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                                                                                                  1. Home
                                                                                                  2. Single Board Computers, Maker & Education
                                                                                                  3. Add-on Boards / Modules

                                                                                                  Add-on Boards / Modules:

                                                                                                  736 Products Found
                                                                                                  Find a huge range of Add-on Boards / Modules at e絡盟 Hong Kong, including Sensors, Other Add-on Boards/Modules, Screens & Displays, Carriers & Expansion, Embedded Power. We stock a wide range of Add-on Boards / Modules from the world's top manufacturers including: Dfrobot, Seeed Studio, Kitronik, Arduino & Infineon
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                                                                                                  Add-on Boards / Modules

                                                                                                  (736)

                                                                                                • Audio / Visual (20)
                                                                                                • Carriers & Expansion (48)
                                                                                                • Communications (29)
                                                                                                • Data Acquisition (11)
                                                                                                • Embedded Power (44)
                                                                                                • Human Interface (40)
                                                                                                • Other Add-on Boards/Modules (157)
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                                                                                                • Sensors (292)
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                                                                                                  ComparePrice ForQuantity
                                                                                                  103020132
                                                                                                  SEEED STUDIO 103020132
                                                                                                  4007766

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. SPDT Relay Board
                                                                                                  2. SRD-05VDC-SL-C
                                                                                                  3. Arduino and Raspberry Pi Development Boards
                                                                                                  4. w/Grove Cable
                                                                                                  5. Case
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$64.510
                                                                                                  5+
                                                                                                  HK$63.220
                                                                                                  Total:HK$64.51
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Ningbo Songle Relay
                                                                                                  2-Channel SPDT Relay Module
                                                                                                  -
                                                                                                  -
                                                                                                  113060006
                                                                                                  SEEED STUDIO 113060006
                                                                                                  4007879

                                                                                                  Data Sheet

                                                                                                  SEEED STUDIO
                                                                                                  1. Radio Module
                                                                                                  2. LoRa
                                                                                                  3. with Cable
                                                                                                  4. 868MHz
                                                                                                  5. 5V / 3.3V
                                                                                                  6. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$168.890
                                                                                                  Total:HK$168.89
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  868MHz LoRa Radio Module
                                                                                                  -
                                                                                                  -
                                                                                                  KIT0139
                                                                                                  DFROBOT KIT0139
                                                                                                  3974116

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. LIQUID LEVEL TRANS
                                                                                                  2. ARDUINO UNO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$372.560
                                                                                                  Total:HK$372.56
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Throw-in Type Liquid Level Transmitter
                                                                                                  -
                                                                                                  -
                                                                                                  104020111
                                                                                                  SEEED STUDIO 104020111
                                                                                                  4007789

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. LCD Board
                                                                                                  2. Cable
                                                                                                  3. 16x2
                                                                                                  4. White on Blue
                                                                                                  5. Arduino
                                                                                                  6. Raspberry Pi & ArduPy Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$53.030
                                                                                                  Total:HK$53.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  16 x 2 White on Blue LCD Board
                                                                                                  -
                                                                                                  -
                                                                                                  113060007
                                                                                                  SEEED STUDIO 113060007
                                                                                                  4007880

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Radio Module
                                                                                                  2. LoRa
                                                                                                  3. with Cable
                                                                                                  4. 433MHz
                                                                                                  5. 5V / 3.3V
                                                                                                  6. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$120.890
                                                                                                  Total:HK$120.89
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Seeed Studio
                                                                                                  433MHz LoRa Radio Module
                                                                                                  -
                                                                                                  -
                                                                                                  101020553
                                                                                                  SEEED STUDIO 101020553
                                                                                                  4007709

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Round Force Sensor Board
                                                                                                  2. Arduino and Raspberry Pi Development Boards
                                                                                                  3. w/Cable
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$123.030
                                                                                                  Total:HK$123.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Round Force Sensor Module
                                                                                                  -
                                                                                                  -
                                                                                                  5674
                                                                                                  KITRONIK 5674
                                                                                                  3922040

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. AIR QUALITY/ENV BOARD
                                                                                                  2. 5 V
                                                                                                  3. MICRO:BIT
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$391.320
                                                                                                  5+
                                                                                                  HK$383.500
                                                                                                  10+
                                                                                                  HK$375.670
                                                                                                  Total:HK$391.32
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  104020168
                                                                                                  SEEED STUDIO 104020168
                                                                                                  4007799

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. LED Ring Board
                                                                                                  2. RGB
                                                                                                  3. 3.3V / 5V
                                                                                                  4. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$97.600
                                                                                                  Total:HK$97.60
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  24x RGB LED Ring Board
                                                                                                  -
                                                                                                  -
                                                                                                  104020171
                                                                                                  SEEED STUDIO 104020171
                                                                                                  4007802

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. LED Ring Board
                                                                                                  2. RGB
                                                                                                  3. 3.3V / 5V
                                                                                                  4. 16 LED
                                                                                                  5. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$88.060
                                                                                                  Total:HK$88.06
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  16x RGB LED Ring Board
                                                                                                  -
                                                                                                  -
                                                                                                  101020634
                                                                                                  SEEED STUDIO 101020634
                                                                                                  3932083

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. SENSOR BOARD
                                                                                                  2. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$489.360
                                                                                                  Total:HK$489.36
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Sensirion
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  103030009
                                                                                                  SEEED STUDIO 103030009
                                                                                                  3932097

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. RELAY SHIELD
                                                                                                  2. 4.75 TO 5.25 V
                                                                                                  3. 250MA
                                                                                                  4. 1HZ
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$179.460
                                                                                                  Total:HK$179.46
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  110061162
                                                                                                  SEEED STUDIO 110061162
                                                                                                  4007846

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. BEGINNER KIT
                                                                                                  2. ARDUINO MODULES/UNO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$187.540
                                                                                                  Total:HK$187.54
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Seeed Studio
                                                                                                  Beginner Kit
                                                                                                  AVR
                                                                                                  ATmega AVR
                                                                                                  103030215
                                                                                                  SEEED STUDIO 103030215
                                                                                                  3932093

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. CAN-BUS SHIELD BOARD
                                                                                                  2. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$220.250
                                                                                                  Total:HK$220.25
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Microchip
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  105020010
                                                                                                  SEEED STUDIO 105020010
                                                                                                  4007824

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Motor Driver Board
                                                                                                  2. Mini
                                                                                                  3. I2C
                                                                                                  4. 2.75V to 6.8V
                                                                                                  5. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$101.840
                                                                                                  Total:HK$101.84
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Mini I2C Motor Driver Board
                                                                                                  -
                                                                                                  -
                                                                                                  110010024
                                                                                                  SEEED STUDIO 110010024
                                                                                                  4060372

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Acrylic Case
                                                                                                  2. Seeed Studio XIAO Expansion Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$27.170
                                                                                                  Total:HK$27.17
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Acrylic Case
                                                                                                  -
                                                                                                  -
                                                                                                  104020169
                                                                                                  SEEED STUDIO 104020169
                                                                                                  4007800

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. LED Board
                                                                                                  2. RGB
                                                                                                  3. 5V / 3.3V
                                                                                                  4. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$37.350
                                                                                                  5+
                                                                                                  HK$36.610
                                                                                                  Total:HK$37.35
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  RGB LED Board
                                                                                                  -
                                                                                                  -
                                                                                                  104020173
                                                                                                  SEEED STUDIO 104020173
                                                                                                  4007805

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. LED Ring Board
                                                                                                  2. Ultimate RGB
                                                                                                  3. 3.3V / 5V
                                                                                                  4. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$181.330
                                                                                                  Total:HK$181.33
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  42x Ultimate RGB LED Ring Board
                                                                                                  -
                                                                                                  -
                                                                                                  103100124
                                                                                                  SEEED STUDIO 103100124
                                                                                                  3932136

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. GROVE SHIELD BOARD
                                                                                                  2. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$24.620
                                                                                                  Total:HK$24.62
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Adafruit
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  DRI0050
                                                                                                  DFROBOT DRI0050
                                                                                                  3974141

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Light & Motor Driver
                                                                                                  2. 5 V to 24 V
                                                                                                  3. DC Motor Speed Control and Light Adjustment
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$75.540
                                                                                                  Total:HK$75.54
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  103020193
                                                                                                  SEEED STUDIO 103020193
                                                                                                  4007772

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Serial Communication Board
                                                                                                  2. RS485
                                                                                                  3. 3.3V / 5V
                                                                                                  4. 10Mbit/s
                                                                                                  5. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$38.870
                                                                                                  Total:HK$38.87
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  RS-485 Serial Communication Board
                                                                                                  -
                                                                                                  -
                                                                                                  101020089
                                                                                                  SEEED STUDIO 101020089
                                                                                                  4007692

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Sunlight Sensor
                                                                                                  2. With Cable
                                                                                                  3. 3 V to 5.5 V
                                                                                                  4. Arduino & Raspberry Pi Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$101.740
                                                                                                  Total:HK$101.74
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Sunlight Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  103020011
                                                                                                  SEEED STUDIO 103020011
                                                                                                  4007759

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Adapter Module
                                                                                                  2. with Cable
                                                                                                  3. RJ45
                                                                                                  4. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$50.360
                                                                                                  Total:HK$50.36
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  RJ45 Adapter Module
                                                                                                  -
                                                                                                  -
                                                                                                  104030003
                                                                                                  SEEED STUDIO 104030003
                                                                                                  4007811

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. ARDUINO BOARD
                                                                                                  2. 4-DIGIT DISPLAY MODULE
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$53.030
                                                                                                  Total:HK$53.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  4-Digit Display Module
                                                                                                  -
                                                                                                  -
                                                                                                  101020055
                                                                                                  SEEED STUDIO 101020055
                                                                                                  4007684

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. Gas Sensor Module
                                                                                                  2. Combustible Gas
                                                                                                  3. Smoke
                                                                                                  4. 4.9V to 5.1V
                                                                                                  5. Arduino/Raspberry Pi /ArduPy Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$64.510
                                                                                                  Total:HK$64.51
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Gas Sensor Module
                                                                                                  -
                                                                                                  -
                                                                                                  102010469
                                                                                                  SEEED STUDIO 102010469
                                                                                                  4060352

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  SEEED STUDIO
                                                                                                  1. XIAO BOARD
                                                                                                  2. ARM
                                                                                                  3. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$129.710
                                                                                                  Total:HK$129.71
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Nordic Semiconductor
                                                                                                  -
                                                                                                  ARM
                                                                                                  Cortex-M4F
                                                                                                  ComparePrice ForQuantity
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                                                                                                  An Avnet Company© 2026 Premier Farnell Limited. All Rights Reserved.
                                                                                                  e絡盟 is a trading name of eluomeng Limited.
                                                                                                  Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.