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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 (28)
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                                                                                                • Other Add-on Boards/Modules (160)
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                                                                                                • Sensors (290)
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                                                                                                  ComparePrice ForQuantity
                                                                                                  DFR0521
                                                                                                  DFROBOT DFR0521
                                                                                                  2946133

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Interface Board
                                                                                                  2. micro:bit Expansion Board for Boson Kit
                                                                                                  3. Gravity Series Compatible
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$69.45
                                                                                                  Total:HK$69.45
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Micro:bit Expansion Board
                                                                                                  -
                                                                                                  -
                                                                                                  5623
                                                                                                  KITRONIK 5623
                                                                                                  3021757

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. Development Board
                                                                                                  2. Servo:Lite Board for micro:bit
                                                                                                  3. 3 x Servo Motors
                                                                                                  4. 5 x RGB ZIP LEDs
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$111.69
                                                                                                  Total:HK$111.69
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  B-LCDAD-HDMI1
                                                                                                  STMICROELECTRONICS B-LCDAD-HDMI1
                                                                                                  2664592

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  STMICROELECTRONICS
                                                                                                  1. Adapter Board
                                                                                                  2. DSI To HDMI
                                                                                                  3. STM32 Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$245.59
                                                                                                  Total:HK$245.59
                                                                                                  Min: 1 / Mult: 1
                                                                                                  STMicroelectronics
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  GEN4-4DCAPE-70T
                                                                                                  4D SYSTEMS GEN4-4DCAPE-70T
                                                                                                  2846919

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  4D SYSTEMS
                                                                                                  1. BeagleBone Black Cape
                                                                                                  2. LCD
                                                                                                  3. 7"
                                                                                                  4. Resistive Touchscreen
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$848.23
                                                                                                  Total:HK$848.23
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  7" Resistive Touch LCD Cape
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0548
                                                                                                  DFROBOT DFR0548
                                                                                                  3517969

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Driver Expansion Board
                                                                                                  2. HR8833
                                                                                                  3. For BBC micro:bit Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$84.03
                                                                                                  Total:HK$84.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  DFRobot
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  MBT0034
                                                                                                  DFROBOT MBT0034
                                                                                                  3676979

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Development Board
                                                                                                  2. ML8511/BME280/CCS811
                                                                                                  3. BBC micro:bit Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$807.57
                                                                                                  Total:HK$807.57
                                                                                                  Min: 1 / Mult: 1
                                                                                                  DFRobot
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0228
                                                                                                  DFROBOT SEN0228
                                                                                                  3517928

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ambient Light Sensor
                                                                                                  2. I2C VEML7700
                                                                                                  3. For Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$84.03
                                                                                                  Total:HK$84.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  I2C VEML7700 Ambient Light Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0219
                                                                                                  DFROBOT SEN0219
                                                                                                  3517880

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Infrared CO2 Sensor
                                                                                                  2. 0 to 5000 ppm
                                                                                                  3. Arduino Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$492.22
                                                                                                  5+
                                                                                                  HK$482.38
                                                                                                  10+
                                                                                                  HK$472.54
                                                                                                  Total:HK$492.22
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  ANALOGUE Infrared CO2 Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0231
                                                                                                  DFROBOT SEN0231
                                                                                                  3517926

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Formaldehyde Sensor
                                                                                                  2. (HCHO)
                                                                                                  3. For Arduino & Raspberry Pi Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$420.08
                                                                                                  Total:HK$420.08
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Formaldehyde (HCHO) Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  MBT0005
                                                                                                  DFROBOT MBT0005
                                                                                                  3517964

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Micro IO-BOX Expansion Board
                                                                                                  2. For BBC micro:bit Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$110.33
                                                                                                  Total:HK$110.33
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0536
                                                                                                  DFROBOT DFR0536
                                                                                                  3517956

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. GamePad
                                                                                                  2. For BBC micro:bit Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$168.89
                                                                                                  Total:HK$168.89
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0287
                                                                                                  DFROBOT DFR0287
                                                                                                  3517914

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. LCD Shield
                                                                                                  2. Gravity
                                                                                                  3. LCD12864
                                                                                                  4. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$165.49
                                                                                                  Total:HK$165.49
                                                                                                  Min: 1 / Mult: 1
                                                                                                  DFRobot
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0002
                                                                                                  DFROBOT SEN0002
                                                                                                  3517889

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ultrasonic Sensor
                                                                                                  2. RS485
                                                                                                  3. URM04
                                                                                                  4. For Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$238.05
                                                                                                  Total:HK$238.05
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  URM04 Ultrasonic Sensor (RS485)
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0162
                                                                                                  DFROBOT SEN0162
                                                                                                  3517918

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Gravity Analogue UV Sensor V2
                                                                                                  2. for Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$50.08
                                                                                                  Total:HK$50.08
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Gravity Analogue UV Sensor V2
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0165
                                                                                                  DFROBOT SEN0165
                                                                                                  3517911

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Analog ORP Sensor Meter
                                                                                                  2. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$755.29
                                                                                                  Total:HK$755.29
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  ANALOGUE ORP Sensor Meter
                                                                                                  -
                                                                                                  -
                                                                                                  TEL0118
                                                                                                  DFROBOT TEL0118
                                                                                                  3517938

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. IoT Module
                                                                                                  2. Gravity
                                                                                                  3. UART OBLOQ
                                                                                                  4. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$92.51
                                                                                                  Total:HK$92.51
                                                                                                  Min: 1 / Mult: 1
                                                                                                  DFRobot
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0130
                                                                                                  DFROBOT SEN0130
                                                                                                  3517898

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Analog LPG Gas Sensor
                                                                                                  2. MQ5
                                                                                                  3. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$58.57
                                                                                                  Total:HK$58.57
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  ANALOGUE LPG Gas Sensor (MQ5)
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0423
                                                                                                  DFROBOT DFR0423
                                                                                                  3517920

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Digital Self-Locking Switch
                                                                                                  2. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$16.14
                                                                                                  Total:HK$16.14
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Digital Self-Locking Switch
                                                                                                  -
                                                                                                  -
                                                                                                  SHIELDBTS70041EPPTOBO1
                                                                                                  INFINEON SHIELDBTS70041EPPTOBO1
                                                                                                  3282282

                                                                                                  RoHS

                                                                                                  INFINEON
                                                                                                  1. ARDUINO SHIELD
                                                                                                  2. HIGH-SIDE SW
                                                                                                  3. 12V
                                                                                                  4. 15A
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$310.43
                                                                                                  Total:HK$310.43
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Infineon
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0239
                                                                                                  DFROBOT SEN0239
                                                                                                  3517933

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Digital Adjustable Infrared Proximity Sensor
                                                                                                  2. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$109.49
                                                                                                  Total:HK$109.49
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Digital Adjustable Infrared Proximity Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0065
                                                                                                  DFROBOT DFR0065
                                                                                                  3879643

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Breakout Board
                                                                                                  2. FTDI
                                                                                                  3. Basic
                                                                                                  4. Fermion
                                                                                                  5. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$109.49
                                                                                                  Total:HK$109.49
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  FTDI Basic Breakout Board
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0164
                                                                                                  DFROBOT SEN0164
                                                                                                  3769909

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Infrared Sensor Switch
                                                                                                  2. Gravity Analogue
                                                                                                  3. Adjustable
                                                                                                  4. 50cm
                                                                                                  5. Arduino Development Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$57.71
                                                                                                  Total:HK$57.71
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Gravity Analogue Adjustable Infrared Sensor Switch (50cm)
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0403
                                                                                                  DFROBOT SEN0403
                                                                                                  3879713

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Tristimulus Colour Sensor
                                                                                                  2. Fermion
                                                                                                  3. TCS3430
                                                                                                  4. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$126.46
                                                                                                  Total:HK$126.46
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Tristimulus Color Sensor Board
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0321
                                                                                                  DFROBOT SEN0321
                                                                                                  3769917

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ozone Sensor Module
                                                                                                  2. 4-Pin I2C Cable
                                                                                                  3. M3 Nylon Post/Screws
                                                                                                  4. Arduino UNO
                                                                                                  5. ESP32
                                                                                                  6. Raspberry Pi Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$415.84
                                                                                                  Total:HK$415.84
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Gravity IIC Ozone Sensor (0-10ppm)
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0745
                                                                                                  DFROBOT DFR0745
                                                                                                  3769878

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Expansion Board
                                                                                                  2. Voice Recorder Module
                                                                                                  3. DFRduino UNO R3 Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$58.57
                                                                                                  Total:HK$58.57
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  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.