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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)
                                                                                                • Data Acquisition (12)
                                                                                                • Embedded Power (44)
                                                                                                • Human Interface (40)
                                                                                                • Other Add-on Boards/Modules (160)
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                                                                                                • Sensors (290)
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                                                                                                  ComparePrice ForQuantity
                                                                                                  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)
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0376
                                                                                                  DFROBOT SEN0376
                                                                                                  3769863

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Alcohol Sensor
                                                                                                  2. Gravity
                                                                                                  3. 0 to 5ppm
                                                                                                  4. Arduino/ESP32/Raspberry Pi Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$250.35
                                                                                                  Total:HK$250.35
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Gravity Alcohol Sensor (0-5ppm)
                                                                                                  -
                                                                                                  -
                                                                                                  FIT0458
                                                                                                  DFROBOT FIT0458
                                                                                                  3879699

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Micro DC Motor
                                                                                                  2. TT Geared
                                                                                                  3. Encoder
                                                                                                  4. 6V
                                                                                                  5. 160RPM
                                                                                                  6. 120:1
                                                                                                  7. L Shape
                                                                                                  8. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$62.81
                                                                                                  Total:HK$62.81
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Micro DC Motor
                                                                                                  -
                                                                                                  -
                                                                                                  5647
                                                                                                  KITRONIK 5647
                                                                                                  3021724

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. MOISTURE SENSOR BOARD
                                                                                                  2. BBC MICRO:BIT BRD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$38.03
                                                                                                  Total:HK$38.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  5645
                                                                                                  KITRONIK 5645
                                                                                                  3021726

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. LED TILE BOARD
                                                                                                  2. BBC MICRO:BIT BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$199.70
                                                                                                  Total:HK$199.70
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0017
                                                                                                  DFROBOT SEN0017
                                                                                                  2946112

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. DIGITAL LINE TRACKING SENSOR
                                                                                                  2. ARDUINO
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$41.59
                                                                                                  Total:HK$41.59
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Digital Line Tracking Sensor 
                                                                                                  -
                                                                                                  -
                                                                                                  GEN4-4DCAPE-50CT-CLB
                                                                                                  4D SYSTEMS GEN4-4DCAPE-50CT-CLB
                                                                                                  2846918

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  4D SYSTEMS
                                                                                                  1. BeagleBone Black Cape
                                                                                                  2. LCD
                                                                                                  3. 5"
                                                                                                  4. Capacitive Touchscreen with Cover Lens Bezel
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$763.36
                                                                                                  10+
                                                                                                  HK$638.18
                                                                                                  Total:HK$763.36
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  5" Capacitive Touch LCD Cape
                                                                                                  -
                                                                                                  -
                                                                                                  5671
                                                                                                  KITRONIK 5671
                                                                                                  3021760

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. MOVE MINI BUGGY BULLDOZER ADD-ON.
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$95.08
                                                                                                  Total:HK$95.08
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  MOVE Mini Buggy Bulldozer Add-On
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0018
                                                                                                  DFROBOT SEN0018
                                                                                                  2946113

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. DIGITAL INFRARED MOTION SENSOR
                                                                                                  2. ARDUINO
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$37.35
                                                                                                  Total:HK$37.35
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Digital Infrared Motion Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  5642
                                                                                                  KITRONIK 5642
                                                                                                  3021717

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. STOP:BIT-TRAFFIC LIGHT
                                                                                                  2. BBC MICRO:BIT
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$40.32
                                                                                                  5+
                                                                                                  HK$39.52
                                                                                                  10+
                                                                                                  HK$38.71
                                                                                                  Total:HK$40.32
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  5658
                                                                                                  KITRONIK 5658
                                                                                                  3255255

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. MOVE MINI BUGGY BUMPER V2 ADD-ON
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$19.02
                                                                                                  Total:HK$19.02
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  MOVE Mini Bumper v2 Add-on
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0151
                                                                                                  DFROBOT SEN0151
                                                                                                  3517909

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ultrasonic Sensor
                                                                                                  2. PULSE
                                                                                                  3. 6 V to 12 V
                                                                                                  4. 16 mA
                                                                                                  5. 200 mm to 10 m
                                                                                                  6. 49.5 kHz
                                                                                                  7. Arduino Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$498.73
                                                                                                  Total:HK$498.73
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PULSE Ultrasonic Sensor
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0258
                                                                                                  DFROBOT DFR0258
                                                                                                  3517877

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. RS232 Shield
                                                                                                  2. MAX3232
                                                                                                  3. For Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$84.03
                                                                                                  Total:HK$84.03
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Analog Devices
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  A000070
                                                                                                  ARDUINO A000070
                                                                                                  3267254

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  ARDUINO
                                                                                                  1. 9-AXES MOTION SHIELD
                                                                                                  2. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$283.07
                                                                                                  Total:HK$283.07
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Bosch
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0128
                                                                                                  DFROBOT SEN0128
                                                                                                  3517899

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Analog Alcohol Sensor
                                                                                                  2. MQ3
                                                                                                  3. Arduino Development Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$58.57
                                                                                                  Total:HK$58.57
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  ANALOGUE Alcohol Sensor (MQ3)
                                                                                                  -
                                                                                                  -
                                                                                                  IMX8MMINI-IARD
                                                                                                  NXP IMX8MMINI-IARD
                                                                                                  3868960

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  NXP
                                                                                                  1. Interposer Board
                                                                                                  2. i.MX8MMINI
                                                                                                  3. ARM Cortex-A53/Cortex-M4
                                                                                                  4. Arduino Shields
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$752.15
                                                                                                  Total:HK$752.15
                                                                                                  Min: 1 / Mult: 1
                                                                                                  NXP
                                                                                                  Interposer Board
                                                                                                  ARM
                                                                                                  Cortex-A53, Cortex-M4
                                                                                                  DRI0009
                                                                                                  DFROBOT DRI0009
                                                                                                  3769946

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Expansion Board
                                                                                                  2. 2x2A DC Motor Shield
                                                                                                  3. Arduino Uno and Arduino Mega Boards
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$117.97
                                                                                                  Total:HK$117.97
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0352
                                                                                                  DFROBOT SEN0352
                                                                                                  3769877

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ultrasonic Sensor
                                                                                                  2. 15 to 900cm
                                                                                                  3. Fermion
                                                                                                  4. URM13
                                                                                                  5. Arduino Leonardo Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$203.68
                                                                                                  5+
                                                                                                  HK$199.61
                                                                                                  10+
                                                                                                  HK$195.54
                                                                                                  Total:HK$203.68
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Fermion URM13 Ultrasonic Sensor (15-900cm)
                                                                                                  -
                                                                                                  -
                                                                                                  TEL0073
                                                                                                  DFROBOT TEL0073
                                                                                                  3879726

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Ready Board
                                                                                                  2. Bluno Bee
                                                                                                  3. Turn Arduino to a Bluetooth 4.0
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$79.83
                                                                                                  Total:HK$79.83
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Serial to a Bluetooth 4.0 Board
                                                                                                  -
                                                                                                  -
                                                                                                  SEN0188
                                                                                                  DFROBOT SEN0188
                                                                                                  3769957

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. Fingerprint Sensor
                                                                                                  2. 5 Fingerprint Projects
                                                                                                  3. Arduino Development Board
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$296.19
                                                                                                  Total:HK$296.19
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Fingerprint Sensor with 5 Fingerprint Projects
                                                                                                  -
                                                                                                  -
                                                                                                  5609
                                                                                                  KITRONIK 5609
                                                                                                  2563850

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  KITRONIK
                                                                                                  1. Prototyping System For Micro:Bit
                                                                                                  2. Includes Edge Connector/Breadboard/Mounting Plate
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$130.23
                                                                                                  5+
                                                                                                  HK$127.63
                                                                                                  10+
                                                                                                  HK$125.03
                                                                                                  Total:HK$130.23
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0076
                                                                                                  DFROBOT DFR0076
                                                                                                  2946105

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. ANALOG FLAME SENSOR
                                                                                                  2. ARDUINO BOARD
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$33.95
                                                                                                  Total:HK$33.95
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  Analog Flame Sensor 
                                                                                                  -
                                                                                                  -
                                                                                                  DFR0430
                                                                                                  DFROBOT DFR0430
                                                                                                  2946077

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  DFROBOT
                                                                                                  1. DC MICRO METAL GEAR MOTOR W/DRIVER
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$76.38
                                                                                                  Total:HK$76.38
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  DC Micro Metal Gear Motor w/Driver
                                                                                                  -
                                                                                                  -
                                                                                                  GEN4-4DCAPE-50T
                                                                                                  4D SYSTEMS GEN4-4DCAPE-50T
                                                                                                  2846917

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  4D SYSTEMS
                                                                                                  1. BeagleBone Black Cape
                                                                                                  2. LCD
                                                                                                  3. 5"
                                                                                                  4. Resistive Touchscreen
                                                                                                  Each
                                                                                                  1+
                                                                                                  HK$644.85
                                                                                                  10+
                                                                                                  HK$544.74
                                                                                                  Total:HK$644.85
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  5" Resistive Touch LCD Cape
                                                                                                  -
                                                                                                  -
                                                                                                  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.