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Computer Circuit Boards
11,754 productsUpdated August 2026
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ZAVE
ESP8266 5V WiFi relay module Things smart home remote control switch phone APP ESP-01 relay module
£3.27

NONE
10pcs Slide Type DIP Switch Module 1 2 3 4 5 6 7 8 PIN 2.54mm Position Way DIP Blue Pitch Blue Snap Switch Dial Switch
£4.78

NONE
10PCS Chipset TDA2822M TDA2822 DIP-8
£5.64

DAIPAI
MG600Q1US51 MG600Q1US41 IGBT MODULE
£41.18

ICGOICIC
SuperMini Dev Board for ESP32-S3, WiFi BT 5.0 Ultra-Small Size Module, Compatible with ESP32-S3FH4R2 Arduino Micropython
£4.99

ATUOTIN
1/2PCS AS5048A/AS5600 Magnetic Encoder PWM/SPI Interface High Precision 14 Bit Brushless Motor AS5048A Encoder SPI/I2C
£7.17

NONE
5 Kit KY-040 Rotary Encoder Module 360° Brick Sensor Board with 15x17mm Knob Button for Arduino Development
£6.55

AOKIN
5pcs High Efficiency Output 3.3V/5V/9V/12V 5A Mini560 Step Down DC-DC Converter Voltage Regulator Buck Stabilized Power Supply
£4.53

Eiechip
1/5/10PCS 1S 3.7V 3A Li-ion BMS PCM Battery Protection Board Pcm for 18650 Li-ion Lithium Battery Protection Board BMS Module
£4.70

DAIPAI
SKIIP23NAB126V10 SKIIP24NAB126V10 SKIIP 23NAB126V10 SKIIP 24NAB126V10 IGBT Module New Original
£50.84

NONE
MAX7219 LED Dot Matrix Display Module 8 Digital Tube Display Control Board For Arduino Microcontroller Serial Driver 7 Segment
£5.63

DAIPAI
QM300HA-24 QM300HA-H QM300HA-2H QM200HH-H QM300HH-H QM400HA1-H QM400HA1-2H QM400HA-H QM400HA-2H
£24.51

YDLZMSJIAH
Universal IR Infrared Remote Controller IR Extender Remote Learning 21 Keyboard Wireless TV Box MP3 Player Controller MCU 51
£2.77

UICPAL
ESP32-DevKitC Development Board with 2.4G Extend Antenna Port USB Micro Type-C 38PIN ESP32 CP2102 ESP32-32U Wifi Module
£5.78

NONE
20pcs RM9003 RM9003B SOT89 TO-252 SOP-8 Single-Channel High-voltage linear constant-current LED driver chip Wholesale
£4.46

NONE
Electronic modelling servo SG92R 9g small servo module 2.5kg/4.8V motor 90 degree-180 degree
£3.57

NONE
10PCS AOD4184 D4184 TO-252 AOD4185 D4185 AOD2606 D2606 AOD2810 D2810 AOD2908 D2908 AOD2910 D2910 AOD2922 D2922 AOD4132 D4132
£3.41

MOGAI
(10-50piece)100% New AD8605ARTZ AD8605 AD8605ART AD8605AR B3A SOT23-5 Chipset
£3.50

ICGOICIC
AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module Buck Regulator Step Down Precision Power Module 220V to 5V Converter
£5.46

CazenOveyi
5pcs/lot SN74HC4066N SN74HC4066 74HC4066N 74HC4066
£3.78

MACHINIST
MACHINIST X99 RS9 Motherboard LGA 2011-3 Set Optional Kits E5 2690 V4 CPU Processor With 32G DDR4 ECC RAM Memory Dual M-ATX
£84.77

NONE
Type-C to RS485 Conversion Module for Android Serial OTG USB Type C to 485 Converter Modules 600W Protection 3PIN
£7.00

NONE
5PCS/LOT SN74LS75N 74LS75 HD74LS75P DIP-16 4-bit latch In Stock NEW Original IC
£3.58

NONE
TDA7293/TDA7294 Mono Channel Amplifier Board Circuit PCB Bare Board
£2.93