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Computer Circuit Boards

11,754 productsUpdated August 2026
ESP8266 5V WiFi relay module Things smart home remote control switch phone APP ESP-01 relay module

ZAVE

ESP8266 5V WiFi relay module Things smart home remote control switch phone APP ESP-01 relay module

£3.27

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

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

10PCS Chipset TDA2822M TDA2822 DIP-8

NONE

10PCS Chipset TDA2822M TDA2822 DIP-8

£5.64

MG600Q1US51 MG600Q1US41 IGBT MODULE

DAIPAI

MG600Q1US51 MG600Q1US41 IGBT MODULE

£41.18

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

ICGOICIC

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

£4.99

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

ATUOTIN

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

£7.17

5 Kit KY-040 Rotary Encoder Module 360° Brick Sensor Board with 15x17mm Knob Button for Arduino Development

NONE

5 Kit KY-040 Rotary Encoder Module 360° Brick Sensor Board with 15x17mm Knob Button for Arduino Development

£6.55

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

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

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

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

SKIIP23NAB126V10 SKIIP24NAB126V10 SKIIP 23NAB126V10 SKIIP 24NAB126V10 IGBT Module New Original

DAIPAI

SKIIP23NAB126V10 SKIIP24NAB126V10 SKIIP 23NAB126V10 SKIIP 24NAB126V10 IGBT Module New Original

£50.84

MAX7219 LED Dot Matrix Display Module 8 Digital Tube Display Control Board For Arduino Microcontroller Serial Driver 7 Segment

NONE

MAX7219 LED Dot Matrix Display Module 8 Digital Tube Display Control Board For Arduino Microcontroller Serial Driver 7 Segment

£5.63

QM300HA-24 QM300HA-H QM300HA-2H QM200HH-H QM300HH-H QM400HA1-H QM400HA1-2H QM400HA-H QM400HA-2H

DAIPAI

QM300HA-24 QM300HA-H QM300HA-2H QM200HH-H QM300HH-H QM400HA1-H QM400HA1-2H QM400HA-H QM400HA-2H

£24.51

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

YDLZMSJIAH

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

£2.77

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

UICPAL

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

£5.78

20pcs RM9003 RM9003B SOT89 TO-252 SOP-8 Single-Channel High-voltage linear constant-current LED driver chip Wholesale

NONE

20pcs RM9003 RM9003B SOT89 TO-252 SOP-8 Single-Channel High-voltage linear constant-current LED driver chip Wholesale

£4.46

Electronic modelling servo SG92R 9g small servo module 2.5kg/4.8V motor 90 degree-180 degree

NONE

Electronic modelling servo SG92R 9g small servo module 2.5kg/4.8V motor 90 degree-180 degree

£3.57

10PCS AOD4184 D4184 TO-252 AOD4185 D4185 AOD2606 D2606 AOD2810 D2810 AOD2908 D2908 AOD2910 D2910 AOD2922 D2922 AOD4132 D4132

NONE

10PCS AOD4184 D4184 TO-252 AOD4185 D4185 AOD2606 D2606 AOD2810 D2810 AOD2908 D2908 AOD2910 D2910 AOD2922 D2922 AOD4132 D4132

£3.41

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

MOGAI

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

£3.50

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

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

5pcs/lot SN74HC4066N SN74HC4066 74HC4066N 74HC4066

CazenOveyi

5pcs/lot SN74HC4066N SN74HC4066 74HC4066N 74HC4066

£3.78

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

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

Type-C to RS485 Conversion Module for Android Serial OTG USB Type C to 485 Converter Modules 600W Protection 3PIN

NONE

Type-C to RS485 Conversion Module for Android Serial OTG USB Type C to 485 Converter Modules 600W Protection 3PIN

£7.00

5PCS/LOT SN74LS75N 74LS75 HD74LS75P DIP-16 4-bit latch In Stock NEW Original IC

NONE

5PCS/LOT SN74LS75N 74LS75 HD74LS75P DIP-16 4-bit latch In Stock NEW Original IC

£3.58

TDA7293/TDA7294 Mono Channel Amplifier Board Circuit PCB Bare Board

NONE

TDA7293/TDA7294 Mono Channel Amplifier Board Circuit PCB Bare Board

£2.93