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Computer Circuit Boards

11,754 productsUpdated August 2026
ESPWROOM32 Expansion Board Compatible with ESP-32S WiFi Bluetooth Development Board NodeMCU-32S Lua 38Pin GPIO Expansion Board

REALPOY

ESPWROOM32 Expansion Board Compatible with ESP-32S WiFi Bluetooth Development Board NodeMCU-32S Lua 38Pin GPIO Expansion Board

£3.98

CH341a Programmer adapter+SOIC8 adapter+ SOP8 clip with cable+1.8V adapter EEPROM Flash BIOS USB electronics

NONE

CH341a Programmer adapter+SOIC8 adapter+ SOP8 clip with cable+1.8V adapter EEPROM Flash BIOS USB electronics

£5.17

Anti Reverse Connection Power Protection Board For Battery Charging Ideal Diode Module Prevent Reverse Polarity 4A Common Ground

NONE

Anti Reverse Connection Power Protection Board For Battery Charging Ideal Diode Module Prevent Reverse Polarity 4A Common Ground

£5.16

5PCS/Lot Original HFD4-3 HFD4-5 HFD4-12 HFD4-24 HFD4-3V 5V 12V 24V 8-pin Signal Relay

NONE

5PCS/Lot Original HFD4-3 HFD4-5 HFD4-12 HFD4-24 HFD4-3V 5V 12V 24V 8-pin Signal Relay

£7.08

1S 3.2V/3.6V Mini LiFePO4 Battery Charging Board 2.4A Fast Charger Module Trickle/Constant Current Charging

diymore

1S 3.2V/3.6V Mini LiFePO4 Battery Charging Board 2.4A Fast Charger Module Trickle/Constant Current Charging

£4.39

XS8 XS9 XS10 XS12 Aviation connector push-pull circular quick connector 2/3/4/5/6 pin Gold plated contact Male and Female plug

NONE

XS8 XS9 XS10 XS12 Aviation connector push-pull circular quick connector 2/3/4/5/6 pin Gold plated contact Male and Female plug

£5.97

74HC595 3.3-5V Single-chip microcomputer serial-to-parallel pin IO expansion module output port expansion 3 to 24pin LED control

NONE

74HC595 3.3-5V Single-chip microcomputer serial-to-parallel pin IO expansion module output port expansion 3 to 24pin LED control

£3.84

ASROCK Z690 PHANTOM GAMING-ITX/TB4 LGA 1700 DDR5 motherboard Z690 CPU i9-12900K i7-12700K i5-12400 i7-13700K i9-14900K Mini-ITX

XINRENCHONG

ASROCK Z690 PHANTOM GAMING-ITX/TB4 LGA 1700 DDR5 motherboard Z690 CPU i9-12900K i7-12700K i5-12400 i7-13700K i9-14900K Mini-ITX

£257.56

2MBI300NT-120-01 2MBI300N-120 2MBI300P-120-03 2MBI300S-120 2MBI300U4E-120 2MBI300P-120-01 2MBI300PD-140 2MBI300U2E-120

DAIPAI

2MBI300NT-120-01 2MBI300N-120 2MBI300P-120-03 2MBI300S-120 2MBI300U4E-120 2MBI300P-120-01 2MBI300PD-140 2MBI300U2E-120

£47.89

Original 2PCS/ MS5N100 5N100 5A 1000V TO-3PF

NONE

Original 2PCS/ MS5N100 5N100 5A 1000V TO-3PF

£5.41

20Pcs passive buzzer 16R 16 Euro 42R diameter 12mm * height 8.5mm 12085 3V-12V

NONE

20Pcs passive buzzer 16R 16 Euro 42R diameter 12mm * height 8.5mm 12085 3V-12V

£3.81

ASUS Z77-A Desktop Motherboard Z77 Socket LGA 1155 i3 i5 i7 DDR3 32G ATX UEFI BIOS motherboard

Asus

ASUS Z77-A Desktop Motherboard Z77 Socket LGA 1155 i3 i5 i7 DDR3 32G ATX UEFI BIOS motherboard

£46.10

38KHz IR Infrared Transmitter Module Digital 5V 3.3V Dual Voltage With Shell PH2.0 Interface for Arduino ESP32 Raspberry Pi MICR

NullLab

38KHz IR Infrared Transmitter Module Digital 5V 3.3V Dual Voltage With Shell PH2.0 Interface for Arduino ESP32 Raspberry Pi MICR

£7.55

(5-10piece)100% New TPS53219ARGTR TPS53219A 53219A 3219A QFN-16 Chipset

CBBYO

(5-10piece)100% New TPS53219ARGTR TPS53219A 53219A 3219A QFN-16 Chipset

£15.79

462D VU Meter Driver Board Adjust VU Meter Driver Panel Backlight High Frequency

NONE

462D VU Meter Driver Board Adjust VU Meter Driver Panel Backlight High Frequency

£16.47

1PCS/Lot Original L4780TA LM4780TA LM4780 ZIP-27 Two-channel audio amplifier IC Chip

NONE

1PCS/Lot Original L4780TA LM4780TA LM4780 ZIP-27 Two-channel audio amplifier IC Chip

£17.17

10PCS 5W Zener Diode DO-15 10V 1N5347B 11V 1N5348B 12V 1N5349B 13V 1N5350B 14V 1N5351B 15V 1N5352B 16V 1N5353B 17V 1N5354B

NONE

10PCS 5W Zener Diode DO-15 10V 1N5347B 11V 1N5348B 12V 1N5349B 13V 1N5350B 14V 1N5351B 15V 1N5352B 16V 1N5353B 17V 1N5354B

£3.04

Micro Mini Small Medium Micro2 Trucks Motorcycles Fuse 2A 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A 50A Blade Fuse

NONE

Micro Mini Small Medium Micro2 Trucks Motorcycles Fuse 2A 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A 50A Blade Fuse

£2.73

DC5V-30V Battery Level Indicator - 2-8S for Ternary Lithium, LiFePO4 & Lead-Acid Batteries

ICGOICIC

DC5V-30V Battery Level Indicator - 2-8S for Ternary Lithium, LiFePO4 & Lead-Acid Batteries

£5.57

2S 20A 7.4V 8.4V 18650 Lithium Battery Charger Protection Board PCB BMS Board Standard / Balanced 20A Current Module For DIY

NONE

2S 20A 7.4V 8.4V 18650 Lithium Battery Charger Protection Board PCB BMS Board Standard / Balanced 20A Current Module For DIY

£2.95

ESPWROOM32 Development Board TYPE-C / MICRO USB CP2102 WiFi+Bluetooth Dual Core ESP32-DevKitC-32 ESP-32S Expansion Board 38PINS

REALPOY

ESPWROOM32 Development Board TYPE-C / MICRO USB CP2102 WiFi+Bluetooth Dual Core ESP32-DevKitC-32 ESP-32S Expansion Board 38PINS

£3.70

10PCS SN74HC74N DIP 74HC74 DIP-14 74HC74N SN74HC73N SN74HC86N SN74HC109N SN74HC125N DIP 74HC86 74HC86N 74HC125 NEW

GOHJMY

10PCS SN74HC74N DIP 74HC74 DIP-14 74HC74N SN74HC73N SN74HC86N SN74HC109N SN74HC125N DIP 74HC86 74HC86N 74HC125 NEW

£3.37

Raspberry Pi 3 Model B+ Camera Module 1080p 720p Mini Camera 5MP Webcam Video Camera compatible for Raspberry Pi 2 Model B

Si Tai&SH

Raspberry Pi 3 Model B+ Camera Module 1080p 720p Mini Camera 5MP Webcam Video Camera compatible for Raspberry Pi 2 Model B

£11.37

8V-40V to 12V 3A 36W Stabilizer Transformer DC DC Converter Regulator Step Up Down Boost Buck Module Power Supply for LED Car TV

UNO R3

8V-40V to 12V 3A 36W Stabilizer Transformer DC DC Converter Regulator Step Up Down Boost Buck Module Power Supply for LED Car TV

£8.89