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Circuit Boards & Components

13,565 productsUpdated August 2026
18650 Battery Holder Board for ESP32 ESP-32S, WiFi BT Wireless Dev Board, Compatible with ESP8266 ESP-02 Module

ICGOICIC

18650 Battery Holder Board for ESP32 ESP-32S, WiFi BT Wireless Dev Board, Compatible with ESP8266 ESP-02 Module

£7.14

5-50PCS CD74HC4067 2-6V 16-Channel Analog Digital Multiplexer Breakout Board Module For Arduino

NONE

5-50PCS CD74HC4067 2-6V 16-Channel Analog Digital Multiplexer Breakout Board Module For Arduino

£7.68

1/3/5pcs CP2102 module USB to TTL serial UART STC download cable PL2303 Super Brush line upgrade

HORNAXYS

1/3/5pcs CP2102 module USB to TTL serial UART STC download cable PL2303 Super Brush line upgrade

£3.68

20Values 600/1200PCS SMD LED Diode Sample Book 0402 0603 0805 1206 Red Yellow Blue Green White Light-emitting Lamp Bead 20Values

NONE

20Values 600/1200PCS SMD LED Diode Sample Book 0402 0603 0805 1206 Red Yellow Blue Green White Light-emitting Lamp Bead 20Values

£21.33

16x16 Matrix Dot Red Mini LED Display for ARDUINO Sketch - Compatible with MEGA2560 DUE NANO LEONARDO MICRO

eletechsup

16x16 Matrix Dot Red Mini LED Display for ARDUINO Sketch - Compatible with MEGA2560 DUE NANO LEONARDO MICRO

£8.84

60Values 1/2W 1W 2W 3W 1% Metal film resistors kit dip 0.1R 100R 200R 300R 1K 2K 3K Resistor

NONE

60Values 1/2W 1W 2W 3W 1% Metal film resistors kit dip 0.1R 100R 200R 300R 1K 2K 3K Resistor

£19.13

PM400DSA060 PM400HHA120 PM800HSA120 PM600HSA120 PM400HSA120 PM800HSA060 PM600HSA060 IGBT Module

DAIPAI

PM400DSA060 PM400HHA120 PM800HSA120 PM600HSA120 PM400HSA120 PM800HSA060 PM600HSA060 IGBT Module

£72.13

AC 220V 1/3/8 Channel MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

NONE

AC 220V 1/3/8 Channel MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

£6.38

SEMiX151GB17E4s SEMiX201GD066HDs SEMIX353GD176V1 SEMIX653GB176HDs SEMIX453GB12Vs SEMIX151GAL12E4s SEMiX302GB17E4s IGBT Module

DAIPAI

SEMiX151GB17E4s SEMiX201GD066HDs SEMIX353GD176V1 SEMIX653GB176HDs SEMIX453GB12Vs SEMIX151GAL12E4s SEMiX302GB17E4s IGBT Module

£60.66

1-5set Automatic Irrigation Module DIY Automatic Watering Kit Garden Water Pump Soil Moisture Sensor Relay Module For Arduino

ALLOYSEED

1-5set Automatic Irrigation Module DIY Automatic Watering Kit Garden Water Pump Soil Moisture Sensor Relay Module For Arduino

£15.60

MACHINIST X99 Dual CPU Motherboard LGA2011-3 Support Intel Xeon E5 2629 2649 2666 2673 2678 V3 2696 V3 CPU DDR3 RAM Memory MD8-3

MACHINIST

MACHINIST X99 Dual CPU Motherboard LGA2011-3 Support Intel Xeon E5 2629 2649 2666 2673 2678 V3 2696 V3 CPU DDR3 RAM Memory MD8-3

£184.38

SKM400GAL176DL3 SKM400GAL176D SKM400GAL12V SKM400GAL12E4 SKM400GAL126D SKM400GAL124D SKM400GAR125D SKM400GB176D

DAIPAI

SKM400GAL176DL3 SKM400GAL176D SKM400GAL12V SKM400GAL12E4 SKM400GAL126D SKM400GAL124D SKM400GAR125D SKM400GB176D

£42.85

10pcs/lot on-Off Control 4 Colors Push Button Switch 3 Pin 12V 20A Amps Car Truck Rocker Round Toggle LED Switch

NONE

10pcs/lot on-Off Control 4 Colors Push Button Switch 3 Pin 12V 20A Amps Car Truck Rocker Round Toggle LED Switch

£5.42

JST1.0 SH1.0 4pin cable with socket male head Dupont wire For STEMMA QT For QWIIC

NONE

JST1.0 SH1.0 4pin cable with socket male head Dupont wire For STEMMA QT For QWIIC

£3.34

MUBW30-12E6K MUBW30-12A6K MUBW35-12E6K MUBW35-12A6K Module New Original

DAIPAI

MUBW30-12E6K MUBW30-12A6K MUBW35-12E6K MUBW35-12A6K Module New Original

£30.97

1-10PCS D1 MINI ESP32 WiFi+Bluetooth ESP-32 CP2104 Serial Chip Internet Of Things Development Board

NONE

1-10PCS D1 MINI ESP32 WiFi+Bluetooth ESP-32 CP2104 Serial Chip Internet Of Things Development Board

£6.39

100PCS F3 F5 3MM 5MM 940nm LEDs Infrared Emitter And IR Receiver Diodes To Tube For Arduino PUMUDDSY

PUMUDDSY

100PCS F3 F5 3MM 5MM 940nm LEDs Infrared Emitter And IR Receiver Diodes To Tube For Arduino PUMUDDSY

£4.89

XL6019 DC-DC Booster Module Power supply Module Output Adjustable Super LM2577 XL6009 step-up module output 5V 12V 24V adjustabl

Estardyn

XL6019 DC-DC Booster Module Power supply Module Output Adjustable Super LM2577 XL6009 step-up module output 5V 12V 24V adjustabl

£3.33

10pcs 4 Channels IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter for Arduino

NONE

10pcs 4 Channels IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter for Arduino

£3.64

5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

wishiot

5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

£15.66

ESP 01S ESP8266 Wifi Module Low Power Consumption 8Pin Serial Port to WIFI Module Wireless ESP01S Development Board ESP-01S

udevqal

ESP 01S ESP8266 Wifi Module Low Power Consumption 8Pin Serial Port to WIFI Module Wireless ESP01S Development Board ESP-01S

£6.61

1Meter 10P/12P/14P/16P/20P/26P/34P/40P/50P 1.27mm PITCH Color Flat Ribbon Cable Rainbow DuPont Wire for FC Dupont Connector

NONE

1Meter 10P/12P/14P/16P/20P/26P/34P/40P/50P 1.27mm PITCH Color Flat Ribbon Cable Rainbow DuPont Wire for FC Dupont Connector

£3.22

Bluetooth 5.0 MP3 Decoder Board 2*40W 80W Amplifier Audio Player 12V DIY MP3 Player Car FM Radio Module TF USB Mic Record Call

Gaqqee

Bluetooth 5.0 MP3 Decoder Board 2*40W 80W Amplifier Audio Player 12V DIY MP3 Player Car FM Radio Module TF USB Mic Record Call

£5.68

100%New original 5PCS TNY274GN TNY277GN TNY275GN TNY276GN TNY278GN TNY279GN SOP7 Low power offline switch chip

NONE

100%New original 5PCS TNY274GN TNY277GN TNY275GN TNY276GN TNY278GN TNY279GN SOP7 Low power offline switch chip

£4.88