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Circuit Boards & Components

13,565 productsUpdated August 2026
Bluetooth Power Amplifier Board 2.1 Channels 50W*2+100W Audio Module with Hi-Fi High/Low Bass Dual Control Kt ZK-TB21

NONE

Bluetooth Power Amplifier Board 2.1 Channels 50W*2+100W Audio Module with Hi-Fi High/Low Bass Dual Control Kt ZK-TB21

£12.33

Expansion Board ForESP32 C3 SuperMini IO Port Extraction Control Sensor

TENSTAR ROBOT

Expansion Board ForESP32 C3 SuperMini IO Port Extraction Control Sensor

£9.05

1X 2X 3X 4X 18650 Battery Holder 18650 Power Bank Cases Storage Box Case 1/2/3/4 Slot 18650 Parallel Battery Box 3.7V

REALPOY

1X 2X 3X 4X 18650 Battery Holder 18650 Power Bank Cases Storage Box Case 1/2/3/4 Slot 18650 Parallel Battery Box 3.7V

£2.56

100pcs 0805 5% 1/8W SMD chip resistor 0R ~ 10M 0 1R 10R 100R 220R 330R 470R 1K 4.7K 10K 47K 100K 1M 10M 0 1 10 100 330 470 ohm

IBUW

100pcs 0805 5% 1/8W SMD chip resistor 0R ~ 10M 0 1R 10R 100R 220R 330R 470R 1K 4.7K 10K 47K 100K 1M 10M 0 1 10 100 330 470 ohm

£2.82

200W BC1 high Power rheostat rotary variable wire wound Disc shape Adjustable resistor Sliding 1R 2R 3R 5R 10R 15R 20R 25R 30R 4

Hongqichip

200W BC1 high Power rheostat rotary variable wire wound Disc shape Adjustable resistor Sliding 1R 2R 3R 5R 10R 15R 20R 25R 30R 4

£21.75

5A Constant Voltage And Constant Current Step-down Power Supply Module With Voltage And Current Power Display LED-driven Lithium

NONE

5A Constant Voltage And Constant Current Step-down Power Supply Module With Voltage And Current Power Display LED-driven Lithium

£7.67

1-5/PCS New Original TPS65988CERJTR TPS65988CE TPS65988 QFN chip In Stock

NONE

1-5/PCS New Original TPS65988CERJTR TPS65988CE TPS65988 QFN chip In Stock

£4.68

24V 6S 40A 18650 Li-Ion Lithium Battery Poretect Board Solar Lighting BMS PCB with Balance for Ebike Scooter

EGBO

24V 6S 40A 18650 Li-Ion Lithium Battery Poretect Board Solar Lighting BMS PCB with Balance for Ebike Scooter

£4.25

5-50PCS TPS62841DGRR T841R TPS62842DGRR T842R TPS65100PWPR TPS65100 TPS65101PWPR TPS65101 TPS62841 TPS62842 TPS65100 TPS65101 IC

NONE

5-50PCS TPS62841DGRR T841R TPS62842DGRR T842R TPS65100PWPR TPS65100 TPS65101PWPR TPS65101 TPS62841 TPS62842 TPS65100 TPS65101 IC

£9.51

4 channel 5v relay shield module, Four way relay control board relay expansion board for arduino UNO R3 mega 2560

NONE

4 channel 5v relay shield module, Four way relay control board relay expansion board for arduino UNO R3 mega 2560

£4.93

USB Linker Programmer Brushless ESC BLHeli BL32 BLS Parameter Setter Suite Open Source Speed Control Programming RC FPV Drone

NONE

USB Linker Programmer Brushless ESC BLHeli BL32 BLS Parameter Setter Suite Open Source Speed Control Programming RC FPV Drone

£8.87

50pcs 5 values * 10pcs LDR Photo Light Sensitive Resistor Photoelectric Photoresistor Kit for 5516 5528 5537 5539 5549

VENTENY

50pcs 5 values * 10pcs LDR Photo Light Sensitive Resistor Photoelectric Photoresistor Kit for 5516 5528 5537 5539 5549

£3.68

MACHINIST B9 X99 motherboard optional bundle Intel LGA2011-3 Xeon E5 2630 V4 CPU support ECC and desktop memory NVMe M.2 SATA

MACHINIST

MACHINIST B9 X99 motherboard optional bundle Intel LGA2011-3 Xeon E5 2630 V4 CPU support ECC and desktop memory NVMe M.2 SATA

£131.97

1PCS 2.54mm 2x10P/16P/20P/25P/32P/40 Pin Female Stacking Header Connector Dual Row 2x20P PC104 For Raspberry Pi 2

HJXRHGAL

1PCS 2.54mm 2x10P/16P/20P/25P/32P/40 Pin Female Stacking Header Connector Dual Row 2x20P PC104 For Raspberry Pi 2

£3.04

24MM 25KHZ Ultrasonic transmitte open sensor TCT25-24T(Transmit) 24mm 25khz ultrasonic transmitter TCT25

NONE

24MM 25KHZ Ultrasonic transmitte open sensor TCT25-24T(Transmit) 24mm 25khz ultrasonic transmitter TCT25

£4.34

1pcs SD card module microcontroller Micro SD card module CH376S SPI interface mini TF card reader

TEJIATE

1pcs SD card module microcontroller Micro SD card module CH376S SPI interface mini TF card reader

£4.57

10PCS/LOT DF40HC(3.0)-100DS-0.4V(51) HRS 100P 0.4mm 100% Original Brand New.DF40HC(3.0)-100DS-0.4V

NONE

10PCS/LOT DF40HC(3.0)-100DS-0.4V(51) HRS 100P 0.4mm 100% Original Brand New.DF40HC(3.0)-100DS-0.4V

£12.41

(1-200pieces/lot) 100%New UP9505P UP9505PQGW UP9505S UP9505S UP9505U UP9505UQGW QFN-52 Free shipping

MUERYGAR

(1-200pieces/lot) 100%New UP9505P UP9505PQGW UP9505S UP9505S UP9505U UP9505UQGW QFN-52 Free shipping

£5.99

Servo Semi metal Gear for Model Helicopter Boat For Arduino ESP32 Toy Airplane Fixed Wing Helicopter Models90 180 360 SG90 MG90S

NONE

Servo Semi metal Gear for Model Helicopter Boat For Arduino ESP32 Toy Airplane Fixed Wing Helicopter Models90 180 360 SG90 MG90S

£6.02

Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module For Li-Po Polymer Power Bank

NONE

Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module For Li-Po Polymer Power Bank

£2.78

2.54mm-4P 2.00mm Test needle Spring needle 4 foot support STC STM32 STM8 1chip machine burning write microcontroller programming

EQV

2.54mm-4P 2.00mm Test needle Spring needle 4 foot support STC STM32 STM8 1chip machine burning write microcontroller programming

£3.87

100Pcs IRFZ44N IRFZ44 Power Transistor MOSFET N-Channel 49A Amp 55V

NONE

100Pcs IRFZ44N IRFZ44 Power Transistor MOSFET N-Channel 49A Amp 55V

£34.66

RF-Nano for Arduino Nano V3.0, Type C Nano Board ATmega328P CH340 Integrate NRF24L01+2.4G Wireless Compatible With RF24 Library

emakefun

RF-Nano for Arduino Nano V3.0, Type C Nano Board ATmega328P CH340 Integrate NRF24L01+2.4G Wireless Compatible With RF24 Library

£8.34

10PCS 4 6 8 10 11.0592 12 13.56 16 18.432 20 22.1184 24 25 27 30 32 MHZ HC-49S DIP Quartz Crystal Resonator Passive Oscillator

Axtaike

10PCS 4 6 8 10 11.0592 12 13.56 16 18.432 20 22.1184 24 25 27 30 32 MHZ HC-49S DIP Quartz Crystal Resonator Passive Oscillator

£3.45