Circuit Boards & Components
2,194 productsUpdated April 2026
All (2,194)Passive Circuit Components(533)Circuit Prototyping(90)Semiconductors(661)Electronic Filters(17)Decoders & Encoders(46)Printed Circuit Boards(682)Circuit Board Accessories(112)
NONE
10Pcs/Lot Single Row 40Pin 2.54mm Round Female Pin Header
£4.88
NONE
1/5/10Pcs FR4 10x15cm PCB Single Side Copper Clad Plate Laminate Circuit Fiber Material Universal Board for Etching DIY Pcbs Kit
£4.86
RELAND SUN
Micro stepping motor cross platform small mobile digital microscope XY axis table experiment two slide
£9.00
FATO
Free Shipping E6B2CWZ6C Optical Rotary encoder E6B2-CWZ6C 2500 2000 1800 1024 1000 600 500 400 360 200 100 60 40 30 20P/R 5-24V
£40.70
YXSHENG
10Pieces 6.3V 10V 16V 25V 35V 50V 63V SMD Aluminum Electrolytic Capacitor 1uF 2.2uF 3.3uF 4.7uF 10uF 22uF 47uF 100uF 220uF 330uF
£3.60
NONE
500Pcs/Lot 26AWG Tin-Plated Breadboard PCB Solder Cable 5/10cm Jumper Wire Tin Conductor DIY Electronic Wires Connector
£4.58
NONE
100pcs/200pcs 3mm 5mm LED Diode Assorted Kit White Green Red Blue Yellow Orange F3 F5 Leds Light Emitting Diodes electronic kit
£6.86
IGMOPNRQ
10PCS STP80NF70 80NF70 P80NF70 TO-220 80A 70V MOSFET N-Ch 68V 0.0082 Ohm new original
£4.14
HUISHENGYUFA
MINI ESP32-S3-N16R8 Development Board Xiaozhi Ai Voice Dialogue Robot Module With 0.96-Inch Oled Screen Type C
£16.24
MiiBestOD
MangoPi MQ Pro Allwinner D1 V1.4a Board SBC Domestic RISCV Art Mango pi Compared Board
£27.41
NONE
100·pcs New BC547 BC548 TO-92 Low-power transistor In Stock
£3.50
NONE
3590S 1K 100K 10K 200R 20K 2K Precision Potentiometer Wirewound Variable Resistor Multi-Turn 500R 50K 5K
£7.56
Gaqqee
ESP32-S3 CAM Development Board WiFi Bluetooth Module Onboard ESP32-S3 N16R8 OV2640 OV5640 OV3660 Camera Dual TYPE-C Interface
£7.94
NONE
5Pairs 2SA1106 2SC2581 2SA1105 2SC2580 2SA1104 2SC2579 TO-3P A1106 C2581 A1105 C2580 A1104 C2579 Matched power transistors
£8.82
NONE
2Pcs RDC503013A Chip Resistive Position Sensor 10K Projector Copier Rotation Angle Detection Sensor
£6.10
NONE
5V 1-Channel Relay Module KY-019 High Level Trigger SMT 10A Output for MCU Digital Circuit
£4.76
RUIBOZHI
FG-100 DDS Function Signal Generator Frequency Counter 1Hz - 500KHz Signal Source Module Sine+Square+Triangle+Sawtooth Waveform
£30.81
YTDMEN
1/2pcs NANO V3.0 Expansion Board Adapter Prototype Shield and UNO Multi-purpose Expansion Boards for Arduino
£5.17
IGMOPNRQ
10PCS 74HC595 74HC595D SOP 74HC138D 74HC139D 74HC164D 74HC165D 74HC257D 74HC390D SMD
£3.14
NONE
3-in-1 module LoRa, CC1101, NRF24L01, only compatible with M5Stack CARDPUTER ADV
£38.11
IGMOPNRQ
10PCS LM2576T-5.0 LM2576T LM2576 TO-220 Regulator - DC DC Switching Regulator New Original Free Shipping
£4.15
VENTENY
10PCS 12085 42R Passive Buzzer 12MM*8.5MM Resistance in Common Use Mini Piezo Buzzers Kit, for Arduino
£4.45
NONE
ESP32-S3 Development Board with 1.47 Inch LCD Touch Screen 172 320 Resolution SD Card Support AXS5106L JD9853 Driver Chip
£28.67
KAI TUO DA
ATmega128 Mega128 AVR Minimum System Core Board Development Board Module (C3A5) 0.13kg
£21.32