Connectors & Prototyping

51 products

Everything you need to build and test circuits — solderless breadboards, dupont jumper wires, male and female pin headers, prototype PCB boards, alligator clip leads and more.

Three ShillehTek Lilypad CR2032 coin cell battery holders with purple circuit boards

LilyPad CR2032 Coin Cell Battery Holder 3-Pack

$6.49
10K slide potentiometer module with yellow slider and pin headers for Arduino and ESP32 projects showing front and back sides

10K Slide Potentiometer Module for Arduino & ESP32

$5.99
LCR-T4 transistor tester with large LCD screen, blue test socket, and battery clip for electronics testing

LCR-T4 Transistor Tester, Resistor, Capacitor & ESR Meter

$14.99
WS2812 16-LED RGB ring with black PCB for customizable color lighting projects

WS2812 16-LED RGB Ring

$8.99
Blue USB 2.0 A to B male printer cable with transparent connectors and visible wiring

USB 2.0 A-B Male Printer Cable 0.5m (1.64ft)

$2.99
Close up of HC-05 6-Pin Bluetooth Module with exposed circuitry

HC-05 6-Pin Bluetooth Module, No Button

$10.49