Single 1K Volume Pot

1.25V - 37V Output @ 3A DC-DC 3-40V Input Step Down Adjustable Power Supply 3A peek power, 2A constant current.

Double Sided Copper Prototype PCB Circuit...

ENCLOSURE, BOX, CONTAINER WITH SCREWS EXTERNAL DIMENSIONS 125x68x43, WALL THICKNESS = 2.7mm, BLACK,...

3386P-1-103 1/2W PC Pins Through Hole Trimmer Potentiometer with easy turn knob (pack of 2). 

A "PS2" type joystick mounted on a pcb with pin headers. Make your own joystick controller with an Arduino. 

DC4.5V-30V 14.22mm LED Digital Voltmeter Tester

Micro USB Cable 1m for NodeMcu Ideal for Micro:Bit Programming