Tactile Push Button 6x6x5mm (Pack of 4)

Silicone Multimeter probes with protection caps

3mm LED amber light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.7V-2.1V

Recom RE 1W Isolated DC-DC Converter Through Hole, Voltage in 12V (+-5%)DC, Voltage out 5V dc

28MM Metal Alligator Clip Crocodile Electrical Clamp Testing Probe Black and Red with silicone boot 

Single Sided Copper Prototype PCB Kit Universal...

Inline DC-DC Buck Converter Power supply

Test Hooks Clips for testing signals in hard to reach places.