MAX7219 Digital Tube Module

20Way Single Row Pin Header. Gold pins, Cuttable to shorter length (lose 1 pin every cut). 2.54mm pitch (0.1")

Toggle Switch ON-OFF 3Pin 2 Position Latching MTS-102 AC 125V/6A 250V/3A Power Button Switch 

Dia: 0.57cm 

Power :AC 125V 6A, AC...

Dupont Cable 300mm Male to Female, 40 Way

40-Way Square Gold straight Pin Header 2.54mm for PCB. Compatible with DUPONT system. Header is 40 way with easy break slots between the pins...

20MM EC11 Potentiometer Encoder Switch

Tower Pro MG90S Metal Gear Servo

5mm LED Green light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.7V-2.1V