Poilee 1N4004 Diode 1A 400V DO-41 Rectifier Diode Electronic Silicon Diodes (Pack of 50pcs)

3 Pieces TIP120 Power Darlington Transistors

Chanzon 1W Zener Diode Assorted Kit (30 Values x 10pc 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V) Assortment Set

TUOFENG 24 awg Solid Wire-Solid Wire Kit-6 different colored 30 Feet spools 24 gauge Jumper Wire -Hook up Wire Kit

MCIGICM 200pcs 2n3904 npn Transistor, 2n3904 Bipolar (BJT) Transistors NPN 40V 200mA 300MHz 625mW TO-92-3

MCIGICM 50pcs ic dip lm358 Operational Amplifier Dual op-amp (Pack of 50pcs)

Bridgold 10pcs TIP102 102 Bipolar (BJT) Single NPN Darlington Transistor, 100 V/8 A,3-Pin TO-220

Adafruit Mini Push-Pull Solenoid - 5V [ADA2776]

Battery Equalizer 48V - Battery Voltage Balancer, Max 4 × 12V Battery Bank Extend Battery Life 1 Year and More support Gel Flood AGM Lead Acid Lithium Battery HA02 (Battery Equalizer 48V)