18650 lithium battery discharging charging board UPS 3A 12VDC
18650 lithium battery discharging charging board UPS 3A 9VDC
DC shunt resistor 100A 75mV analogue current
100A current and voltage meter
3wire DC voltmeter 0.56 inch LED 0V-30VDC reverse polarity protection
LM393 low power voltage comparator IC
LM741CN operational amplifier compensation type op amp IC DIP-8
18650 lithium battery discharging charging board UPS 3A 5VDC
M10 connecting rod sleeve 5mm hole
14 kinds of diode sample packs 200psc
12 kinds of 0.25W 0307 inductor 1uH-1mH color code 120psc
20cm male to male jumper cable wires
Arduino UNO R3 DIP with USB cable
20cm female to male jumper cable wires
Breadboard 830 point solderless MB102 test board
Li-ion 18650 battery 3.7V 2500mAh
L298N motor driver module