18650 Li-ion Lithium Battery Capacity Tester Cable These potentiometers are also commonly

These potentiometers are also commonly called as a rotary potentiometer or just POT in short

you will need a decoder IC to play the files on the speakers

This is a 25-Watt Soldering Iron that is best for students and hobbyists

A buffer is simply a unity-gain amplifier

2×Female-Female Jumper Wires

18650 Li-ion Lithium Battery Capacity Tester Cable These potentiometers are also commonlyThis is a lithium ion battery capacity tester board to measure the capacity of the fully charged battery connected at its inputs. This board comes with a 4 digit seven segment display to display the capacity of the battery, which can also display the current supplied by the battery as well as the battery voltage. It also comprises 1W resistors to discharge the battery at the constant current output. 18650 Li ion Lithium Battery Capacity Tester