principal voltages part1

principal voltages part2

principal voltages part3

principal voltages part4

Uln2003 test

Operate_from_second_time

Modify_bat_volt_reading

Make_zener_tester

Test And Detect The Defect Mosfet

principal voltages part2

principal voltages part3

principal voltages part4

Test And Detect The Defect Mosfet