نحوه ساخت نشان دهنده وضعیت باطری

HI Today I Can Show You How To Make A Battery Level Indicator its simple and home made Circuit Diagram- https://4.bp.blogspot.com/-frhdlR-1GvY/We_6CkxLGYI/AAAAAAAAAic/oCbPaAcKF5EFmWUMyf8A9sW3q5w00l4EQCLcBGAs/s1600/20171005_194540.jpg i use to LED-4 PCB-1 1K ohm RESISTOR-4 thank for watching subscribe -https://www.youtube.com/channel/UCnga... How To Make Soldering Gun(home made) https://www.youtube.com/watch?v=owgGd... How To Make A Aquarium LED lighting at home (AC supply) https