1. Blog>
  2. Polarity Tester

Polarity Tester

by: Mar 25,2021 1514 Views 0 Comments Posted in PCB Design Tutorial

In this video we take a circuit from the March 2021 ARRL Magazine (Ham radio) designed by John Burnley. It is a polarity tester for your wall wart power supplies. Are center negative or center positive? You can plug the output into this board and know instantly. 

Join us
Wanna be a dedicated PCBWay writer? We definately look forward to having you with us.
  • Comments(0)
Upload photo
You can only upload 5 files in total. Each file cannot exceed 2MB. Supports JPG, JPEG, GIF, PNG, BMP
0 / 10000
    Back to top