October 2013
Beginner
160 pages
6h 58m
English
By Jacob Beningo Illustrations by Julie West
A SIGNAL GENERATOR IS HANDY TO HAVE AROUND THE LAB. It’s perfect for testing inputs on a new hardware design; use it with an oscilloscope to verify the behavior of your circuit. Turn a smartphone into one for less than $15!
1. Wire the adapter.
Unscrew the cap from the 3.5mm plug. Strip ¼" of insulation off the ends of each wire. Solder one wire to the plug’s large tab first — this will be the ground. Then solder each ...