LA3ZA Radio and Electronics

Powerpole voltage and current monitoring is quite nice to have. One can buy commercial meters, but due to the availability of nice and che...

0.33 uF X2 capacitors which measured only 0.097, 0.1, and 0.118 uF. Many devices now use a capacitor power supply thus saving the space...

If you are like me, you appreciate electronic gadgets with dials and displays. So when I discovered this "USB detector",  I thou...