Ham Radio
CQ CQ CQ de N9QQB… Say what? “CQ” is the ham radio signal meaning “I’m looking for someone to talk to.” and N9QQB is my FCC-assigned callsign, for ham radio. So it means, hey, let’s talk. My wife has her…
Category Electronics
Electronics: circuits, making, commercial and home-brew
USB3 Extension Box
A USB 3 extension box for PCs with all the USB jacks hidden away on the back.
Power Supplies 1
Inexpensive Chinese Smart Power Supply Modules I’ve been playing with small power supply modules you can get from BangGood.com and other Asian retailers. What I’ve found is that you can build a bench power supply that’s lightyears more advanced than…