In the shack, [Helge] powers it with a bench power supply of his own design to provide ... and regulated to 250 volts DC. To round out his spy rig, [Helge] also designed a tiny Morse key, which ...
The DPS5005 is a programmable power supply that takes power from a big AC to DC wall wart and turns it into a tiny bench-top power supply. You can pick one of these things up for about thirty ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback