I have a few Raspberry Pis running services in my network. Some of them have to be physically connected to other things, like 3D printers,

3D Printing, Electronics, Arduino, Raspberry Pi, Computers and anything DIY, basically
I have a few Raspberry Pis running services in my network. Some of them have to be physically connected to other things, like 3D printers,
I got a box of old and defective VTX’s. Let’s see if anything is salvageable. VTX #1 – Tramp HV This is a relatively new
Plug-in-Power?! I asked myself the same question. I know of Phantom power for microphones and I know of microphones that require no external power, but