Anyone's printer die when you turn the lights on/off?

3D Printing
,
1

Anyone’s printer die when you turn the lights on/off? This sort of thing might be what you need. Tip comes with thanks to @Catalin_Voinescu who shoed me something similar for his Shapeoko electronics.

Originally shared by HACKADAY

We work with some dangerous circuits in the pursuit of cool hacks. High voltage, high current, all demand some respect. We can protect our bodies easily enough, but what about that fancy new laptop or Macbook? [David] is here to help with his isolated…
http://hackaday.com/2014/04/27/galvanic-isolated-ftdi-saves-your-computer

2

Now we just need somewhere we can buy it! Been looking for something like this to connect a 12v referenced circuit back to my computer without having to disconnect it.

3

Just have the pcb’s made and solder it up yourself.

Source files for a much simpler single-sided galvanic isolation FTDI adapter that I designed a few months back:
https://github.com/akhlut/XStepper/tree/master/097u004/Isolated%20USB