Hi everybody, I’m new here.

I’m designing my personal 3D printer, a core XY with 500x300x250 mm volume and I choose the duet 2 wi-fi as mobo. Also I did by my own the wiring diagram and, since I’m not an expert, I would really like your opinion (I’m quite scared by electricity, I hope not to burn anything). If you don’t get something by the attached drawings, feel free to ask.

From what I understood studying the duet I thought so the scheme: one PSU 600/700 W to feed the hot bed, AC, and in between there’s an SSR to let it be turned on/off by the duet. Another PSU, 150W, will feed the duet itself, and all electronics connected to it (hot end, stepper motor, end stops ...). As far I understood the duet, there are two circuit on the board: one is for the wi-fi, chip, 5V and the second one that feed everything that is connected to it (driver, hot end ...), 24V. So my idea was to continuously feeding the 5V using the 600W PSU so the wifi is always on and using another SSR that turn on/off the 24V by opening/ closing the circuit with the second PSU. In this way if I connect to the board trough wifi, it can be always “on” (with low consumption), I can turn on the remaining components (and if needed the heated bed).

Hope everything is fine, if you have advice/ correction I’m here

Thank in advance !