A standard ramps 1.4 is 12v only!
You need to make modifications to the board. see [
reprap.org]
Luckly just making the bed work on 24v volts is easy. I recomend a exernal mosfet and a 24v supply
If you run a 24v heated bed on 12v it will barly get warn.
Edited 2 time(s). Last edit at 10/07/2020 06:02AM by Dust.