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Topic starter
2019-08-06 3:46 am
The HB wires 12v or 24v and goes to D8 connector. One side is positive and the other negative/gnd. The control signal comes from the microcontroller itself and is controlled by the firmware and it reading the thermister. The Thermisters are connected at the opposite end of from the HB wires. See below for details.
Scott
2019-08-06 10:17 am
Its actually a module that by passes the ramps board power from the power supply and heat bed go to it only the signal wire hooks to the ramps board I just don't know exactly where maybe the thermistor pin out?the module is supposed to eliminate over heating to the ramps board .thanks?
2019-08-07 12:32 am
Here it is
the white wire goes to ramps board
Topic starter
2019-08-07 3:33 am
Ohhhhhh. A Mosfet board for the HB. The white cable goes to the D8 connector on the ramps. One side it + and the other -
Scott
2019-08-07 11:53 am
Thanks i was thinking that but I figured I better ask someone who knows first I have burnt up enough stuff lol ?