Hi, got this Sanguinololu, and now I am told that if I put a relais between the sanguino and the heatbed MKII, it is not necessary to put a cooler on the heatbed mosfet.
I'm also told that if I don't use the relais, I really have to put a cooler on the mosfet of the heatbed, located on the Sanguino board.
Is this true?
The wiring diagram I got is added to this message
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