I've ordered a IRF3205 75amp MOSFET to try and experiment if I can make a simple DC speed controller, using an arduino I have to give a PWM signal to it.
I posted on another forum asking if I can just use the single MOSFET on its own, and I was told I would need also at least a diode to stop voltage spikes back from the motor.
Does anyone know which component diode I can use for this?
Do DC motors generally have a diode already built in to stop these back spikes?
I'm a bit clueless on all this so very grateful if someone can point me where to start
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