Hey, I want to build a self-balancing robot. I use a Arduino Nano clone to control my Nema 17 stepper motors. For the drivers I use the a4988. I have a 12 V voltage source, but I only use 7 V for the VIN-Pin (through a voltage divider). Now the problem I have is that my Nanos only survive for a day…

I want to build a balancing bot, but my Nanos burn out

Paul_KD7HB October 6, 2021, 7:21pm 4

My irrigation system uses a Nano to control a SSR for the tank fill. It has run for 3 years with 10-11 volts.
Paul

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