Thursday 26 March 2015

protection - Protecting microcontroller from inductive loads


I'm working on a project where I will be controlling a variety of loads (relay, solenoid, motor) from an Arduino and I'd like to make sure I build in enough protection for the microcontroller and other components. I've see a variety of solutions using transistors and adding decoupling capacitors, flyback diodes, and zener diodes. I'm wondering how one would choose between one or a combination of these options?


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