I'm trying to design/build my first hexapod, and am having some issues powering the servos. There are three SG90 servos per leg, so 18 in total. I am using two 18650 20A batteries (LG HG2). They are connected to a buck converter with a large heatsink that is set to lower the voltage to 6V. That the…

Buck converter drops voltage when powering hexapod servos

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