VERY basic setup:
Arduino uno V3 powered by USB
Arduino GND and V3.3 connected to A4988 GND and VDD (bottom right pins)
Nothing else connected
As soon as I connect the A4988, the 3.3 voltage drops to around 1V over the VDD and GND pins, instead of the 3.3V the arduino is trying to supply…
Is this A4988 broken?