Motor Shield Standard
A4988, DRV8825, what else can you put on a blank template that fits on the Pololu type interface. The board is 15.2x20.3mm, 0.6x0.8"  pololu.com The A4988 chip is 5x5mm with about 1mm height The DRV8825 chip is 6.9x10.2mm DRV8825 datasheet
Tha author would like to have a 3.3V voltage adapter soldered in so that the pins can be used to power a 3.3V DC motor.
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