tiny power stage for unipolar steppers

by TBM.
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2 layer board of 0.55x0.63 inches (14.02x16.00 mm).
Shared on July 28th, 2014 19:31.

This tiny PCB can be mounted to a 24BYJ48 stepper motor. R1..R4 = base resitors if used with BJT R5..R8 = 0603 footprints for freewheeling diodes (like CD0603) Q1..Q4 = transitor NPN or NMOS

Absolutely untested :)

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