Purpose: Rotate a 4 wire bipolar stepper motor (32.6 ohm) & activate a solenoid (13.3 Ohm) at different times. Using H-bridge ( LN298 4A) for the stepper & N-Mostfet (tp120) for solenoid. INPUT I have burnt multiple 1A H-bridges when using the same power source for all (19V 4.74A). So, I use a 1…

Solenoid & Stepper Motor power problem. PROTECT ME!

system November 29, 2012, 11:03am 7

5V and 3.3V on the Arduino board isn't supposed to be connected together.

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