??? 01/29/05 01:55 Read: times |
#86079 - I have studied some example.. Responding to: ???'s previous message |
I would like to use a 89C51 (Maximum 15mA output from I/O pin) to drive a bipolar stepping motor which needs 190mA. so i need design the H-bridge circuit as follow:
Please help to varify is there any problem and precaustion about the circuit?Thanks Information: Pins to be used in 89C51 P1.0 to P1.3 ![]() |