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Look at its datasheet!watzmann said:what about the L293D ?
do you know any disadvantages for this IC?
All my circuit designs work fine so I have never simulated them.watzmann said:do you use an electronic simulation software for testing your schematics , audioguru ?
Maybe your motor draws much more than 3A. Measure its resistance. If it is 4 ohms then its max current from 12V is 3A.watzmann said:i tested the new H-Bridge but it doen't work well , i noticed that one of the TIP 41 is going too hot .....and the motor work even without any signal.....i'll post you my schematic and tell me why that had happened?
Your LED is connected to the supply voltage. It doesn't affect the transistors.watzmann said:i fixed the transitstors with the right way i'm sure.......but i'm afriad that happned becuse of the LED i added