Hi All! Im beginner @ circuit field.
I hav a problem with control dc 24v motor by pic16f877a.
My circuit is as follows.
Pic16f877a output pin drive mosfet bss138 & bss138 drive relay coil.
Pic control dc motors rotate direction according to IR sensor signal.
Im using 24v switching power by TOP245,7812,7805.
It works well without motor, but with motor 12v power dropped to 6v,5v power dropped 2v & IR sensor short & pic16f877a short.
Whats th reason?
Pls help me!
I hav a problem with control dc 24v motor by pic16f877a.
My circuit is as follows.
Pic16f877a output pin drive mosfet bss138 & bss138 drive relay coil.
Pic control dc motors rotate direction according to IR sensor signal.
Im using 24v switching power by TOP245,7812,7805.
It works well without motor, but with motor 12v power dropped to 6v,5v power dropped 2v & IR sensor short & pic16f877a short.
Whats th reason?
Pls help me!