manumj4
Newbie level 3
HI
Im using at89c51 mcu for controlling relay, that circuit is working fine but when i am reconnect the power supply port pins are giving pulse output instead of constant output(5v). if i give hardware reset again it is working fine...
Im using at89c51 mcu for controlling relay, that circuit is working fine but when i am reconnect the power supply port pins are giving pulse output instead of constant output(5v). if i give hardware reset again it is working fine...