nick703
Advanced Member level 1
hello friends i have a leone relay 12VDC . and i want to operate using micro controller . i used one transistor BC547 and one diode 1N4007 . my signal is coming from micro controller voltage 3 V so when i connect this voltage direct to the bc547 base lag relay does not operate. what is the problem i try all way putting resistor between micro controller pin and base but does not operate relay . what is the problem . my relay is ok.
and also how to using TIP122 to operate relay ???
and also how to using TIP122 to operate relay ???