hello,
iam powering a digital speedometer using 7805 for 5v output.now from this output i want another supply of 3v for other ckt.i know i can use lm317,but i don't want to use another chip in that place.
so is it possible with zener diodes to get 3v output?
like this http://members.shaw.ca/roma/29-4.gif
iam powering a digital speedometer using 7805 for 5v output.now from this output i want another supply of 3v for other ckt.i know i can use lm317,but i don't want to use another chip in that place.
so is it possible with zener diodes to get 3v output?
like this http://members.shaw.ca/roma/29-4.gif