Make a Seven Segment Display Voltmeter

This tutorial shows you the circuit connection of Make a Seven Segment Display Voltmeter. before going to make the circuit refer the circuit diagram first and then try to build it. if you have any problem then write down in the comment section.

1. Red And Green leds
2. 7805 ic
3. pic16f676
4. bc557 and bc548 transistor
5. 10mfd, 100mfd, condensar
6. 22k 22k variable resistor
7. 120 k resistor
8. 10 k resistor
9. 100 e resistor