Introduction: 12 V Battery Level Indicator
This circuit is a very simple one to make its cheap and does not require any IC s. this circuit can be used for checking the charge level status of the battery
Step 1: Parts List
2 x Red LED
2 x Yellow LED
2 x Green LED
1 x 680 ohm Resister
1 x 220 ohm Resister
1 x150 ohm Resister
1 x 56 ohm Resister
1 x 10 ohm Resister
1 x Zener diode (9 v) cZD 5
1 x Zener diode (10 v) ZD 4
1 x Zener diode (11 v) ZD 3
1 x Zener diode (12 v) ZD 2
1 x Zener diode (13 v) ZD 1
Step 2:
Assemble the circuit according to the circuit diagram
Step 3: Conclusion
i used in in my 12v inverter to monitor my inverter battery. Hope u like my circuit, and become purposeful for you :)