24v Battery Level Indicator Circuit Diagram. Battery level indicator circuit operation. If you want to make it respond in a bar graph mode simply disconnect the cathodes of all the leds from the existing points and connected them all with the ground or the negative line.
Battery level indicator circuit operation. How to make a 24 volt battery level indicator circuit battery volt level indicator today i will show you how to make a 24 volts battery charging level indic. This resistor controls the brightness of led s.
D1 is the voltage reference zener.
U1 is an lm339 quad comparator that compares the various voltages from the two dividers. In this circuit led s d1 d10 displays the capacity of the battery in either dot mode or display mode. U1 is an lm339 quad comparator that compares the various voltages from the two dividers. This mode is selected by the external switch sw1 which is connected to 9 th pin of ic.
