This circuit monitors the voltage of a 12 V battery. The indicated levels let you know if the battery is charged or not. The circuit of a 1973 publication uses indicator lamps, but it can be changed to use LEDs. The transistors can be the BC548.
This circuit monitors the voltage of a 12 V battery. The indicated levels let you know if the battery is charged or not. The circuit of a 1973 publication uses indicator lamps, but it can be changed to use LEDs. The transistors can be the BC548.
