SwitchBoardthis board just holds a little circuit to switch off when the input from the battery is low, and a voltage regulator delivering 9V the Z-Diode D2 determines the voltage where Transistor Q1 does not have enough power to pull the relais |
SwitchBoardthis board just holds a little circuit to switch off when the input from the battery is low, and a voltage regulator delivering 9V the Z-Diode D2 determines the voltage where Transistor Q1 does not have enough power to pull the relais |
