Voltage Sensitive Oscillator by 2N4891

When Voltage of , Battery desperately will know get with this circuit. It is Voltage Sensitive Oscillator Circuit. By use pillar equipment be UJT 2N4891 equipment numbers are a little. A friend may like. By this circuit will beep alarm generator. When Vin be valuable lower Vz of D1. For the level Turn- OFF that want. The circuit will warn when Voltage of Battery be valuable lower the location keeps example easy accident and is the circuit that are valuable good please sir.

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