OpAmp Voltage Indicator Using LM741 Circuit
Wednesday, 27 January 2010 di 09:02
LM741 Low Voltage Indicator CircuitIn order to obtain a low voltage indication - useful if you would like to stop using a battery before it is drained too deeply - the output from pin 6 is still directed through an LED (and current limiting resitor), but this time it is connected to ground rather than to the input voltage Vin as shown in the amended circuit diagram above.Note that this circuit
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