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This simple digital voltmeter circuit diagram is a saving, easy to use Because it is smaller than a typical circuit, I believe that after I presented this circuit. You will…
Let's use two simple Analog VU meter schematics. If we take the amplifier connected to the speakers. It is very dangerous.If your amplifier has a higher power than the limits…
Here is temperature sensor diode 1N4148 silicon type and 741- op amp, so easy. The Output to voltmeter. You will learn why diode becomes temperature sensor.