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Create continuity tester circuit with buzzer and LED
Posted inMeters & Detectors

Continuity tester circuit with Buzzer and LED

Create continuity tester circuit with buzzer and LED for check solder joint defects, not kill components on PCB, as probe gives tiny current and voltage.
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741 op-amp DIP 8 pins
Posted inBasic Electronics

Learn 741 op-amp circuits basic with example

This is all simple LM741 circuits, it's so useful, LM741's general purpose single OP-AMP. UA741's high performance monolithic OP-AMP on single silicon chip.
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How 741 Op Amp Power supply Circuit work
Posted inPower supply

How 741 Op-Amp Power supply Circuit works

Though very ancient, it still is many useful.
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circuit of guitar Fuzz box Fader control.
Posted inPreamplifiers Amplifiers

3 circuits of guitar fuzz box and fader control

Imagine you are playing an instrument, a guitar. Sometimes you want a strange sound from a normal. Use these ideas of fuzz box circuits and fader controller. You may change…
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light sensor switch circuit using ldr and 741 IC
Posted inControls & Timers

Automatic Night light circuit using LDR and IC-741

lets to see Automatic Op-amp night light circuit using IC-741. It is also very simple. As my feelings It has high sensitivity more than one,high accuracy.
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