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Metal detector circuit using IC 555 and Buzzer - Gadgetronicx
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Metal Detector Circuit
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How to make a Proximity Detector Circuit Using IC 555
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Simple Metal Detector Circuit Using 555 Timer
Simple Metal Detector Circuit Diagram using 555 Timer IC
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Metal detector circuit using IC 555 and Buzzer - Gadgetronicx
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Simple Sensitive Metal Detector Circuit – Electronics Projects Circuits
