Metal Detector - Variable Frequency Using 555 : 6 Steps (with Pictures) - Instructables
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Simple Metal Detector Circuit Using 555 Timer
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Business Marketing - Metal Detector using 555 IC Video Lecture : https://www.youtube.com/watch?v=o6tFlajJBQM The figure shows the circuit diagram of metal detector. The 555 IC timer here acts as a square wave generator
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Metal Detector Circuit
Basics of metal detectors
NE555 as metal detector? : r/AskElectronics
Metal Detector Using 555 Timer with Proteus Simulation - DEV Community
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Metal detector circuit using IC 555 - Gadgetronicx | Metal detector, Circuit diagram, Detector
DIY Simple Sensitive IB Metal Detector with 2xNE555 IC - Hackster.io
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Metal Detector Using 555 Timer with Proteus Simulation - DEV Community
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Metal detector circuit using IC 555 and Buzzer - Gadgetronicx | Metal detector, Detector, Electronic circuit design
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