Tuesday, November 19, 2013
Simple Metal Detector Using 555 Timer
This metal detector electronic project schematic circuit is designed using a simple 555 timer integrated circuit . As you can see in the schematic circuit , this metal detector electronic project requires few external electronic parts . This circuit detects metal and also magnets.
Metal Detector with 555 Timer Circuit Daigram
When a magnet is brought close to the 10mH choke, the output frequency changes. This metal detector project can be powered from a power supply that can provide an output DC voltage between 6 an 12 volt . If a metal is closer to the L1 coil , will produce a change of output oscillation frequency, that will generate a sound in the 8 ohms speaker
Metal Detector with 555 Timer Circuit Daigram
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what is the function the 555 timer in this circuit
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