Monday, 18 Dec 2017

    METAL DETECTOR

Description :
This kit can detect each metal around

Specification :
- Input voltage : 9V DC (use only battery!)
- Detection range : 6 cm

The Procedure :
This kit work based on electromagnetic wave transmitter with a little energy . When one of the coil ( coil pin 1 & 2 ) transmitter the wave than the other coil ( pin 3 & 4 ) cant received yet .That transmitter will working or used as reflector until available one metal. That metal will give more signal power that received by coil pin 3&4 and than with using some of transistor can made the indicator LED active.




   
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