Jan 22, 2015
Simple metal detector circuit diagram with 555 timer and applications. Metal detector is used to check the persons in theatres, shopping malls, hotels etc.
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Simple metal detector circuit diagram with 555 timer and applications. Metal detector is used to check the persons in theatres, shopping malls, hotels etc.
IC 555 Timer
The IC 555 timer is monolithic timing circuit which can produce accurate and highly stable time delays and also the oscillation. This is available as an 8 pn IC that can operate temorature range between -50o to 120oC and the supply voltage ranges from +5V to +18V. The IC 555 timer can operate in two mode either (i) monostable (one shot) multivibrator or (ii) as an stable (free running) multivibrator . the IC 555 timer can use as a monostable multivibrator, astable multivibrator, analog to digital converter, digital to analog converter, waveform generators, analog frequency meter temprature measurement and control, voltage regulator and many other useful operation.