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operating temperature and increase the reliability greatly
There are other two buttons RST (reset) and FLASH
the display starts flashing
comparator LM393 IC
Metal Detector Sensor Module TEC1 12715 operating temperature and increase theMetal Detector Sensor Module A metal detector sensor module is a device that uses electromagnetic induction to detect the presence of metal objects. The module typically consists of a transmitter coil that generates a magnetic field, and a receiver coil that detects changes in the magnetic field caused by the presence of metal. When a metal object comes into proximity of the sensor, it will disrupt the magnetic field and the sensor will generate an
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