Water-Infused Meat Detecting Alarm (2)

Published:2011/6/29 6:54:00 Author:Sue | Keyword: Water-Infused, Meat, Detecting, Alarm | From:SeekIC

IC, R4, C4 and the detected meat will constitute an oscillator and the oscillate frequency is related to the water amount in the water. When the meat is detected, stick the electrodes into the detected meat. Push S1, and the oscillator will begin to work. VL begins to twinkling. BL makes an alarm sound. The more water the meat has, the smaller the resistance value will be and the higher the oscillate frequency will be. VL will have a larger twinkle frequency and BL will have a higher sound tone.



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