Water-filled meat detector circuit
Source: InternetPublisher:石榴姐 Keywords: Detector LED power supply Updated: 2021/03/27
Circuit working principle: The water-filled meat detector is composed of a stainless steel detection probe, an integrated block
ZH-3, a buzzer, and light-emitting diodes LED 1 to LED 3. ZH-3 foot
camera photometric chip, the pin functions are: pin 1 is the input bias terminal; pin 2 is the detection
input terminal; pins 3, 6, 8, 9, and 13 are empty pins; pin 4 is connected to an external sampling resistor ; Pin 5 is
the voltage dividing adjustment terminal; pin 7 is the power ground; pins 10, Il, and 12 are the drive output terminals; pin 14 is connected to the positive pole
of the power supply .
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