MQ-3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection for Arduino 51

SKU: 180818

1.62 1.62 Piece 1.62 USD

¥ 11.00

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Product Details:

  • Alcohol Detector 

  • Condition: New 

  • Size: approx. 32 x 22 x 27mm 

  • Main chip: LM393, ZYMQ-3 gas detector 

  • Working Voltage: DC 5V 

  • With signal ouput instructions 

  • Two-way signal output (TTL level output and analog output) 

  • TTL output effectively signal for low level(when the output low level signal lights, can directly connected microcomputer) 

  • Analog output 0 ~ 5v voltage, the higher the concentration, the higher the voltage 

  • Has a high sensitivity and good selectivity 

  • Has long service life and reliable stability 

  • Rapid response recovery features 

  • For motor vehicles and other prohibition drunken drivers homework personnel on-site testing, also used in other places of ethanol vapor detection 

  • Color is shown as pictures