3Pcs MQ3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection Gas Sensor Module Geekcreit for Arduino
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Condition
New
Location
International
Bob Shop ID
615098433
Description: ? Size: approx. 32 x 22 x 27mm Main chip: LM393, ZYMQ-3 gas detector Working Voltage: DC 5V With signal output 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. ? Package Included:
3 x?Gas Sensor Module
3 x?Gas Sensor Module