Grove - Alcohol Sensor

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The Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Specifications Power requirements: 5 VDC @ ~120 mA (heater on) Detection Gas: Alcohol Concentration: 20-1000ppm Alcohol Interface: 1 TTL compatible input (SEL), 1 TTL compatible output (DAT) Dimension: 40×20×12mm Heater Voltage: 0.9V ± 0.1V AC or DC Heater Current: 120±20mA Application Ideas Alcohol level over-limit alarm Stand-alone/background sensing device Environmental monitoring equipment Documents MQ303A Alcohol Sensor - Response Characteristics High Res PDF Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials Show more