Alcohol sensors detect the alcohol gases in the air.
Grove – Alcohol Sensor is a complete alcohol sensor module for Arduino or Seeeduino. It is built with MQ303A semiconductor alcohol sensor. It has good sensitivity and fast response to alcohol. It is suitable for making Breathalyzer. This Grove implements all the necessary circuitry for MQ303A like power conditioning and heater power supply. This sensor outputs a voltage inversely proportional to the alcohol concentration in air.
Technical Details
| Dimensions | 40mm x 20mm x 12mm |
| Weight | G.W 9g |
| Battery | Exclude |
| 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) |
| Heater Voltage | 0.9V ± 0.1V AC or DC |
| Heater Current | 120 ± 20mA |
Part List
| Grove – Alcohol Sensor | 1 |
| Grove Cable | 1 |
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