
Grove - Alcohol Sensor
Sold outA complete alcohol sensor module for Arduino.
Overview
It is built with MQ303A semiconductor alcohol sensor. It has good sensitivity and fast response to alcohol, making it suitable for building a breathalyzer. This Grove module implements all the necessary circuitry for the MQ303A, such as power conditioning and heater power supply. This sensor outputs a voltage inversely proportional to the alcohol concentration in air.
Note: The sensor value only reflects the approximated trend of gas concentration within a permissible error range, it DOES NOT represent the exact gas concentration. The detection of certain components in the air usually requires a more precise and costly instrument, which cannot be done with a single gas sensor. If your project is aimed at obtaining the gas concentration at a very precise level, then we do not recommend this gas sensor.
Features
- Input Voltage: 5V
- Working Current: 120mA
- Detectable concentration range: 20-1000 ppm
- Grove Compatible connector
- Fast response and resumes quickly after alcohol exposure
- Long life
- Compact form factor