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Seeed 101020044 Grove - Alcohol Sensor

Seeed Studio
Standard range
Order Code:

75-0951

Brand: Seeed Studio MPN: 101020044
Qty Unit Price (Ex VAT)
1+ £6.90
5+ £6.64
Price per unit {{ IncVat ? 'Inc' : 'Ex' }} VAT
4 in stock, despatched same dayAdditional quantity lead time 5 months

Seeed 101020044 Grove - Alcohol Sensor is a complete alcohol sensor module, based on MQ303A. It has good sensitivity and fast response to alcohol.

Grove - Alcohol Sensor is a complete alcohol sensor module for Arduino or Seeeduino. It is built with a MQ303A semiconductor alcohol sensor which has good sensitivity and a fast response to alcohol, making it suitable for a 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.

  • Highly sensitive: Making it possible to measure when the alcohol concentration is relatively small.
  • Outstanding measurement speed: Fast response and resumes quickly after alcohol exposure.
  • Grove unified socket: The sensor ensures "Plug and Play" and could be versatile for various applications.


    • Dimensions: 40mm x20mm x12mm
    • Weight: G.W 11g
    • Battery: Excluded
    • 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
    Type Grove-Alcohol Sensor

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