Grove - alcohol sensor - MQ3 - analog - semiconductor

Index: SEE-15176 EAN: 5903351246484

Gas sensor MQ3, used to detect alcohol vapors and measure their concentration. The module works with a voltage of 5 V and communicates through an analogue interface.

Grove - alcohol sensor - MQ3 - analog - semiconductor
€15.62
€12.70 tax excl.
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Manufacturer: Seeedstudio
Compatibility: Arduino Raspberry Pi

Product description: Grove - alcohol sensor - MQ3 - semiconductor.

Module with sensor MQ3 for detecting alcohol vapour and its concentration. The sensor iscompatible withArduinoand Raspberry,thanks toGrove connector it is possible toconnectdirectlytoGrove-Pi+ andGrove BaseShield.The sensorcommunicates through the analog interface, so in orderto use it with Raspberry it is required to use Grove-Pi+ overlay orADC.There is a potentiometer on the board to adjust the sensitivity.

Arduino compatible product

The manufacturer providesa user guideshowing its connection and programming.

Alcohol sensor connection - MQ3

The PCB is equipped witha 7-pin bracketso that the replacement of the sensor itself is non-invasive and can be simply removed. The board has a built-in Grove socket that allows direct connection of the sensor to Grove-Pi+or GroveBase Shieldcovers.Due to the analogue communication interface, the sensor cannot be connected to the Raspberry without using the Grove-Pi+ overlayorthe ADC.

Czujnik alkoholu MQ3

Pin Description
GND The weight of the system.
VCC The supply voltage is 5 V.
NC Not connected.
SIG Sensor output signal.

Alcohol sensor specification - MQ3

  • Power supply voltage: 5 V
  • Potentiometer adjustment range: 1 MΩto 8 MΩ
  • Measurement range: 0.05 mg/L to 10mg/L
  • Type: solid-state
  • Dimensions: 40 mm x20 mm x 25 mm
  • Weight: 7,8 g

The kit includes:

  • Alcohol sensor - MQ3
  • Grove cable

Sensor - type air quality

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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