StoreIndustryEducation
    International Singapore Malaysia Thailand Vietnam
AUD - Australian Dollar EUR - Euro IDR - Indonesian Rupiah MYR - Malaysian Ringgit PHP - Philippine Piso GBP - Pound Sterling SGD - Singapore Dollar THB - Thai Baht USD - US Dollar VND - Vietnam Dong
Products

Raspberry Pi

micro:bit

Arduino Ecosystem

Artificial Intelligence

IoT & Wireless

Motor & Motor Driver

3D Modeling

Industry

Development Tools

Robotics & Electronics

Junior Makers

Sensors

Miscellaneous

Shop By

Featured

Popular

Promotions
Alcohol Sensor
Alcohol Sensor

Alcohol Sensor

Availability: Discontinued

Buy locally from a partner

Country:
Description
The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer. Comes with cables.

Specifications:
  • Power supply needs: 5V
  • Interface type: Analog
  • Pin Definition: 1-Output 2-GND 3-VCC
  • High sensitivity to alcohol and small sensitivity to Benzine
  • Fast response time
  • Stable and long life
  • Simple drive circuit
  • Size: 40x20mm
Pin Assignment:
 

Documents:

Warranty Period: 12 months
Resources
Arduino Playground: MQ Gas Sensors Tutorial
Schematic
Datasheet
Q & A (3)

Ask a question

Reviews
No Review Found

Tags: alcohol, sensor, gas sn-mq3