MQ-3 Alcohol Ethanol Detection Sensor Module
₹299.00 Original price was: ₹299.00.₹99.00Current price is: ₹99.00. (Excl. 18% GST)
Price (Excl. GST): ₹99.00
Price (Incl. GST): ₹116.82
- Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off).
- Current Consumption: 150mA.
- DO output: 0.1 and 5V.
- AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detecting Concentration: 0.05-10mg/L Alcohol.
| Weight | 5 g |
|---|---|
| Dimensions | 36 × 20 × 16 mm |
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The MQ-3 Alcohol Ethanol Detection Sensor Module is user-friendly and effective for detecting alcohol in the air. This module uses the MQ-3 sensor, which is specifically designed to sense alcohol and simplifies the connection process with standard 4 x 0.1″ header pins. This setup eliminates the hassle of dealing with complex pin arrangements.
The module provides both analog and digital outputs. The analog output gives a continuous signal that represents the alcohol concentration in the air, while the digital output offers a binary signal based on a customizable threshold. You can adjust this threshold using an onboard potentiometer, allowing you to set the level at which the digital output is triggered.
Simply power the module with 5V, set the threshold, and you can start monitoring alcohol levels. An onboard LED lights up when alcohol is detected, similar to a breathalyzer. The digital output is easily connected to microcontrollers and other circuits, while the analog output can be hooked up to an ADC on a microcontroller for detailed sensor readings. This versatility makes the MQ-3 module ideal for various alcohol detection applications.
Features :
- Signal output light indicator.
- Analog and level signal output.
- TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module).
- The carbon monoxide detection with better sensitivity.
- It has a long service life and reliable stability.
- Rapid response recovery features.
Package Includes :
- 1 x MQ-3 Alcohol Ethanol Detection Sensor Module.





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