Smoke sensor MQ2 (Digital/Analog)
This smoke sensor moduleĀ withĀ MQ2 Smoke sensor have both digital and analog outputsĀ , you also can adjust the sensitivity with the potentioneter.
PIN Connection
4 pins as follows:
- VCC Ā Ā (5 V)
- GND (ground)
- Aout (Analog output)
- Dout (Digital output)
When connect to arduino, use digital pins in digital mode (high or low) and use analog pins for analog mode (diffrenet value for different smoke intensity).
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Product Information
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Shipping & Returns

Smoke sensor MQ2 (Digital/Analog)
Smoke sensor MQ2 (Digital/Analog)
This smoke sensor moduleĀ withĀ MQ2 Smoke sensor have both digital and analog outputsĀ , you also can adjust the sensitivity with the potentioneter.
PIN Connection
4 pins as follows:
- VCC Ā Ā (5 V)
- GND (ground)
- Aout (Analog output)
- Dout (Digital output)
When connect to arduino, use digital pins in digital mode (high or low) and use analog pins for analog mode (diffrenet value for different smoke intensity).
Original: $1.80
-70%$1.80
$0.54Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This smoke sensor moduleĀ withĀ MQ2 Smoke sensor have both digital and analog outputsĀ , you also can adjust the sensitivity with the potentioneter.
PIN Connection
4 pins as follows:
- VCC Ā Ā (5 V)
- GND (ground)
- Aout (Analog output)
- Dout (Digital output)
When connect to arduino, use digital pins in digital mode (high or low) and use analog pins for analog mode (diffrenet value for different smoke intensity).















