Robot Pi Shop

MQ137 Ammonia Gas Detection Sensor Module

$22.99
Quantity
Pickup available at Robot Pi Shop

Features:

1. Adopt high-quality double-panel design, with power supply and TTL signal output indications
2. With DO switch signal (TTL) output and AO analog signal output
3. TTL output high and low level. (Can be directly connected to the single chip or relay module)
4. The analog output voltage changes with the concentration
5. There is a screw hole for easy positioning
6. Long-term service life and reliable stability
7. Fast response and recovery features

Electrical performance:
Input voltage: DC5V Power consumption (current): 150mA
DO output: TTL digital quantity 0 and 1 (0.1 and 5V)
AO output: analog level signal

Special reminder:
After the sensor is energized, it needs to preheat about 20S, the measured data is stable, the sensor heating is normal, because there are heating wires inside, if the hand is hot, it will be abnormal.

Wiring:
1. VCC: Connect to the positive pole of the power supply (5V)
2. GND: Connect to the negative pole of the power supply
3. DO: TTL switch signal output
4. AO: analog signal output
5. There are fixing bolt holes for easy installation
MQ137 Ammonia Gas Detection Sensor Module

Default Title

  • Robot Pi Shop

    Pickup available,usually ready in 1 hour

    Ground Floor Shop, Sayde Street, Fanar Matn 1202
    Fanar
    Lebanon

    +96171791287

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