MQ-4 GAS Methane Sensor module for arduino
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Using high-quality dual-panel design, with power indicator and TTL signal output instructions.
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The switching signal having a DO (TTL) output and analog output AO.
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TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
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Analog output voltage with the higher concentration of higher voltage
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There are four screw holes for easy positioning.
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Has a long life and reliable stability.
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Rapid response and recovery characteristic.
Specifications:
Input voltage: DC5V
Power consumption (current): 150mA
DO output: TTL digital 0 and 1 ( 0.1 and 5V)
AO output: 0.1-0 .3 V ( relative to pollution ), the maximum concentration of a voltage of about 4V
Special note: After the sensor is powered, needs to warm up around 20sec
Power consumption (current): 150mA
DO output: TTL digital 0 and 1 ( 0.1 and 5V)
AO output: 0.1-0 .3 V ( relative to pollution ), the maximum concentration of a voltage of about 4V
Special note: After the sensor is powered, needs to warm up around 20sec
Wiring:
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VCC: positive power supply (5V)
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GND: power supply is negative
- DO: TTL switching signal output
- AO: analog signal output
8072
Data sheet
- Sensor type
- GAS
- OS support
- Arduino
- Voltage
- 5VDC
- Current
- 150mA
- Certification
- CE, RoHS
- Warranty
- 1 years
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