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The use of high-quality double-panel design, with power indicator and TTL signal output instructions.
With the DO switch signal (TTL) output and analog output AO.
TTL output level. (Can be directly connected to the microcontroller or relay module)
The analog output voltage changes with the concentration.
Liquefied petroleum gas, natural gas, urban gas, smoke has better sensitivity.
There is a convenient screw hole.
Long life, stable and reliable.
Quick response and recovery.
Electrical performance:
Input voltage: DC5V Power (current): 150mA
DO output: TTL number 0,1 (0.1 and 5V)
Output AO: analog level signal
Special Note: When the sensor is powered on, you need to preheat about 20S, the measured data become stable, the thermal sensor is normal, because there are wires, if not normal hot words.
wiring:
1. VCC: positive power supply (5V)
2. GND: negative
3. DO: TTL switch output
4. AO: analog output
5. Fixed bolt hole, easy to install
