MQ-2 the methane sensor module gas sensor For Arduino

MQ-2 the methane sensor module gas sensor For Arduino

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A brief description:

, Long Size: 32mm x width 22mm X height 27mm
Second, the main chip: the LM393, ZYMQ-2 gas sensor
Third, the working voltage: DC 5 Volt
IV characteristics:
1, with the directions of the signal output.
2, two-way signal output (analog output, and TTL level output)
3, TTL output valid signal is low. (When low output signal light, and can be connected directly to the microcontroller)
4, 0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage.
5, liquefied petroleum gas, natural gas, city gas, better sensitivity.
6, has a long life and reliable stability
7, rapid response and recovery characteristics
V. Application:

Applies to the home or factory gas leak monitoring apparatus a monitoring device suitable for liquefied petroleum gas, butane, propane, methane, alcohol, hydrogen, smoke, etc.

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