ALLNET 4duino Neigungs Schalter LM393 ZYMQ-2 MQ2 Gas Sensor Module Smoke Butane Methane Sensor For Arduino
Product Description
Using high-quality dual-panel design, with power indicator and TTL signal output instructions ;
The switching signal having a DO (TTL) output and analog output AO ;
TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or
relay module )
Analog output voltage with the higher concentration of higher voltage.
A gas, natural gas, city gas, smoke better sensitivity.
There are four screw holes for easy positioning ;
Has a long life and reliable stability
Rapid response and recovery characteristics
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