Grove - Gas Sensor(MQ2)The Grove - Gas Sensor(MQ2) module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possibl...
This is an open source alarm device.We need hardware:1\SolidDigi MQ2 Smoke Detector Shield for \WiFi Shield WiShield V2.0 for ://www.soliddepot.com/wifi-shield-wishield-v20-for-arduino-p-106.html When the concentration of toxic gas is high, MQ2 sends em