Keyestudio EASY PLUG Ultimate Starter Kit - Project 18: Is There Gas Leakage

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Project 18: Is there gas leakage?
Overview
This project we will test the gas sensor. You can use analog reading to read
the data from this sensor.
Component Required:
 EASY plug control board*1
 EASY plug Analog Gas Sensor *1
 EASY plug OLED module*1
 RJ11 cable*2
 USB cable*1
Component Introduction:
EASY plug Analog Gas Sensor
This analog gas sensor - MQ2 is used in gas leakage detecting equipment in
consumer electronics and industrial markets.
This sensor is suitable for detecting LPG, I-butane, propane, methane,
alcohol, Hydrogen and smoke. It has high sensitivity and quick response.
In addition, the sensitivity can be adjusted by the potentiometer.
 Interface: Easy plug
 Power supply: 5V
 Interface type: Digital and Analog
 Wide detecting scope
 Simple drive circuit
 Stable and long lifespan
 Quick response and High sensitivity