INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.
SPECIFICATION Power supply needs: 5V Interface type: Analog Wide detecting scope Fast response and High sensitivity Simple drive circuit Stable and long life Size:36.4x26.6mm (1.4x1'')
SHIPPING LIST Arduino Gas Sensor (MQ2) x1 Gravity Analog Cable x1
Wiki : https://www.dfrobot.com/wiki/index.php/Analog_Gas_Sensor_SKU:SEN0127