This is a simple-to-use hydrogen gas sensor.They are used in gas leakage detecting equipments in home and industry applications. Avoid the noise of alcohol, cooking fumes, LPG,CO. The sensitivity can be adjusted by the potentiometer.
Notice:The new version of analog sensor port pin mapping has been changed as the following two features.Please check the tips for changing sensor cable pin mapping while using the I/O Expansion shield. We will continue to update. For the inconvenience caused, please understand.