– February 3, 2017
how can i see the schematic diagram of this product ??
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MQ-4 gas sensor has high sensivity to Methane, also to Propane and Butane. The sensor could be used to detect different combustible gas.
The DHT11 is a relatively cheap sensor for measuring temperature and humidity.
This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it.