That's where an ESP8266 comes in. It's basically a Wi ... For example, I've seen them used for the following uses: Pressure sensor in a bed to activate a going-to-bed routine Adding wireless ...

You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up every few minutes to do something, and you don’t want to delve into ...

so he narrowed down the variables and just determined the average count at his shower’s pressure and flow rate. The sensor is connected to a battery-powered ESP8266 housed inside a sealed 3D ...