Here is a bit of magic using websockets and a inertial motion unit. :)

The following video demonstrates some testing I did of wireless data telemetry over a local network. I programmed the ESP32 featherboard to capture an ADC value from a cheap piezo sensor. The ESP32 is programmed to connect to my home network on startup and will send the ADC readings over a websocket. A javascript file is used to receive data from the websocket and add it to a line plot in a scrolling style. The test was done as a side project to gather vibration data from a washer/dryer to ultimately detect cycle completion. At this time, the piezo sensor signal was too weak to capture the vibration of my dryer. An op amp circuit is planned to further this project. For the video, I am pressing the piezo sensor at the bottom of the video, and the display is showing the javascript plot of the received data socket.

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