Realtime graphs using Plotly and websockets
As you already know, In our blog we use the websocket protocol intensively, It's a fast and easy way to send data from WiFi connected micro-controllers »
Part 2 - Spectrum Analyzer with ESP8266, MSGEQ7, WS2812 and Websocket Control
This will be mostly a software post, talking about a new code I wrote for my spectrum analyzer. To get the full hardware description, check part »