Real-time data from public transport via MQTT & ESP32 XIAO & OpenDATA

Real-time data from the Vienna lines are processed in Node-RED and sent via MQTT to an ESP32. Content is displayed on a 0.91" OLED display.

Instructions for evaluation in Node-RED and implementation on the ESP32 code:

Part 1: https://www.youtube.com/watch?v=Q4mJABBju4k

Part 2: https://www.youtube.com/watch?v=X78qFAfWfE0

Wiring and code can be found at github.com/pixeledi.

Have fun replicating!