ESP32 MicroPython MQTT Tutorial with Raspberry Pi, DHT-22 & OLED

This tutorial demonstrates how to connect a DHT22 temperature and humidity sensor to an ESP32 running MicroPython. The sensor data is transmitted wirelessly to a Raspberry Pi using MQTT protocol and the results are displayed on I2C OLED display. All the code, schematics, notes and updates are available on my website: http://www.rototron.info/raspberry-pi... This tutorial builds on my last video which demonstrates how to load the MicroPython firmware, manipulate files and run code:    • ESP32 MicroPython Tutorial with Raspberry Pi   Playlist for all videos:    • ESP32 MicroPython Tutorials