A very basic tutorial on how to interface a microcontroller to an MQTT broker and interact with data on Node-RED.
Project in progress by Officine Innesto
Example of the use of a Digital PDM microphone.
Project in progress by JayV
GrumpyHedgehog allows you to communicate with signs and movements to send keyboard commands, turn lights on/off, count people in a room...
Project in progress by Jean Perardel
WiFi access points (Espressif devices) are very cool, but how to connect without checking the IP address via serial? Captive portal.
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