A very basic tutorial on how to interface a microcontroller to an MQTT broker and interact with data on Node-RED.

GrumpyHedgehog allows you to communicate with signs and movements to send keyboard commands, turn lights on/off, count people in a room...

This project controls lights based on the moisture levels detected! #cloudgames2022

WiFi access points (Espressif devices) are very cool, but how to connect without checking the IP address via serial? Captive portal.

Example of the use of a Digital PDM microphone.

This is a 3R Planar robot that I am using to create generative art.