Many Arduino/ESP32 small learning projects.
buzzer- Will play a couple of predefined songs and skip to the next on the click of a button;esp32-char-iot- Device that senses if a chair is occupied and forwards data to a broker;leds-simple-flow- Simple flow of light with three modes, left, right and left-right-bounce; push up button will change modes;openweather- For Arduino Nano 33 IoT / WiFiNINA; gets data from openweather via wifi;pot-fading-rate- fading led that has its rate setup by a potentiometer;temperature- temperature/humidity read using DHT22 sensor;traffic-light- timed traffic light with strict states;traffic-light-button- traffic light with strict states changed by a pushup button;