Using a Raspberry Pi Pico, control an electric heater and display the room temperature (using DS18B20) via a web page.
For more information, see https://electro-dan.co.uk/blog/44/electric-heating-radiators-timer-thermostat-using-raspberry-pi-pico-w
Based on: https://github.com/getis/micropython-web-control-panel https://microcontrollerslab.com/raspberry-pi-pico-ds18b20-web-server-weather-station/ https://www.multiwingspan.co.uk/pico.php?page=wasync