Use microbit's temperature sensor and build a thermometer.
Press button A to display the temperature and button B to show a happy face if it is hot (above 20C) else show a sad face.
Download project source code from GitHub: microbit-Thermometer.hex
Press button A to display the temperature and button B to show a happy face if it is hot (above 20C) else show a sad face.
Download project source code from GitHub: microbit-Thermometer.hex