A Smart Sonar System which alerts the user when it spots objects or enemies within range.
AWS, Azure or GCP? Whatever.. sensors 1'st! Air quality CO2 and tVOC with temperature and humidity compensation algorithm - RPI how to.
Basic IoT - RaspberryPI and HDC2010 I2C breakout by itbrainpower. net - RPI HDC2010 temperature and humidity sensor how to