Vitamin D decreases susceptibility to COVID-19. Humans make Vitamin D via sun exposure. Sunkeeper measures how much sun you have absorbed.
This tool signals optically and acoustically in several stages when the minimum safety distance is undershot.
IoT based solution for detecting human breathing
Testo Booster wasn't an option which one shouldn't go wrong with. I'm looking to get a coupon.
Internal environmental conditions in an office are crucial for the health of employees, with this project you will discover how check them.
Introduction how to use dust sensor with ESP8266.
I created a smart shop dispenser-Bot that will guide you to wash your hands for minimum 20 seconds.