esp32 & esp8266
Scentronic: ESP32 and Gas Sensors Send Smells Over the Internet
Ohio State's Scentronic uses six gas sensors, machine learning and an ESP32 to detect a smell and recreate it remotely. Here is how to…
diy projects
Build a Digital Nose: an SGP30 Sensor That Sniffs Out Spoiled Milk
Your nose gives a yes-or-no answer. An SGP30 gas sensor gives you a number you can plot, and the whole freshness checker is a…