Other
“A couple of weeks ago, I read an article about CO2 levels and how they may indicate higher transmission of COVID-19 in an indoor space. After reading this article, I wanted to take a crack at designing a simple …
“I have recently been spending a lot of time indoors working with human breathing physiology. Prior Instructables have used O2 and CO2 sensors and I had tried switching to a new one from Sensirion SCD 41. It is very tiny …