Contents1 How can I measure radioactivity?1.1 Making a Geiger counter from scratch?2 Building a Geiger counter kit?3 Assembling the Geiger counter4 The STS-55 Beta and Gamma radiation detection tube 3D printed box6 Sending radioactivity data to the internet7 Want to have your own Geiger-Müller counter?7.1 Geiger counters in kit form7.2 Geiger counters ... Read more
CO2 (carbon dioxide) is a dangerous gas for humans. In high concentrations it can cause dizziness, headache, high blood pressure, rapid heart rate, asphyxia and unconsciousness.
Those who are regulars of the blog, already know that I like to measure everything, and gas could not be less. I have been measuring gas consumption for years with Arduino, but the important thing is not that, the important thing is that this Arduino has been sending data wirelessly for almost six years with only two AA batteries, and ... Read more