Author Comment Last activity Moderation
bha "I found a cheap alcohol sensor. Alcohol is mainly made up of Ethanol and Methanol. This sensor is very sens..." | Read more » about 11 years ago
bha " Dection range:targeted, <0.25 ppm achieved crossreactivity: Selectivity of HCHO detectio..." | Read more » over 11 years ago
bha "I link a pdf file of the article, which you mentioned above. from" | Read more » over 11 years ago