I'm using arduino uno, sim900 module, mq2 gas sensor and buzzer to create a gas sensor detector based on sms. I have to 2 option : 1. The mq2 gas sensor detects and send the result via sms to the number set in the code. 2. We can send a specific string to know the surrounding gas percentage and send the result to the specific number set in the ...
[email protected]The MiniHD 5200 portable gas analyzer is a rugged, heavy duty analyzer designed to accurately measure the levels of O2, CO and CO2 within common gas mixtures.
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