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Ouaibeer

Member Since: June 12, 2018

Country: Switzerland

  • I purchased about 10 of those CO2 sensor. I calibrated all the sensor outside in the same place, but despite that I have some differences in the readings. To test them, I blow air in a box that I sealed. Then I log CO2 every 5 minutes during 24 hours. I obtain a deacreasing curve of CO2 between about 16000 PPM to 2000 PPM. Any other idea about calibration process? Best regards, Eric

  • Hello, thanks for this timer! It was what I need. It could be usefull to add a piece of code with a counter to give number of wake up per day for exemple if we have a RTC.

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