The digital oxymeter GMH 3691 is now ready to use with the Arduino, and supposed to be integrated into the next version of Vanitas Machine…
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Regarding the next version of Vanitas Machine, I´d like to display different values such as oxygen and carbon dioxide levels, temperature, humidity, weight of the candle and maybe more. Today I made some tests with a new LCD display I ordered (16X2) and used it to indicate the temperature based on the DS1820 sensor. More work needs to be done to pass on all the different values to the display in the correct format.