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 # MH-Z19B CO2 Module
+
+Arduino implementation for the MH-Z19B sensor (as I didn't find all info in one place).
+The sensor is available for ~20 bucks at the usual places.
+
+## Resources:
+
+Datasheet:
+http://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
+
+More info about the sensor:
+https://revspace.nl/MHZ19
+
+
+## Implementation
+
+The implementation is mostly based on  https://forum.arduino.cc/index.php?topic=525459.msg3587557#msg3587557
+
+
+## Further reading:
+- http://ihormelnyk.com/Page/mh-z19_co2_meter
+
+(russuian, but google translate does a good job)
+- https://geektimes.ru/post/285572/
+- https://geektimes.ru/post/278178/
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