Comments (2)
This is not your error, nor the senors.
Newer firmware versions (which are hard to keep track of) have replaced the registry entry with the last CO2 reading taken (or so it appears).
I have an idea of how to request the data from all versions, but until then, I plan to remove the function from the working examples.
Hopefully, this helps?
from mh-z19.
of course it does, thanks
from mh-z19.
Related Issues (20)
- Add MH-Z16 and below 400ppm measurements, set different range / sensititivies of sensors used. HOT 1
- Wrong Temperature - wrong Co2? HOT 18
- Readings way off HOT 7
- does not work on arduino mega HOT 4
- Reasoning behind sensor zero-calibration ? HOT 1
- Simplification proposal HOT 3
- Temperature values among different sensors HOT 4
- Library incompatible with I2C LCD? HOT 3
- Getting wrong temperature on MH-z19c HOT 7
- ESP32C3 support. HOT 3
- Question. Correct interpretation of sensor readings HOT 4
- Backup / Restore Firmware using ST-Link v2 and OpenOCD HOT 3
- MH-Z19B measures well the first 15 minutes, then 0 ppm HOT 5
- ERROR 3 after powercycle - firmware download blocks init HOT 3
- library fails with CORE_DEBUG_LEVEL=3 HOT 1
- Failed communication via UART (ESP32) HOT 3
- Error Code 3 HOT 6
- Cannot connect the sensor properly HOT 5
- Incorrect PPM range with sensor HOT 1
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from mh-z19.