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Auto calibration support #1

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tobiasschuerg opened this issue Jun 24, 2018 · 1 comment · Fixed by #19
Closed

Auto calibration support #1

tobiasschuerg opened this issue Jun 24, 2018 · 1 comment · Fixed by #19
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@tobiasschuerg
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tobiasschuerg commented Jun 24, 2018 •
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byte mhzCmdCalibrateZero[9] = {0xFF,0x01,0x87,0x00,0x00,0x00,0x00,0x00,0x78};
byte mhzCmdABCEnable[9] = {0xFF,0x01,0x79,0xA0,0x00,0x00,0x00,0x00,0xE6};
byte mhzCmdABCDisable[9] = {0xFF,0x01,0x79,0x00,0x00,0x00,0x00,0x00,0x86};

https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z19b-co2-ver1_0.pdf
and letscontrolit/ESPEasy#466 (comment)
@tobiasschuerg tobiasschuerg changed the title Add support for auto calibration Auto calibration support Mar 2, 2019
@tobiasschuerg tobiasschuerg linked a pull request Jan 2, 2021 that will close this issue
added possibility to set Range, to enable/disable Autocalibrate and t… #19
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@ChrSchultz
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my commands are for MH-Z-14A

tobiasschuerg pushed a commit that referenced this issue Jan 14, 2021
@ChrSchultz
Add support for setting the range and autocalibration. Closes #1.
8a063e7 
* added possibility to set Range, to enable/disable Autocalibrate and to calibrate maually ( see Datasheet v 1.2 : https://www.winsen-sensor.com/d/files/MH-Z14A.pdf

* Update MHZ.cpp

* Update MHZ.cpp

* Update MHZ.h

added calibrate Span, for complete functionality but commented out , due to professional use (req. constant atmosphere with 2k, 5k or 10k ppm CO2.).
corrected the bugs in MHZ.cpp also.

* Update MHZ.cpp

Added comments for  Sensors with specific firmware.

Co-authored-by: Christoph Schultz <christoph@schultz1-christoph.de>
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added possibility to set Range, to enable/disable Autocalibrate and t… ChrSchultz/MH-Z-CO2-Sensors
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@tobiasschuerg @ChrSchultz