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https://ru.aliexpress.com/wholesale?catId=0&initiative_id=SB_20170908000249&SearchText=MH-Z14A
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tested this library with a MH-Z14A module.
comment about how to change from MZ-H19B to MH-Z14A module is missing.
delays hided away in a library are bad coding practice!!
To the author: If yo…
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Hi,
I am not very good at the electronics subject. I read the `readme.md` and I do not get few parts.
> GY-21 board with SHT21 has 5V SDA/SCL pins , use FET 3.3V-5V level converter to connect to E…
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I'm quite a newbie in this, but the example doesnt run
it gives me an error
mh-z14a:4: error: 'Serial1' was not declared in this scope
which is undestundable because Serial1 is indeed not d…
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Hi,
Not really an issue, just a thank you note.
I was inspired by your code and I tried to clean it up a little by moving the library part to cpp class.
In addition I implemented the PWM and ADC …
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Hi Eriknl,
I think I have the same set up you describe but I'm repeatedly having the following error after the zero calibration is over:
> Zero was calibrated
> Attempting MQTT connection...conne…
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I tried some other library, it's giving wrong value for temperature
Please help me on this.
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I have been developing the prototype a bit further and have the following code, which hangs if I power the CO2 sensor on after the micro:bit.
If I power on the sensor first, and THEN start the micro…
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Latest available version of library on [Platfrom.io registry](https://registry.platformio.org/libraries/tobiasschuerg/MH-Z%20CO2%20Sensors): 1.4.0
Actual available versions of this library: https://g…
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Connected MH-Z19 to Sonoff Basic, the sensor led does flash, but no data is received by the Sonoff. I must be doing something wrong. Any ideas?
![screen shot 2018-03-23 at 18 52 54](https://user-im…