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Not sure what the fix is. If I remove the warm up part, and instead add a 3 minute delay in the setup, it kind of works. The PWM and uart have drastically different values however...any suggestions?
…
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Hi,
I am usning MH-Z19c sensor on esp8266.
I am getting the same temperature value:
CO2: 672
Temperature: -40
Accuracy: 0
CO2: 675
Temperature: -40
Accuracy: 0
CO2: 682
Temperature:…
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Hi,
so i have an ATTiny1614 (16kB Flash, 2kB RAM) with megaTinyCore, a 4-digit serial display and the MHZ-19C. I'm using hardware serial to save memory.
When i flash the code everything works as e…
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Hi want to use the second port in arduino leonardo.
His name is serial1.
I do not understand how to initialize it correctly.
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### The problem
After one of the latest updated MHZ19B sensor stopped working.
It was all working fine, but since one of the last updates (sorry, i dont know which one) i get an error in reading co2…
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Hi,
I have a Nilan 300 Comfort Top and will give your sketch a try as soon as I receive my RS485 to TTL converter part.
However, I would like to also add a CO2 sensor (MH-Z19B) as the Nilan Optio…
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Hi, nice work with the teardown!
I would like to add some info, I don't think its worth it to make a PR on this.
You are mentioning the chip as a VINKA VK15218B MCU, I did some research on this and …
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This is related to https://forum.radicaldiy.com/t/mh-z19b-not-work-with-mycodo-python-but-works-with/1563 which was posted on the forum.
**Mycodo Version**: 8.15.9
**OS**: Linux raspberrypi 6.1.2…
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mh_z19 3.1.3 doesn’t work with Raspberry Pi 5 because the dependent RPi.GPIO 0.7.1 doesn’t work with it.
It seems RPi.GPIO is no longer maintained because of no response to [the ticket](https://sou…
rewse updated
1 month ago
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A cool addition to this project would be to add support for these sensors which would add further to the SC's usefulness as a home sensor:
AS3935 - A really cool sensor that can sense and warn for …