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お久しぶりです、また質問失礼します。
今ENV3センサを使用していまして、センサ値が受信される26番ピンをanalogreadしていたのですが、0としか表示されません。
ENV3は湿度、気圧、温度を測定していて、I2C通信なので、専用の関数じゃないと値を取得できないということでしょうか。
また教えていただければ幸いです。
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Hallo Mr. Takeyuki and everyone,
I still have a problem with my MH-Z19C sensor, it is still always treturn {}, can someone help me? is it compatible for the MH-Z19C or only for B? I already read ma…
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Hi all,
I have an Mh-z19c connected to a Pi Zero W with TxD and RxD cross connected to pins 8 (GPIO 14) and 10 (GPIO 15) as per the repo readme and I see an orange light flashing inside indicating …
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line 41 in cpp is: data[8] = PPM >> 8;
must be: data[6] = PPM >> 8;
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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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### The problem
Similarly to #488, I get "Reading from UART timed out at byte 0!" error messages with the MH-Z19C (https://www.ebay.de/itm/225181851233).
As shown in the logs and yaml below, I a…
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### Board
Wemos D1 mini
### Hardware setup
Wemos D1 Mini (clone) and MH-Z19C.
### Version
latest master (checkout manually)
### IDE Name
Arduino Ide
### Description
When trying to use RX TX p…
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### Board
dfrobot firebeetle esp32-e v1.0
### Hardware setup
I have gotten it working using
```
#include
HardwareSerial mhzSerial( 2 );
#define MHZ19B_TX_PIN 16
#define MHZ19B_RX_…
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Hi first of all thanks for providing this library!
I have a ESP32 module connected to MH-Z19C like so:
| MH-Z19C | ESP32 |
|------------|---------------|
| VIN | 3V3 |…
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### Feature request
Read analog voltage output using pin Vo
### Hardware setup
ESP32, Arduino Uno
### Is your feature request related to a problem?
I have a project to ensure the output voltage f…