ESP32 board designed to interface a MH-Z19B with esphome
Co2home
This device interfaces with an MH-Z19B and makes the data available in home assistant via esphome. It could also work with any other software you'd like on an ESP32.
What's included
The circu…
This device interfaces with an MH-Z19B and makes the data available in home assistant via esphome. It could also work with any other software you'd like on an ESP32.
What's included
The circuit board, an 8mb ESP32 and other basic components including a socket for the MH-Z19B.
A 6-pin programming header and the actual MH-Z19B are not included.
Programming
You MUST remove the MH-Z19B to perform any serial flashing with a programmer. Doing OTA updates is not an issue; the sensor can be left attached.
The programming header can work with any esp32 programmer if wired up correctly. The pinout matches my esp32 programmer, eflashy32 if you are in need of a programmer as well.
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