ESP32 Housing with pods for MH-Z19 and DHT22
thingiverse
I added a DHT22/Lolin case for a few other ESP8266 modules yesterday. I also included some extra settings for different sensor sizes. I needed CO2 sensors in various rooms around the house, so I came up with a custom housing for the ESP32 that includes pods for both the DHT22 temperature/humidity and MH-Z19 CO2 sensors. I flashed the ESP32 with EasyESP software and connected the CO2 sensor to pins 12 and 14. The USB port worked out really well in this design, fitting snugly into the hole in the housing. To secure the sensors inside the case, I used double-sided tape. You might need to adjust the tolerance variable $tol from its default value of 0.08, which matches my printer perfectly, but you may need to experiment with different values for your specific printer.
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