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kumekay/kuhomon
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System for measurement CO2/Humidity/Temperature/Pressure with OLED display and data upload through WiFi
If you want to use BME280 instead of SI7021+BMP085 take a look onBME280 branch
- CO2 Sensor MH-Z19
- ESP8266 (NodeMCU ESP12+ based)
- SSD1306 0.96" 128x64 i2c OLED. Library:https://github.com/olikraus/u8g2
- Humidity/Temperature SI7021 i2c. Library:https://github.com/LowPowerLab/SI7021
- Pressure/Temperature BMP085 i2c. Library:https://github.com/adafruit/Adafruit-BMP085-Library
Model for printing kuhomon_case.stl
Known issues:
- To fit system to this case you have to use short wires
- Temperature measurements seems to be higher due to heat from ESP8266
- Add offline support (show data on screen without WiFi)