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CO2, temperature & humidity sensor
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Case for a:
- CO2 sensor (MH-Z19B)
- temperature- + humidity sensor (HTU21D or BME280)
- 0.96" OLED display
- ESP8266
Link to build instructions: https://docs.google.com/document/d/1xasCGfBETd0N2bq7BI-maAkGFvk7YDnRBfVL16skOQY/edit?usp=sharing
2021.02.12: this design is based on a nodemcu board which has wifi problems. Will consider redesigning it to use a wemos d1 mini, which has a shielded esp chip.
2019.11.25: decreased the size of the mounting pins for the esp8266, previous versions didn't have enough tolerance to allow the board to fit.
2019.09.01 updated the STL file --> some esp8266 boards had the mounting holes in a slightly different position and wouldn't fit. This version places the esp8266 board a bit further from the back edge.
- CO2 sensor (MH-Z19B)
- temperature- + humidity sensor (HTU21D or BME280)
- 0.96" OLED display
- ESP8266
Link to build instructions: https://docs.google.com/document/d/1xasCGfBETd0N2bq7BI-maAkGFvk7YDnRBfVL16skOQY/edit?usp=sharing
2021.02.12: this design is based on a nodemcu board which has wifi problems. Will consider redesigning it to use a wemos d1 mini, which has a shielded esp chip.
2019.11.25: decreased the size of the mounting pins for the esp8266, previous versions didn't have enough tolerance to allow the board to fit.
2019.09.01 updated the STL file --> some esp8266 boards had the mounting holes in a slightly different position and wouldn't fit. This version places the esp8266 board a bit further from the back edge.
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