Raspberry Pi Pico WiFi air sensor
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Case for Raspberry Pi Pico with AHT20/BMP280 Sensor and Battery holder
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- Printables
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- Electronics
- License
- Creative Commons — Attribution — Noncommercial
This case fits a Raspberry Pi Pico, a sensor and 3 AAA Batteries
The sensor is a AHT20 / BMP280 combo with digital temperature, humidity and air pressure. It suppors the I2C interface so reading values with the Pi Pico ist easy. Some holes in the front make air flow easy for the sensor and the Pi Pico.
The lid fits really snug and holds the batteries in place as long as you just position the case somewhere.
Note that the Pico must be set to sleep mode with machine.lightsleep(ms) so it won't produce heat which would make the readings wrong.
My code sends the read values to my home automation (openHAB) every 5 minutes. Get my code as an example from here:
https://www.gressly.ch/index.php/wifi-thermo-hygro-barometer/