Three ways to use Arduino as a USB to TTL converter. Helpful one!
by Patel Darshil
Read CO2 and tVOC data using CCS811 I2C sensor breakout by itbrainpower.net. Temperature and humidity read compensation notes.
by Dragos Iosub
Arduino how to - using BME280 (temp, hum and press sensor) I2C breakout from itbrainpower.net and Arduino 3.3V or 5V shields.
We initially made HealthyPi as HAT add-on board for Raspberry Pi. Now you can run the application on any desktop PC with a USB port.
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