Learn how to monitor CO2 levels, and use this data to automate home ventilation equipment using a Sensirion sensor, ESP32 development boards, and a Raspberry Pi
Upgrade any Feather board with motion and precision temperature sensing and logging with the Adafruit Sensor Featherwing, the Arduino IDE, and Adafruit IO.
The Adafruit Feather 32u4 Bluefruit is an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an Adafruit Feather 32u4 with a BTLE module.