Uses a 0.96" OLED display, a DHT22 and an Arduino Dingle (Leonardo) [like this]: http://www.dx.com/p/cjmcu-beetle-leonardo-usb-atmega32u4-mini-development-board-for-arduino-black-384544#.Vl9dbXX2Oko
Uses a 0.96" OLED display, a DHT22 and an Arduino Dingle (Leonardo) [like this]: http://www.dx.com/p/cjmcu-beetle-leonardo-usb-atmega32u4-mini-development-board-for-arduino-black-384544#.Vl9dbXX2Oko