Умная дача
Строю на базе STM32-контроллеров.
Использую Maple Mini http://leaflabs.com/docs/hardware/maple-mini.html https://www.sparkfun.com/products/retired/11280 http://www.aliexpress.com/item/leaflabs-Leaf-maple-mini-ARM-STM32-compatibility/32214664071.html
7-сегментный LED-дисплей на базе TM1638 http://www.aliexpress.com/snapshot/6124746938.html
Датчик температуры/влажности DHT22 / AM2302 http://www.adafruit.com/products/385 https://learn.adafruit.com/dht/using-a-dhtxx-sensor