IoT development board currently based on ESP8266,including:
SMPS power supply
16 digital IO ports
6 ADC ports
5 DAC outputs
RTC clock
Optional HC-05 bluetooth
Optional DHT22 temperautre and humidity sensor

...all packed in small form factor of 100*60mm.

Board easly programmable trough Arduino IDE

Full board plans available,if you need them feel free to contact me at 
ivica3730k@outlook.com

or tweet @ivica3730k