Open Source DTU

There are many open source projects for DTU. Please refer to the following projects if you have any interest.

WiFi DTU

http://www.jianshu.com/p/a0e6926bc436

GPRS DTU

http://www.jianshu.com/p/5aa5abe3bdc7

Python DTU (could run on openwrt)

http://www.jianshu.com/p/dea70ea26847