You can leave links to software projects for OpenWRT and all the concomitant issues.
http://wiki.openwrt.org/toh/tp-link/tl-wr703n
This home server router is extremely useful in home automation.
http://smartliving.ru/Main.Hardware
http://smartliving.ru/Main.TPLinkHub
http://smartliving.ru/Main/DlinkHub
Fix for problem. Arduino board can connect to a USB1.1 FTDI serial cable directly.
https://forum.openwrt.org/viewtopic.php ... 17#p220117