Links:
openwrt: http://wiki.openwrt.org/toh/tp-link/tl-mr3040
modified original firmware MR3040v2: https://db.tt/1Y8BFckX
TFTPgui: https://code.google.com/p/tftpgui/downloads/detail?name=tftpgui_2_1_py25_installer.exe
Putty: http://the.earth.li/~sgtatham/putty/latest/x86/putty.exe
USB to TTL : http://www.ebay.com/sch/i.html?_sacat=0&_nkw=pl2303&_frs=1
USB to TTL driver: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41
music: http://www.jamendo.com/en/track/999643/i-tuoi-occhi