https://momosan2692.wordpress.com/2013/03/05/how-to-backup-your-firmware-of-openwrt-device/ Full Backup
http://kernelreloaded.com/manually-controlling-openwrt-hardware-watchdog/ WatchDog
https://wiki.openwrt.org/doc/techref/rpcd RPCD
https://erwinchang.github.io/2016/07/26/ubus/ UBUS
https://forum.openwrt.org/viewtopic.php?id=62694 CRONTAB
https://sergioprado.org/por-dentro-do-openwrt/ Tutorial em Português
https://forum.openwrt.org/viewtopic.php?id=44397 Lua/Arduino
http://ediy.com.my/index.php/blog/item/124-lua-shiftout-a-74hc595-shift-register-library-for-lua LuaGPIO
http://bbb-solutions.blogspot.com.br/2015/12/monitor-openwrt-traffic-with-wireshark.html WireShark
http://www.ayomaonline.com/security/analyzing-network-traffic-with-openwrt/ TCDUMP
https://wiki.openwrt.org/doc/howto/hardware.button Button
https://forum.openwrt.org/viewtopic.php?id=32810
http://www.jauu.net/2015/03/03/complete-openwrt-guide/ Tutorial in English
http://bits.mdminhazulhaque.io/openwrt/run-custom-lua-script-as-cgi-with-uhttpd.html Lua
https:/ /randomcoderdude.wordpress.com/2013/08/11/controlling-leds-status-in-openwrt/ Lua Leds
https://wiki.openwrt.org/doc/howto/generic.sysupgrade Sysupgrade
http://www.c2o.pro.br/proj/openwrt/ar01s02.html Excelente tutorial em português
https://wiki.openwrt.org/doc/recipes/ap_sta Config Ap Station
http://manticore.deadmediafm.org/wiki/mr3020 FM Station
https://www.rs-online.com/designspark/eleven-internet-of-things-iot-protocols-you-need-to-know-about Protocols IoT
https://www.howtoforge.com/reverse-ssh-tunneling Reverse SSH Tunneling
https://forum.openwrt.org/viewtopic.php?id=43003 mySQL
https://www.hackster.io/ediy/ubidots-lua-openwrt-router-ubidots-real-time-data-monit-5420d4 Ubidots
https://wiki.openwrt.org/doc/hardware/port.i2c I2C
https://randomcoderdude.wordpress.com/2013/08/15/spi-over-gpio-in-openwrt/ SPI
https://blog.g3rt.nl/arduino-serial-over-tcp-openwrt.html Serial Over TCP
http://www.equinoxefr.org/post/2012/11/12/mr3020-et-i2c-avec-les-gpio/
https://randomcoderdude.wordpress.com/2013/08/11/controlling-leds-status-in-openwrt/
http://wiki.openwrt.org/toh/tp-link/tl-mr3020
http://www.ediy.com.my/index.php/blog/item/40-send-message-to-serial-port-or-router-using-lua
http://squidge.sourceforge.net/gpio/
https://github.com/rsisto/luaGpio/blob/master/gpio.lua Gpio Lua
http://www.lua.org/manual/5.1/pt/manual.html Lua Manual
http://wiki.openwrt.org/doc/howto/user.beginner.cli
http://lua-users.org/wiki/StringLibraryTutorial
http://wiki.openwrt.org/doc/techref/ubus
http://wiki.openwrt.org/doc/howto/hardware.button
https://www.kernel.org/doc/Documentation/leds/leds-class.txt
https://randomcoderdude.wordpress.com/2013/08/11/controlling-leds-status-in-openwrt/
https://trac.torproject.org/projects/tor/wiki/doc/OpenWRT
http://gr0b.blogspot.com.br/2012/07/connection-arduino-uno-to-openwrt.html Socat/Arduino
https://sites.google.com/site/robsonfranklin/home/linux---enviando-sms-pelo-terminal-usando-modem-3g
http://wiki.openwrt.org/doc/howto/usb.overview
http://grenville.wordpress.com/2011/12/03/adding-openwrt-to-tp-link-wr703n/
http://cmikavac.net/2012/06/03/tp-link-wr703n-openwrt-post-installation-tips/
http://vonkonow.com/wordpress/2011/12/serial-communication-on-a-router/
http://pplware.sapo.pt/linux/tutorial-raspberry-pi-vamos-lig-lo-rede-wireless-e-wired/