===== Ruzne =====
[[http://www.mtbbus.cz/basic/pojist.htm|proudova pojistka]]
[[http://www.fritz-hut.com/connecting-an-arduino-and-raspberry-pi/| interfacing 3V and 5V logic]]

===== LEDky =====
http://www.gizmology.net/LEDs.htm
https://www.google.com/search?q=proudove+zrcadlo&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:cs-CZ:unofficial&client=iceweasel-a

=== Rizeni LED pomoci uC ===
http://www.forward.com.au/uCLedDriver/build_basic_uC_led_driver.html