Primera parte del manual de como controlar matrices de diodos (LED's) con arduino y poder crear marquesinas como rótulos publicitarios, y demás.
LED technology unlike fluorescent and compact fluorescent utilizes no toxic mercury or glass. LED light bulbs can save you up to 87% of your energy costs when compared to standard incandescent light bulbs and last up to 50,000 hours or 50 times longer than standard lighting.
Compact fluorescent light bulbs contain toxic mercury. LED bulbs consume 1/8 the energy
of incandescent light bulbs, contain no mercury or glass and last up to 50,000 hours, or
50 times longer than standard lighting.
Tus viejas baterias de telefonos celulares pueden encender las luces led !
This is a led vu meter i made
LED light bulb gets run over by a 2007 Mazdaspeed6 and still works
Segment from Hak5 2x01 - In this segment Wess and Darren show us how to build a light activated LED night light. Distributed by Tubemogul.
Segment from Hak5 2x02 - Building an LED lit liquor cabinet Distributed by Tubemogul.
Super performance of an unknown kid: Led Zeppelin Distributed by Tubemogul.
BMW X5/E53 led ring marker
700 LUM LED TRACK LIGHTS AND LED FLUORESCENT TUBES
LEDS SAVE ENERGY AND LAST 20 TIMES LONGER
MOUNT THIS LED FIXTURE ANYWHERE YOU NEED INEXPENSIVE LIGHTING THAT LAST 50,000 HOURS
Led Zeppelin's Robert Plant gets lifetime achievement award. Full one hour video which included rare interview is availble by contacting iggyhooligantv**** Distributed by Tubemogul.
Build your own a simple 220v led indicator using only one resistor, one led and one diode. Take care; high voltage can kill you. Electric shock.
this is my Led Vu Meter made with lm3915