LED Lamp Parallel Circuit Hello everyone, My first question in this forum to build a LED panel with parallel LED connections. Input: 220V AC Bright White LED 5mm I want …
posted by
marlopax
on
Jun 26, 2010
views: 1,458 |
does anyone know which brands of laptops used LED backlighting? by the way, LED backlighting, Is NOT LCD backlighting.
posted by
Guest
on
Mar 9, 2009
views: 85answers: 3 |
LED problem on distortion pedal? Recently I have bought a DOD supra distortion pedal, it works fine exept LED, when I open it LED wasn't attached anywhere so I attach it where it s…
posted by
vellimirr
on
Jun 23, 2011
views: 28answers: 2 |
LED driver. i want to make a LED light source, I have found a few on other places, but not sure of those. I have a 9v battery, 4LEDS. If anyone would be so …
posted by
mossDboss
on
Aug 16, 2010
views: 94 |
Resistors and LED question Hello, I have a quick question about resistors and LEDs. If I am making an LED flashlight, do I attach the resistor to the (-) side or the (+) si…
posted by
jknight
on
Dec 6, 2008
views: 50 |
Remove a LED from... anything I have a DVD player in my bedroom with a LED on the front that is really annyoing. Is there any reason that I couldn't open it up and cut/tape off …
posted by
steimel386
on
Jan 8, 2009
4.09
( ratings)
views: 46 |
where can i buy LEDs in dubai (not online)? there are alote of cool instructables about LEDs but i cant go internet shopping. and i cant find any shop that sells LEDs in dubai
posted by
ahmad2117
on
Dec 31, 2009
views: 436answers: 15 |
LED bulb with AC 220v. can any body help me???? I want to build a LED bulb with 220v AC. But the circuit should be very simple and short. I want to fix it in a dead Energ…
posted by
raza896
on
Dec 8, 2009
views: 3,388answers: 5 |
Is it possible to power a led with passive earphones? Hi, Is it possible to power a led with passive earphones? I took apart some earphones and connected the 2 wires in the right earphones and it didn…
posted by
rayjai
on
Nov 17, 2010
views: 29answers: 3 |
Need help building an rgb led music sync.? I would like to start a project building an LED wall. I would like the LEDs to change color to the frequency. I was wondering if this was possibl…
posted by
stefanu
on
Dec 4, 2011
views: 40answers: 3 |
led's and 3 aaa batteries ? I put 3 led's on a tin can with three aaa batteries and a switch,but no resistors on the led's.i also wired the led's parallel.My question is why d…
posted by
ERIK G
on
Dec 10, 2011
views: 33answers: 4 |
Car speaker LED question hi guys, i have a 500w car speaker, and i want to attach an LED to it so it syncs with the treble and bass, and when i tried it blew out the led b…
posted by
zfors88
on
May 11, 2009
views: 71 |
What Happens to an LED when it is overvolted? I would just like to know what happens when an LED is overvolted, and whether flickering is a a sign of overvolting. The LED used was a Super Brigh…
posted by
CheeLee
on
Nov 22, 2009
views: 214answers: 7 |
What is the "closed" circuit for red then green led, on/off? hi for a project i am doing, i wanted to make a 3d led cube but it was to simple. BUT i can do it if i can make it with different led turning on an…
posted by
asdasd699
on
May 26, 2009
views: 99answers: 2 |
how to prepare a serial led's display?? circuit diagrams and pdf files
posted by
pravee123
on
Nov 2, 2011 |
Connect multiple LED with different colour?
posted by
shiva19192
on
Nov 14, 2011
views: 16answers: 2 |
hey how do i work out how many led's i can hook up to a 9v battery that will last at least a day? i want to link together as many blue led's on one circuit as i can i was thinking a couple of 9v batteries and a bunch of led's together, but i do…
posted by
ANGRY_CLOUD
on
Sep 6, 2009
views: 73answers: 4 |

All Steps Viewing
View all steps of an Instructable on the same page when you're a Pro Member.