Led Definition and 458 Threads

Can someone please help with the following question. Thanks Develop a program for the Motorola MC68HC11 using the THRSim11 simulator software. The program is to display a number 10 digits long, one digit at a time, on a single 7 segment LED display. Each digit will be ON for 1 second and OFF...

Hello Can someone please help with the following question. Thanks Develop a program for the Motorola MC68HC11 using the THRSim11 simulator software. The program is to display a number 9 digits long, one digit at a time, on a single 7 segment LED display. Each digit will be ON for 1 second...

Does anybody know why illuminating an LED with a filament lamp would produce a voltage in a simple circuit with just an LED and voltmeter? I'm guessing it's related to the photo-electric effect, but I have no idea what is actually going on. If any of you guys could help me out, or point me in...

hey guys, I have been looking to make a outdoor led washlight for a long time now. I am not very experienced with electronic circuts but I can understand the basics. I am planning to have 30 leds, 10 each of red green blue. I want to control the three different colors with a potentiometer...

I am working on a project for my electrical engineering lab class, and am interested in learning how to build a led spectrum display. I'm looking at very basic. I want 3 sets of LEDs, one for the high, one for the mid-range, and then one more for the low. Any clues where i can find a design...

Conventions ! The experiments on the interaction of a conductor carrying a current and a magnetic field conducted by Oersted more than two hundred years ago , have resulted in conventions that unfortunately are still colouring our perceptions of how exactly the electromagnetic field around...

Hey folks, I've been watching the first two LOTR movies a lot, in anticipation of the 3rd one to come out in December. Lately I've been noticing all the imagery that Led Zeppelin borrows from that trilogy, and I am now listening to "Battle of Evermore", which mentions the ringwraiths. That...

Being as it's summer and I don't have school I've been spending everyday -- and, recently, every night because I haven't been sleeping well -- reading. Well, I had an idea the other night, so I wanted to see what everyone else thought, and find out if I came up with something novel or if I'm...