# Mood Light Panel - how to?

D

#### Dantanna

Jan 1, 1970
0
Has anyone else seen these panels out there? They are ridiculasly priced at
over $400 for a 2x2 ft. square panel made up of 4 cubes. The cubes change colors and I am interested in understanding what kind of light they are using. Any thoughts by the pros? The plastic cubes look opaque and the light is supposedly LED. I think the circuit would be the hardest part to recreate. A #### Anthony Fremont Jan 1, 1970 0 Dantanna said: Has anyone else seen these panels out there? They are ridiculasly priced at over$400 for a 2x2 ft. square panel made up of 4 cubes. The cubes change
colors and I am interested in understanding what kind of light they are
using. Any thoughts by the pros?

The plastic cubes look opaque and the light is supposedly LED. I think the
circuit would be the hardest part to recreate.

Then they are probably RGB LEDs under a translucent. You could build
your own with a $2 PIC chip, some code, three$1 mosfets, some resistors

Wow! That is a lot of LEDs! I have been buying RGY LEDs for $1.95 a hundred. http://www.mpja.com/listitems.asp?dept=116&main=122 Lets see.$100 / $1.95 = 51+ OR 5,100 of each color. I think for a mode light you might use 1600 per square. A #### Anthony Fremont Jan 1, 1970 0 Clarence_A said: Wow! That is a lot of LEDs! I have been buying RGY LEDs for$1.95 a hundred.

http://www.mpja.com/listitems.asp?dept=116&main=122

Lets see. $100 /$1.95 = 51+ OR 5,100 of each color. I think for a mode
light you might use 1600 per square.

Let me know when you can get rgB (tri-color) LEDs for that, I can't seem
to find them for less than about $2 each (and that's a whole lot cheaper than a year ago). C #### Clarence_A Jan 1, 1970 0 Anthony Fremont said: Let me know when you can get rgB (tri-color) LEDs for that, I can't seem to find them for less than about$2 each (and that's a whole lot cheaper
than a year ago).

I don't use many tricolors, but when I bought the last lot it was $.71 each. I have no idea what they sell for now! D #### Dantanna Jan 1, 1970 0 You really think it would take that many LED's? The LED's need only illuminate the diffused plastic. I would think one or two with a light tube or some way of projecting the light would work - A #### Anthony Fremont Jan 1, 1970 0 You really think it would take that many LED's? The LED's need only illuminate the diffused plastic. I would think one or two with a light tube or some way of projecting the light would work - I figured it would take at least 9 and possibly 16 to get nice enough illumination over a single quadrant (25cm X 25cm) that you could easily see in sunlight. That may be overkill, but to avoid bright spots, you'll have to cover the tops of the LEDs so that all light striking the panel is reflected. For all I know, simply painting the crown of the LED may be enough, but IMO it will still take somewhat more than one or two LEDs to be practical in daylight. I still cant find any bundles of RGB LEDs for less than 1.80 each. :-( D #### Dantanna Jan 1, 1970 0 So lets say I didn't hack a preexisiting system. What types of circuits and components should I research about making a similar system? Simply put, what are some of the popular tools/components used to control LED's for a disco display? A #### Anthony Fremont Jan 1, 1970 0 Dantanna said: So lets say I didn't hack a preexisiting system. What types of circuits and components should I research about making a similar system? Simply put, what are some of the popular tools/components used to control LED's for a disco display? I would use a microcontroller, but that's me. D #### Don Taylor Jan 1, 1970 0 I would use a microcontroller, but that's me. I noticed in the Discovery store today panels that appeared to be perhaps 10" square and which had various colors that would shift behind the translucent surface with some options for control. Regular price$50, on sale \$30.

Perhaps you have a Discovery store near you or they have similar
prices online.

A

Jan 1, 1970
0
D

#### Dantanna

Jan 1, 1970
0
Thanks - that is exactly what I was looking for. Great site - sadly what
more of the internet used to be like...

Replies
6
Views
1K
R
Replies
3
Views
2K
Richard
R
M
Replies
1
Views
1K
H
Replies
5
Views
1K
M
Replies
5
Views
155