LED Headquarters
You have found Evil Mad Science LED Headquarters-- the big list of LEDs available from our shop: LED matrix displays, alphanumeric displays, huge seven-segment displays, discrete LEDs small and big, RGB LEDs, and more!


10 mm Superbright Diffused-lens LEDs

Our best 10 mm superbright LEDs, available in a variety of colors and package sizes. These LEDs come with translucent white diffused lenses for high visibility. Click here for specs (PDF).

10 mm LEDs

10 mm diffused-lens LEDs
Qty 10 Qty 50 Qty 100 Qty 640
Blue $7
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$20
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$33
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$160
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Green $6
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$17
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$28
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$135
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White $7
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$20
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$33
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$160
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Red $5
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$12.50
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$20
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$92
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Orange $5
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$12.50
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$20
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$92
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Yellow $5
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$12.50
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$20
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$92
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10 mm LED Assortments
 
A huge bundle of diffused-lens 10 mm ultrabright LEDs. 175 LEDs each in Red, Green, Blue, and White; a grand total of 700 LEDs. You can use this, for example, to fill up a Peggy 2 with big fat 2x2 RGBW pixels. (Example here.)

10 mm Diffused LED Assortment
  175 each: Red, Green, Blue, White
$150



10 mm RGB LEDs

10-mm LEDs with four leads, common-anode configuration. Big, bright, and beautiful. Now available in both diffused-lens and clear-lens varieties!

PDF Quick info here; PDF datasheet here.

10 mm RGB LED

10 mm Diffused Lens RGB LEDs, in common-anode configuration.

10 mm Diffused RGB LEDs
Quantity 10 50 100
Color: RGB $10 $30 $45
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10 mm Clear Lens RGB LEDs, in common-anode configuration.

10 mm Clear Lens RGB LEDs
Quantity 10 50 100
Color: RGB $10 $30 $45
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5 mm RGB LEDs

Diffused-lens 5-mm LEDs with four leads, available in either common-anode or common-cathode configuration. Perfect for when you don't have quite enough room for those big 10 mm guys above.

PDF Quick info here; PDF datasheet here.

5 mm RGB LED

Diffused-lens 5-mm LEDs with four leads, common-anode configuration.

5 mm Diffused RGB LEDs: common-anode
Quantity 10 50 100
Color: RGB $8 $25 $42
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Diffused-lens 5-mm LEDs with four leads, common-cathode configuration.

5 mm Diffused RGB LEDs: common-cathode
Quantity 10 50 100
Color: RGB $8 $25 $42
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Single-color 5 mm LED selections

5 mm ("standard size") superbright LEDs with clear lenses. Available in a variety of colors and quantities. Click here for specs (PDF).

5 mm clear-lens LEDs
Qty 10 Qty 50 Qty 100 Qty 640
White $4
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$11
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$18
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$80
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Blue $4
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$11
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$18
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$80
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Green $4.25
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$12
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$20
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$90
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Red $7
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$20
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$33
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$170
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Ultraviolet $4.25
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Infrared $6
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Additional 5 mm LEDs can be found on our garage sale page.


3 mm Diffused-lens LEDs
 
These little LEDs are useful for just about anything. Among other things, we use the yellow ones for the auxiliary LEDs for the Meggy Jr RGB. The red or blue ones can also be used in place of the standard yellow ones for a nice upgrade to your Meggy Jr RGB!
3 mm Red Diffused LEDs -- New!
  package of 10
$3
3 mm Yellow Diffused LEDs
  package of 10
$3
3 mm Blue Diffused LEDs -- New!
  package of 10
$4


1.8 mm Diffused-lens LEDs -- New!
When 3 mm just isn't small enough!
The round lens of these LEDs is 1.8 mm (0.071") in diameter, and the rectangular part is only 2.4 mm (.095") wide. That means that you can stack these tiny guys right next to each other with 0.1" spacing, for example on perfboard or solderless breadboards. Seriously bright.

One pack contains ten each of red, yellow and green LEDs.

LEDs on Breadboard

Super "breadboard" LED pack!
  1.8 mm Diffused LEDs
  10 red, 10 yellow and 10 green
$5


LED Sampler Pack
 
Contains one each of 10 mm diffused lens red, yellow, green, blue and white; one each of 5 mm clear lens green, blue and white; and one 3 mm diffused lens yellow.
LED Sampler Pack
  package of 9 assorted
$2.50


Alphanumeric LED Displays

17-segment alphanumeric displays with 0.8" digit height in ultrabright red.
You can read more about these displays here.

(2.3" alphanumeric displays are now available too! click here!)

17-segment display
17-Segment alphanumeric displays, Red
Quantity 1 5
Price $3 $10
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Seven-segment LED displays
 
Single-digit seven-segment LED displays. Freaking huge single-digit seven-segment LED displays, that is. Twelve-inch digit height (yes, 12 inches). Ultrabright red. Each digit has is lit by a grand total of 435 LED elements, spread across seven segments and a decimal point.
 
Read more about these displays here.

12" digit height 7-segment LED display
  Ultrabright red
$55


LED matrix displays


8x8 RGB LED Matrix Display

The same display used in Meggy Jr RGB! Contains 64 LEDs each in red, green, and blue-- 192 LEDs total. (Awesome, but a lot of signals to wrangle!) Meggy Jr RGB with 8x8 RGB matrix
  • 5 mm LED dot diameter. Diffused lenses for good color blending, black border.
  • 2.37" square (60.2 mm square) overall size. Easy to tile. Socket compatible.
  • Brand new, superbright, and lead-free (RoHS compliant).
  • Betlux model BL-M23B881RGB-11; download PDF datasheet here.
8x8 RGB LED Matrix Display $20 Add item to Shopping Cart

Quantity discount. 5+: $18 each, 20+: $16 each, 100+: $15 each.



8x8 Red LED Matrix Display

Single-color 8x8 LED matrix display in the same form factor as the 8x8 RGB matrix. Very bright "ultra red" display. Red 8x8 Matrix Display
  • 5 mm LED dot diameter. Diffused lenses, black border.
  • 2.37" square (60.2 mm square) overall size. Easy to tile. Socket compatible.
  • Brand new, ultrabright, and lead-free (RoHS compliant).
  • Betlux model BL-M23B881UHR-11; download PDF datasheet here.
8x8 Red LED Matrix Display $7 Add item to Shopping Cart


5x7 Red/Green Bicolor LED Matrix Display

Very bright bicolor 5x7 LED matrix display with the same dot size and pitch as the 8x8 displays above. 5x7 Bicolor Display
  • 5 mm LED dot diameter. Diffused lenses for good color mixing, black border.
  • 1.49" x 2.09" (53.1 mm x 37.8 mm) overall size. Easy to tile. Socket compatible.
  • Brand new, ultrabright, and lead-free (RoHS compliant).
  • Betlux model BL-M20F571DUG-11; download PDF datasheet here.
5x7 Red/Green LED Matrix Display $8 Add item to Shopping Cart


BIG 5x7 Green LED Matrix Display

This huge display is 3" x 4.17" (76 mm x 106 mm). Each pixel is 10 mm in diameter and contains two green LEDs connected in series. 5x7 Bicolor Display
  • 10 mm LED dot diameter. Diffused lenses, black border.
  • Big, sturdy, easy to tile.
  • Surplus item in excellent condition.
  • Did we mention that it's huge?
  • Rohm model EC40-11GWB; download PDF datasheet here.

Big 5x7 Green LED Matrix Display $10 Add item to Shopping Cart


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