Pulsing LEDs for effeciency, brighter appearance and multiplexed display
Thermal issues with high power LEDs
Driving 8 or 9 7 segment displays with 8 or 9 io pins (and no extra circuitry)
Driving 12 LEDs with 4 uController pins
Driving 20 LEDs with 4 uController pins
Driving multiple bicolor LEDs in a matrix from and embedded controller
I see surface mount LEDs (Panasonic LNJ208R8ARA in DigiKey) that are 0.8 mm wide, and could end-stack on about 1 mm centers. (.04 inches?) Harold
PIC - LED interfacing
SX - LED interfacing
A discussion on wearable, head mounted LED displays
Area lighting with LED lightbulbs
Interfacing to people@
PICList post "How to matrix bicolor LEDs?"
LCD Front Panel Set: 2x16 LCD w/HD44780 controller, 4 push buttons, 3 LEDs and a 2x12 pin header. +
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<A HREF="http://piclist.com/Techref/leds.htm"> Light Emitting Diodes, Rubicon LEDs</A>
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