led
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led [2016/06/08 14:59] – [RGB LEDs] psykhaze | led [2016/07/10 15:03] (current) – [White / Blue LEDs issue] psykhaze | ||
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====== LED ====== | ====== LED ====== | ||
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===== Introduction ===== | ===== Introduction ===== | ||
- | LED is an industry acronym for **Light Emitting Diode**. These are usually small little " | + | LED is an industry acronym for **Light Emitting Diode**. These are usually small little " |
- | That's also a generic term used for the lighted display on calculators and other numeric displays; they are made up of 7 distinct straight line " | + | //(most common colors |
- | LCDs emulate this pattern style, though they are NOT diodes. The first to use the style was the " | ||
- | ===== White / Blue LEDs issue ===== | ||
- | It has been proven recently that the use of **high brightness White and Blue LEDs are not good to human sight**. The output light spectrum for these LEDs is some harsh for the eye. You should prefer using other colors LEDs or not using them too much. | ||
===== RGB LEDs ===== | ===== RGB LEDs ===== | ||
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RGB (Red Green Blue) or multicolor LEDs can be serial driven by a core32. Some tests have already been made with **WS2812 ( APA106 )** LEDs and a core STM32 through J4B Pin. | RGB (Red Green Blue) or multicolor LEDs can be serial driven by a core32. Some tests have already been made with **WS2812 ( APA106 )** LEDs and a core STM32 through J4B Pin. | ||
- | Original Forum Thread here: [[http:// | + | <wrap tip>Original Forum Thread here: [[http:// |
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+ | ===== White / Blue LEDs issue ===== | ||
+ | |||
+ | It has been proven recently that the use of **high brightness White and Blue LEDs are not good to human sight**. The output light spectrum for these LEDs is some harsh for the eye. You should prefer using other colors LEDs or not using them too much. | ||
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+ | =====LED Matrix===== | ||
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+ | {{ :: | ||
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led.txt · Last modified: 2016/07/10 15:03 by psykhaze