led
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
led [2016/06/07 12:48] – [LED] psykhaze | led [2016/07/10 15:03] (current) – [White / Blue LEDs issue] psykhaze | ||
---|---|---|---|
Line 1: | Line 1: | ||
====== LED ====== | ====== LED ====== | ||
- | {{ :: | + | {{ : |
===== 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 " | + | |
+ | |||
+ | ===== RGB LEDs ===== | ||
+ | |||
+ | 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. | ||
+ | |||
+ | <wrap tip> | ||
+ | |||
+ | |||
+ | ===== 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. | ||
+ | |||
+ | =====LED Matrix===== | ||
+ | |||
+ | {{ :: | ||
led.1465303684.txt.gz · Last modified: 2016/06/07 12:48 by psykhaze