Visualizza wikitesto di LED RGB WS2812 (Intelligente - Indirizzabile - Neopixel)

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[[File:RGB WS2812.jpg|thumb|260px|right|]] [https://www.sparkfun.com/products/10820 (  Individually Addressable LED, Neopixel, Intelligent LED )]

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== [https://learn.sparkfun.com/tutorials/ws2812-breakout-hookup-guide WS2812 Breakout Hookup Guide] ==

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class="c33"><p class="c8"><span class="c21">Note: There is no welding between each pixel lamp beads, if you want them work togehter, you need welding by yourself</span></p>

== [[File:Ws2812 soldered ring thumb 1.jpg|thumb|400px|left|top]] [http://www.wolfgang-ziegler.com/blog/cosplay-arc-reactor] ==

<h3 class="c8 c36" id="h.wbvg4nrneej9"><span class="c30">Product Description</span></h3><p class="c8"><span class="c12">PIN function</span></p><a id="t.475f9049a75be51c03dc11520c844ead51b86f6f"></a><a id="t.0"></a><table class="c27"><tbody><tr class="c6"><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">NO.</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Symbol</span></p></td><td class="c15" colspan="1" rowspan="1"><p class="c5"><span class="c2">Function description</span></p></td></tr><tr class="c6"><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">1</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">VDD</span></p></td><td class="c15" colspan="1" rowspan="1"><p class="c4"><span class="c2">Power supply LED</span></p></td></tr><tr class="c6"><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">2</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">DOUT</span></p></td><td class="c15" colspan="1" rowspan="1"><p class="c4"><span class="c2">Control data signal output</span></p></td></tr><tr class="c6"><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">3</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">VSS</span></p></td><td class="c15" colspan="1" rowspan="1"><p class="c4"><span class="c2">Ground</span></p></td></tr><tr class="c6"><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">4</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">DIN</span></p></td><td class="c15" colspan="1" rowspan="1"><p class="c4"><span class="c2">Control data signal input</span></p></td></tr></tbody></table><p class="c8"><span class="c12">&nbsp;</span></p><p class="c8"><span class="c12">Absolute Maximum Ratings</span></p><a id="t.88864f560f10c0d06fd374fe3140eef860ab160a"></a><a id="t.1"></a><table class="c27"><tbody><tr class="c6"><td class="c23" colspan="1" rowspan="1"><p class="c5"><span class="c2">Prameter</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Symbol</span></p></td><td class="c1" colspan="1" rowspan="1"><p class="c5"><span class="c2">Ratings</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">Unit</span></p></td></tr><tr class="c6"><td class="c23" colspan="1" rowspan="1"><p class="c5"><span class="c2">Power supply voltage</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c17 c11">DD</span></p></td><td class="c1" colspan="1" rowspan="1"><p class="c5"><span class="c2">+3.5~+5.3</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">V</span></p></td></tr><tr class="c6"><td class="c23" colspan="1" rowspan="1"><p class="c5"><span class="c2">Input voltage</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c17 c11">I</span></p></td><td class="c1" colspan="1" rowspan="1"><p class="c5"><span class="c2">-0.5~VDD+0.5</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">V</span></p></td></tr><tr class="c6"><td class="c23" colspan="1" rowspan="1"><p class="c5"><span class="c2">Operation junction temperature</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Topt</span></p></td><td class="c1" colspan="1" rowspan="1"><p class="c5"><span class="c2">-25~+80</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c9">&nbsp;</span></p></td></tr><tr class="c6"><td class="c23" colspan="1" rowspan="1"><p class="c5"><span class="c2">Storage temperature range</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Tstg</span></p></td><td class="c1" colspan="1" rowspan="1"><p class="c5"><span class="c2">-40~+105</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c9">&nbsp;</span></p></td></tr></tbody></table><p class="c8"><span class="c12">Electrical Characteristics(T</span><span class="c11">A</span><span class="c12">=-20~+70,V</span><span class="c11">DD</span><span class="c12">=4.5~5.5V,V</span><span class="c11">SS</span><span class="c12">=0V,unless otherwise specified)</span></p><a id="t.db314c2c0a95907f8e5d53b366cca37d18621c0f"></a><a id="t.2"></a><table class="c27"><tbody><tr class="c6"><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">Prameter</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Smybol</span></p></td><td class="c26" colspan="1" rowspan="1"><p class="c5"><span class="c2">conditions</span></p></td><td class="c31" colspan="1" rowspan="1"><p class="c5"><span class="c2">Min</span></p></td><td class="c22" colspan="1" rowspan="1"><p class="c5"><span class="c2">Tpy</span></p></td><td class="c32" colspan="1" rowspan="1"><p class="c5"><span class="c2">Max</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">Unit</span></p></td></tr><tr class="c6"><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">Input current</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">I</span><span class="c17 c11">I</span></p></td><td class="c26" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c11">I</span><span class="c12">=V</span><span class="c11">DD</span><span class="c12">/V</span><span class="c17 c11">SS</span></p></td><td class="c31" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c22" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c32" colspan="1" rowspan="1"><p class="c5"><span class="c2">&plusmn;1</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">&micro;A</span></p></td></tr><tr class="c6"><td class="c25" colspan="1" rowspan="2"><p class="c5"><span class="c2">Input voltage level</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c17 c11">IH</span></p></td><td class="c26" colspan="1" rowspan="1"><p class="c5"><span class="c12">D</span><span class="c11">IN</span><span class="c2">,SET</span></p></td><td class="c31" colspan="1" rowspan="1"><p class="c5"><span class="c12">0.7V</span><span class="c17 c11">DD</span></p></td><td class="c22" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c32" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">V</span></p></td></tr><tr class="c6"><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c17 c11">IL</span></p></td><td class="c26" colspan="1" rowspan="1"><p class="c5"><span class="c12">D</span><span class="c11">IN</span><span class="c2">,SET</span></p></td><td class="c31" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c22" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c32" colspan="1" rowspan="1"><p class="c5"><span class="c12">0.3 V</span><span class="c17 c11">DD</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">V</span></p></td></tr><tr class="c6"><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">Hysteresis voltage</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">V</span><span class="c17 c11">H</span></p></td><td class="c26" colspan="1" rowspan="1"><p class="c5"><span class="c12">D</span><span class="c11">IN</span><span class="c2">,SET</span></p></td><td class="c31" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c22" colspan="1" rowspan="1"><p class="c5"><span class="c2">0.35</span></p></td><td class="c32" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">V</span></p></td></tr></tbody></table><p class="c8"><span class="c12">Switching characteristics(T</span><span class="c11">A</span><span class="c12">=-20~+70,V</span><span class="c11">DD</span><span class="c12">=4.5~5.5V,V</span><span class="c11">SS</span><span class="c12">=0V,unless otherwise specified) </span></p><a id="t.7c109438e77aedd075d32d5a9c48c635a6b959bc"></a><a id="t.3"></a><table class="c27"><tbody><tr class="c6"><td class="c28" colspan="1" rowspan="1"><p class="c5"><span class="c2">Prameter</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c2">Symbol</span></p></td><td class="c24" colspan="1" rowspan="1"><p class="c5"><span class="c2">Condition</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">Min</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">Tpy</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">Max</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">Unit</span></p></td></tr><tr class="c6"><td class="c28" colspan="1" rowspan="1"><p class="c5"><span class="c2">Transmission delay time</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">t</span><span class="c17 c11">PLZ</span></p></td><td class="c24" colspan="1" rowspan="1"><p class="c4"><span class="c2">CL=15pF,DIN&rarr;</span></p><p class="c4"><span class="c2">DOUT,RL=10K&omega;</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">300</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">ns</span></p></td></tr><tr class="c6"><td class="c28" colspan="1" rowspan="1"><p class="c5"><span class="c2">Fall time</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">t</span><span class="c17 c11">THZ</span></p></td><td class="c24" colspan="1" rowspan="1"><p class="c4"><span class="c2">CL=300pF,OUTR/OUTG/OUTB</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">120</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">&micro;s</span></p></td></tr><tr class="c6"><td class="c28" colspan="1" rowspan="1"><p class="c5"><span class="c2">Input capcity</span></p></td><td class="c3" colspan="1" rowspan="1"><p class="c5"><span class="c12">C</span><span class="c11 c17">I</span></p></td><td class="c24" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c13" colspan="1" rowspan="1"><p class="c5"><span class="c2">&mdash;&mdash;</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">15</span></p></td><td class="c0" colspan="1" rowspan="1"><p class="c5"><span class="c2">pF</span></p></td></tr></tbody></table><p class="c8"><span class="c12">&nbsp;</span></p><p class="c8"><span class="c12">RGB IC characteristic parameter</span></p><a id="t.c3bdda79eec1eb57036170fe27ec41cacd33645a"></a><a id="t.4"></a><table class="c27"><tbody><tr class="c6"><td class="c29" colspan="1" rowspan="1"><p class="c5"><span class="c2">Emitting color</span></p></td><td class="c14" colspan="1" rowspan="1"><p class="c5"><span class="c2">Model</span></p></td><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">Wavelength(nm)</span></p></td><td class="c7" colspan="1" rowspan="1"><p class="c5"><span class="c2">Luminous intensity(mcd)</span></p></td><td class="c18" colspan="1" rowspan="1"><p class="c5"><span class="c2">Voltage(V)</span></p></td></tr><tr class="c6"><td class="c29" colspan="1" rowspan="1"><p class="c5"><span class="c2">Red</span></p></td><td class="c14" colspan="1" rowspan="1"><p class="c5"><span class="c2">13CBAUP</span></p></td><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">620-625</span></p></td><td class="c7" colspan="1" rowspan="1"><p class="c5"><span class="c2">390-420</span></p></td><td class="c18" colspan="1" rowspan="1"><p class="c5"><span class="c2">2.0-2.2</span></p></td></tr><tr class="c6"><td class="c29" colspan="1" rowspan="1"><p class="c5"><span class="c2">Green</span></p></td><td class="c14" colspan="1" rowspan="1"><p class="c5"><span class="c2">13CGAUP</span></p></td><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">522-525</span></p></td><td class="c7" colspan="1" rowspan="1"><p class="c5"><span class="c2">660-720</span></p></td><td class="c18" colspan="1" rowspan="1"><p class="c5"><span class="c2">3.0-3.4</span></p></td></tr><tr class="c6"><td class="c29" colspan="1" rowspan="1"><p class="c5"><span class="c2">Blue</span></p></td><td class="c14" colspan="1" rowspan="1"><p class="c5"><span class="c2">10R1MUX</span></p></td><td class="c25" colspan="1" rowspan="1"><p class="c5"><span class="c2">465-467</span></p></td><td class="c7" colspan="1" rowspan="1"><p class="c5"><span class="c2">180-200</span></p></td><td class="c18" colspan="1" rowspan="1"><p class="c5"><span class="c2">3.0-3.4</span></p></td></tr></tbody></table><p class="c8"><span class="c12">Data transfer time( TH+TL=1.25&micro;s&plusmn;600ns) </span></p><a id="t.aeb13ed9f09eee9a5331d7e8f58398037a65a2d7"></a><a id="t.5"></a><table class="c27"><tbody><tr class="c6"><td class="c20" colspan="1" rowspan="1"><p class="c5"><span class="c2">T0H</span></p></td><td class="c10" colspan="1" rowspan="1"><p class="c5"><span class="c2">0 code ,high voltage time</span></p></td><td class="c16" colspan="1" rowspan="1"><p class="c5"><span class="c2">0.4us</span></p></td><td class="c19" colspan="1" rowspan="1"><p class="c5"><span class="c2">&plusmn;150ns</span></p></td></tr><tr class="c6"><td class="c20" colspan="1" rowspan="1"><p class="c5"><span class="c2">T1H</span></p></td><td class="c10" colspan="1" rowspan="1"><p class="c5"><span class="c2">1 code ,high voltage time</span></p></td><td class="c16" colspan="1" rowspan="1"><p class="c5"><span class="c2">0.8us</span></p></td><td class="c19" colspan="1" rowspan="1"><p class="c5"><span class="c2">&plusmn;150ns</span></p></td></tr><tr class="c6"><td class="c20" colspan="1" rowspan="1"><p class="c5"><span class="c2">T0L</span></p></td><td class="c10" colspan="1" rowspan="1"><p class="c5"><span class="c2">0 code , low voltage time</span></p></td><td class="c16" colspan="1" rowspan="1"><p class="c5"><span class="c2">0.85us</span></p></td><td class="c19" colspan="1" rowspan="1"><p class="c5"><span class="c2">&plusmn;150ns</span></p></td></tr><tr class="c6"><td class="c20" colspan="1" rowspan="1"><p class="c5"><span class="c2">T1L</span></p></td><td class="c10" colspan="1" rowspan="1"><p class="c5"><span class="c2">1 code ,low voltage time</span></p></td><td class="c16" colspan="1" rowspan="1"><p class="c5"><span class="c2">0.45us</span></p></td><td class="c19" colspan="1" rowspan="1"><p class="c5"><span class="c2">&plusmn;150ns</span></p></td></tr><tr class="c6"><td class="c20" colspan="1" rowspan="1"><p class="c5"><span class="c2">RES</span></p></td><td class="c10" colspan="1" rowspan="1"><p class="c5"><span class="c2">low voltage time</span></p></td><td class="c16" colspan="1" rowspan="1"><p class="c5"><span class="c2">Above 50&micro;s</span></p></td><td class="c19" colspan="1" rowspan="1"><p class="c5"><span class="c9">&nbsp;</span></p></td></tr></tbody></table><p class="c8"><span class="c34 c35">&nbsp;</span></p><p class="c8"><span class="c12">I.Features and Benefits </span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Intelligent reverse connect protection, the power supply reverse connection does not damage the IC.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The control circuit and the LED share the only power source.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Control circuit and RGB chip are integrated in a package of 5050 components, form a complete control of pixel point.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Built-in signal reshaping circuit, after wave reshaping to the next driver, ensure wave-form distortion not accumulate.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Built-in electric reset circuit and power lost reset circuit.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color display, and scan frequency not less than 400Hz/s.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cascading port transmission signal by single line.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any two point the distance more than 5m transmission signal without any increase circuit.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;When the refresh rate is 30fps, cascade number are not less than1024 points.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Send data at speeds of 800Kbps.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The color of the light were highly consistent, cost-effective.. </span></p><p class="c8"><span class="c34">&nbsp;</span></p><p class="c8"><span class="c12">II.Applications &nbsp;</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Full-color module, Full color soft lights a lamp strip.</span></p><p class="c8"><span class="c12">l &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LED decorative lighting, Indoor/outdoor LED video irregular screen.</span></p><p class="c8"><span class="c12">III.General description</span></p><p class="c8"><span class="c12">WS2812B is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. It internal include intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal oscillator and a 12V voltage programmable constant curre-nt control part, effectively ensuring the pixel point light color height consistent.</span></p><p class="c8"><span class="c12">The data transfer protocol use single NZR communication mode. After the pixel power-on reset, the DIN &nbsp;port receive data from controller, the first pixel collect initial 24bit data then sent to the internal data latch, &nbsp; the other data which reshaping by the internal signal reshaping amplification circuit sent to the next cascade &nbsp;pixel through the DO port. After transmission for each pixel,the signal to reduce 24bit. pixel adopt auto resha-ping transmit technology, making the pixel cascade number is not limited the signal transmission, only depend on the speed of signal transmission.</span></p><p class="c8"><span class="c12">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LED with low driving voltage, environmental protection and energy saving, high brightness, scattering angle is large, good consistency, low power, long life and other advantages. The control chip integrated in LED &nbsp; above becoming more simple circuit, small volume, convenient installation.</span></p><p class="c8"><span class="c34">&nbsp;</span></p><p class="c8"><span class="c12">Package Included:</span></p><p class="c8"><span class="c12 c35">20-1000Pcs WS2812B CHIP Built-in Heatsink Board (100pcs/board)</span></p><p class="c8 c37"><span></span></p></body></html>



== Tutorials ==
*[https://learn.adafruit.com/adafruit-neopixel-uberguide/individual-neopixels The Magic of NeoPixels]

*[https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds Light-Emitting Diodes (LEDs)]
*[http://propmakergen.blogspot.it/2016/03/rgb-led-tutorial.html RGB Led Tutorial]


[[Category:Actuator]]