# LEDs **URL:** https://community.sparkfun.com/c/components-and-accessories/leds-illumination-lasers/57.md?page=1 [Latest](https://community.sparkfun.com/latest.md) · [Categories](https://community.sparkfun.com/categories.md) · [Tags](https://community.sparkfun.com/tags.md) **Page:** 2 --- ## [rechargeable, battery-powered task light](https://community.sparkfun.com/t/rechargeable-battery-powered-task-light/47074)
**Author:** [@XYZ\_Studio](https://community.sparkfun.com/u/XYZ_Studio)\ **Replies:** 5\ **Last updated:** [March 8, 2024, 1:48am UTC](https://community.sparkfun.com/t/rechargeable-battery-powered-task-light/47074 "2024-03-08T01:48:59Z")
Hi folks, I’m building a rechargeable, battery-powered task light (my first electronics project). Would love help evaluating my approach. Here are the components I’m planning to use: For the charging station: — USB-C … --- ## [Soldering Headers to Lumenati 8-Stick?](https://community.sparkfun.com/t/soldering-headers-to-lumenati-8-stick/47069)
**Author:** [@Reuniters](https://community.sparkfun.com/u/Reuniters)\ **Replies:** 2\ **Last updated:** [March 6, 2024, 10:02pm UTC](https://community.sparkfun.com/t/soldering-headers-to-lumenati-8-stick/47069 "2024-03-06T22:02:09Z")
Hello. I am a highschooler in a business class and we are constructing a project using the Lumenati LEDS and I wanted to solder a single 8-stick ( COM-14359) to headers so we could attach it to wires and then to a redboa… --- ## [How to attach light pipe to plastic enclosure?](https://community.sparkfun.com/t/how-to-attach-light-pipe-to-plastic-enclosure/46979)
**Author:** [@pcbzzz](https://community.sparkfun.com/u/pcbzzz)\ **Replies:** 1\ **Last updated:** [February 17, 2024, 9:24pm UTC](https://community.sparkfun.com/t/how-to-attach-light-pipe-to-plastic-enclosure/46979 "2024-02-17T21:24:52Z")
Hello, How can a led pipe be attached to a plastic enclosure as shown in picture below, So far I am planning to just drill a hole in the enclosure using dimension from data sheet and gluing the pipe to plastic. Than… --- ## [Enquire in Technical Parameters of SparkFun Lumenati 8-stick](https://community.sparkfun.com/t/enquire-in-technical-parameters-of-sparkfun-lumenati-8-stick/46950)
**Author:** [@Sakthinathan](https://community.sparkfun.com/u/Sakthinathan)\ **Replies:** 2\ **Last updated:** [February 14, 2024, 9:49am UTC](https://community.sparkfun.com/t/enquire-in-technical-parameters-of-sparkfun-lumenati-8-stick/46950 "2024-02-14T09:49:45Z")
Hello Spark Fun Team, Have a Good Day! I have some doubts about the below Product link please clarify it for further steps. https://www.sparkfun.com/products/14359 1, How long is the warranty valid? and Long Term Ava… --- ## [RGB wiring question](https://community.sparkfun.com/t/rgb-wiring-question/46922)
**Author:** [@bellaireroad](https://community.sparkfun.com/u/bellaireroad)\ **Replies:** 1\ **Last updated:** [February 8, 2024, 3:02pm UTC](https://community.sparkfun.com/t/rgb-wiring-question/46922 "2024-02-08T15:02:57Z")
Hello, I would like to replace the LED in my nautical compass with an RGB. The boat runs on a 12 V system. I already have a Lumitec controller for volt change and brightness. I have been searching and found several site… --- ## [12V Illuminated Toggle Swith for 2 LED Lights at less than 40' away](https://community.sparkfun.com/t/12v-illuminated-toggle-swith-for-2-led-lights-at-less-than-40-away/46895)
**Author:** [@SPFN-1](https://community.sparkfun.com/u/SPFN-1)\ **Replies:** 1\ **Last updated:** [February 1, 2024, 6:47pm UTC](https://community.sparkfun.com/t/12v-illuminated-toggle-swith-for-2-led-lights-at-less-than-40-away/46895 "2024-02-01T18:47:26Z")
Hi, will the built-in LED burn out if it receives 15V instead of 12V? The reason I think I need 15V is because the LED lights the switch is going to be used with are possibly 25 to 35 feet away from the switch and so I w… --- ## [Using Sparkfun DMX Shield with ESP32 WROOM](https://community.sparkfun.com/t/using-sparkfun-dmx-shield-with-esp32-wroom/46832)
**Author:** [@Immuc](https://community.sparkfun.com/u/Immuc)\ **Replies:** 0\ **Last updated:** [January 22, 2024, 8:10am UTC](https://community.sparkfun.com/t/using-sparkfun-dmx-shield-with-esp32-wroom/46832 "2024-01-22T08:10:17Z")
Hello, i just bought the “SparkFun ESP32 Thing Plus DMX to LED Shield” and just saw that the shield is only useable with the ESP32 Thing Plus. I actually bought an ESP32 Wroom Dev board from you a while ago and am wonde… --- ## [RGB LED 'OWire' COM-21209 issue with Attiny](https://community.sparkfun.com/t/rgb-led-owire-com-21209-issue-with-attiny/46750)
**Author:** [@CafeParts](https://community.sparkfun.com/u/CafeParts)\ **Replies:** 2\ **Last updated:** [January 8, 2024, 11:31pm UTC](https://community.sparkfun.com/t/rgb-led-owire-com-21209-issue-with-attiny/46750 "2024-01-08T23:31:31Z")
Hi, I am trying to get the OWire LED COM-21209 to work on a Attiny84. All it does it flash white. I suspect the issue is that the Attiny mcu don’t have serial build in and the speed of the communication is to high. Is th… --- ## [APA106 / WS281x - Flicker and non-flicker](https://community.sparkfun.com/t/apa106-ws281x-flicker-and-non-flicker/46550)
**Author:** [@FreddyBirch](https://community.sparkfun.com/u/FreddyBirch)\ **Replies:** 2\ **Last updated:** [November 30, 2023, 10:47am UTC](https://community.sparkfun.com/t/apa106-ws281x-flicker-and-non-flicker/46550 "2023-11-30T10:47:36Z")
Hello! I have been fiddling around with the addressable LED for some years now, and it’s really neat to use in different projects, but the biggest problem i have had so far is that when connecting several in a row, all … --- ## [SMD LED - RGB WS2812B (Whole Reel) Total Length](https://community.sparkfun.com/t/smd-led-rgb-ws2812b-whole-reel-total-length/46569)
**Author:** [@Jvon](https://community.sparkfun.com/u/Jvon)\ **Replies:** 1\ **Last updated:** [November 29, 2023, 6:19pm UTC](https://community.sparkfun.com/t/smd-led-rgb-ws2812b-whole-reel-total-length/46569 "2023-11-29T18:19:16Z")
Hello World! What’s the total (uncut) length of the SMD LED - RGB WS2812B (Whole Reel). Thanks! --- ## [Help with LED RGB Strip - Addressable, 1m (APA102) with microbit/gatorbit](https://community.sparkfun.com/t/help-with-led-rgb-strip-addressable-1m-apa102-with-microbit-gatorbit/46357)
**Author:** [@00\_dal10.org](https://community.sparkfun.com/u/00_dal10.org)\ **Replies:** 2\ **Last updated:** [October 15, 2023, 12:45pm UTC](https://community.sparkfun.com/t/help-with-led-rgb-strip-addressable-1m-apa102-with-microbit-gatorbit/46357 "2023-10-15T12:45:52Z")
Hello! I have just purchased ten of these strips for student projects in my classroom. I can’t get them to light up in any way. I’ve tried everything using the Yellow GRD, Red +, Green D1 (data) hooked up to the gatorbi… --- ## [3-watt LED](https://community.sparkfun.com/t/3-watt-led/46218)
**Author:** [@SUNREST](https://community.sparkfun.com/u/SUNREST)\ **Replies:** 6\ **Last updated:** [September 26, 2023, 11:43am UTC](https://community.sparkfun.com/t/3-watt-led/46218 "2023-09-26T11:43:25Z")
I bought (5 ) 3-watt LEDs from Spark Fun that was cool white, part number com. 13105. This LED gives off a yellowish light and has a wavelength of 6,000 to 7,000 I don’t understand why it gives of yellowish light when it… --- ## [LED - RGB Addressable - COM-12986](https://community.sparkfun.com/t/led-rgb-addressable-com-12986/46236)
**Author:** [@jedgt](https://community.sparkfun.com/u/jedgt)\ **Replies:** 1\ **Last updated:** [September 20, 2023, 12:38pm UTC](https://community.sparkfun.com/t/led-rgb-addressable-com-12986/46236 "2023-09-20T12:38:20Z")
Hello Sparkfun I would like to use your product COM-12986, however I cannot find the footprint dimensions. Where can I find the dimensions for COM-12986? If you cannot provide this information then can you tell us the… --- ## [RGB Rotary encoder button](https://community.sparkfun.com/t/rgb-rotary-encoder-button/46105)
**Author:** [@gomisensei](https://community.sparkfun.com/u/gomisensei)\ **Replies:** 1\ **Last updated:** [August 28, 2023, 8:15pm UTC](https://community.sparkfun.com/t/rgb-rotary-encoder-button/46105 "2023-08-28T20:15:40Z")
I have a https://www.sparkfun.com/products/15141 encoder (plus the breakout board). The button/switch does not seem to be working, i’ve attached a pulldown resistor of 7.5K to the switch output and wired it to GPIO6, and… --- ## [50ch. DMX control (+power) to pixel tape?](https://community.sparkfun.com/t/50ch-dmx-control-power-to-pixel-tape/45863)
**Author:** [@mmkohl](https://community.sparkfun.com/u/mmkohl)\ **Replies:** 1\ **Last updated:** [July 4, 2023, 7:18pm UTC](https://community.sparkfun.com/t/50ch-dmx-control-power-to-pixel-tape/45863 "2023-07-04T19:18:32Z")
Hi SparkFun tribe! I’m Michael, an indie musician who’s seven-months-new to lighting but constantly inspired to push forward. I have an idea that I’d love some expert guidance in actualizing. I emailed SparkFun this afte… --- ## [Cathode LED](https://community.sparkfun.com/t/cathode-led/45850)
**Author:** [@kslifter](https://community.sparkfun.com/u/kslifter)\ **Replies:** 4\ **Last updated:** [July 3, 2023, 4:03am UTC](https://community.sparkfun.com/t/cathode-led/45850 "2023-07-03T04:03:21Z")
I am building a mouse and it is my first big electronics project and it calls for (2) 3mm bi-color Cathode LEDs, but I didn’t see any LEDs on the site that were labeled as Cathode that matched what the LEDs in the projec… --- ## [Looking for help with programmable LED](https://community.sparkfun.com/t/looking-for-help-with-programmable-led/45834)
**Author:** [@StudioLou](https://community.sparkfun.com/u/StudioLou)\ **Replies:** 1\ **Last updated:** [June 29, 2023, 4:05am UTC](https://community.sparkfun.com/t/looking-for-help-with-programmable-led/45834 "2023-06-29T04:05:26Z")
Hi guys – I’ve been working with the MinM from ThingM, which is a tiny programmable RGB LED capable of programming with Arduino and then running standalone light scripts. I’ve been working with a master jeweler and have … --- ## [Create a Series with 3v Battery + HapticVibrator + Capacitor + Resistor](https://community.sparkfun.com/t/create-a-series-with-3v-battery-hapticvibrator-capacitor-resistor/45614)
**Author:** [@noseas](https://community.sparkfun.com/u/noseas)\ **Replies:** 5\ **Last updated:** [June 20, 2023, 8:31pm UTC](https://community.sparkfun.com/t/create-a-series-with-3v-battery-hapticvibrator-capacitor-resistor/45614 "2023-06-20T20:31:38Z")
Good morning, I seek help in creating a circuit powered by a 3v battery to make an intermittent/randomized buzz and blinking led light. I still think electricity is magical and mysterious, but I do know how to connect … --- ## [Loop breaking w Qwiic LED and Lidar](https://community.sparkfun.com/t/loop-breaking-w-qwiic-led-and-lidar/45656)
**Author:** [@mmann1123](https://community.sparkfun.com/u/mmann1123)\ **Replies:** 3\ **Last updated:** [June 4, 2023, 6:36pm UTC](https://community.sparkfun.com/t/loop-breaking-w-qwiic-led-and-lidar/45656 "2023-06-04T18:36:41Z")
I am using the redboard qwiik, qwiic led stick, and lidar lite v4. I am new to arduino/C++ but have lots of python experience. I am having one major issue and one minor one: Using the following code to change LED colo… --- ## [FemtoBuck LED Driver COM-13716](https://community.sparkfun.com/t/femtobuck-led-driver-com-13716/45621)
**Author:** [@HallDIs](https://community.sparkfun.com/u/HallDIs)\ **Replies:** 5\ **Last updated:** [May 26, 2023, 4:35pm UTC](https://community.sparkfun.com/t/femtobuck-led-driver-com-13716/45621 "2023-05-26T16:35:31Z")
I think your FemtoBuck LED Driver, COM-13716 is what I want. I have a Cree MX3AWT-A1-0000-000E50 surface mount LED. It has a forward voltage of 3.7 volts, and a forward current of 350 ma. It has a power rating of 2 watts… --- ## [\[DEV-15110\] DMX to LED](https://community.sparkfun.com/t/dev-15110-dmx-to-led/45664)
**Author:** [@ruig25](https://community.sparkfun.com/u/ruig25)\ **Replies:** 0\ **Last updated:** [May 25, 2023, 1:24pm UTC](https://community.sparkfun.com/t/dev-15110-dmx-to-led/45664 "2023-05-25T13:24:51Z")
Hi! I want to use Product DEV-15110 DMX to LED shield to control LuMini LED Ring x 20 LEDs and I have some questions please. May be someone can advise before I order many of them :slight\_smile: Can I connect x26 of sh… --- ## [FemtoBuck LED Driver, COM-13716](https://community.sparkfun.com/t/femtobuck-led-driver-com-13716/45639)
**Author:** [@HallDIs](https://community.sparkfun.com/u/HallDIs)\ **Replies:** 0\ **Last updated:** [May 22, 2023, 7:31pm UTC](https://community.sparkfun.com/t/femtobuck-led-driver-com-13716/45639 "2023-05-22T19:31:39Z")
I am not sure how to ask my question. There seems to be pages of account sign in info to ask a question? I think your FemtoBuck LED Driver, COM-13716 is what I want. I have a Cree MX3AWT-A1-0000-000E50 surface mount LED… --- ## [Driving "OWire" LEDs (COM-21209)](https://community.sparkfun.com/t/driving-owire-leds-com-21209/45351)
**Author:** [@ppelleti](https://community.sparkfun.com/u/ppelleti)\ **Replies:** 1\ **Last updated:** [March 29, 2023, 6:51pm UTC](https://community.sparkfun.com/t/driving-owire-leds-com-21209/45351 "2023-03-29T18:51:28Z")
Hi, I have a question about the \[OWire LEDs. The \[example schematic shows driving the LEDs from a 5V supply without a current limiting resistor. However, in the “Features” tab of the \[product page, it says “Forward Vol… --- ## [32x64 RGB LED matrix (COM-14718) 16x16 block of dead blue pixels](https://community.sparkfun.com/t/32x64-rgb-led-matrix-com-14718-16x16-block-of-dead-blue-pixels/45199)
**Author:** [@Joe\_Oh](https://community.sparkfun.com/u/Joe_Oh)\ **Replies:** 1\ **Last updated:** [February 23, 2023, 9:53pm UTC](https://community.sparkfun.com/t/32x64-rgb-led-matrix-com-14718-16x16-block-of-dead-blue-pixels/45199 "2023-02-23T21:53:25Z")
I bought a 32x64 matrix (COM-14718) and it has a block of 16x16 pixels on the lower left corner where the blue LEDs don’t light. The red and green, and the blue on the upper half work fine. Only when writing to the B2 i… --- ## [Assistance with DMX output](https://community.sparkfun.com/t/assistance-with-dmx-output/45189)
**Author:** [@Daedal81](https://community.sparkfun.com/u/Daedal81)\ **Replies:** 1\ **Last updated:** [February 23, 2023, 12:49am UTC](https://community.sparkfun.com/t/assistance-with-dmx-output/45189 "2023-02-23T00:49:07Z")
I am attempting to use the Sparkfun DMX shield with an ESP32 Thing Plus. I’m trying to output a pixel map to a single strip of leds (170). I can use FastLed’s examples to test the leds and Cylon/RGB test work just fine … --- ## [Neopixel RGBW Ring](https://community.sparkfun.com/t/neopixel-rgbw-ring/45172)
**Author:** [@Savemeeee](https://community.sparkfun.com/u/Savemeeee)\ **Replies:** 1\ **Last updated:** [February 22, 2023, 9:46pm UTC](https://community.sparkfun.com/t/neopixel-rgbw-ring/45172 "2023-02-22T21:46:33Z")
I’m trying to figure out how to use neopixels, everything I’ve seen so far just says use libraries, well first off, I don’t know how to use libraries and secondly, I’m trying to do a specific effect with the 16 LED Neopi… --- ## [EL Escudo Dos (almost) short circuit on AC from inverter" pins](https://community.sparkfun.com/t/el-escudo-dos-almost-short-circuit-on-ac-from-inverter-pins/45174)
**Author:** [@Thokari](https://community.sparkfun.com/u/Thokari)\ **Replies:** 4\ **Last updated:** [February 20, 2023, 9:52pm UTC](https://community.sparkfun.com/t/el-escudo-dos-almost-short-circuit-on-ac-from-inverter-pins/45174 "2023-02-20T21:52:44Z")
Hi, I am using this part and for some reason I am measuring 1.8 kohms between the two pins of the “AC from inverter” input socket. Since I also have a brand new one, that doesn’t show that low a resistance between the t… --- ## [ESP32 Thing Plus S2 WROOM and Thing Plus DMX to LED Shield](https://community.sparkfun.com/t/esp32-thing-plus-s2-wroom-and-thing-plus-dmx-to-led-shield/45141)
**Author:** [@PhotonCommander](https://community.sparkfun.com/u/PhotonCommander)\ **Replies:** 9\ **Last updated:** [February 20, 2023, 5:24pm UTC](https://community.sparkfun.com/t/esp32-thing-plus-s2-wroom-and-thing-plus-dmx-to-led-shield/45141 "2023-02-20T17:24:40Z")
Hello all, After a very crushing and frustrating weekend with my new toys I’m turning to the forums for support. I’ve read through as many posts about the SparkFun ESP32 Thing Plus DMX to LED Shield as I could find. I’v… --- ## [Use LumiDrive with Arduino?](https://community.sparkfun.com/t/use-lumidrive-with-arduino/44412)
**Author:** [@braddo](https://community.sparkfun.com/u/braddo)\ **Replies:** 4\ **Last updated:** [February 2, 2023, 10:39pm UTC](https://community.sparkfun.com/t/use-lumidrive-with-arduino/44412 "2023-02-02T22:39:45Z")
I cannot find a board file for LumiDrive to use with Arduino. CircuitPython won’t work for my use case. Can a different board file be used? I used the Redboard Turbo since that also uses SAMD21 but so far no luck. Not s… --- ## [Resistor needed?](https://community.sparkfun.com/t/resistor-needed/37466)
**Author:** [@Leoman456](https://community.sparkfun.com/u/Leoman456)\ **Replies:** 8\ **Last updated:** [January 31, 2023, 4:48am UTC](https://community.sparkfun.com/t/resistor-needed/37466 "2023-01-31T04:48:27Z")
I’ve decided to buy the slow cycling RGB LED ( 3mm version) (COM-11448) but I’m a bit unsure of something. I know typical LEDs usually require a current limiting resistor to prevent LED burnout from excessive current dra… [Previous page](https://community.sparkfun.com/c/components-and-accessories/leds-illumination-lasers/57.md) [Next page](https://community.sparkfun.com/c/components-and-accessories/leds-illumination-lasers/57.md?page=2)