support for SK6812WW in WLED_0.8.5_ESP8266.bin

Aircoookie / WLED

Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!

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support for SK6812WW in WLED_0.8.5_ESP8266.bin #437

Closed climy closed 4 years ago

climy commented 4 years ago

I have a SK6812WW string of 300 that has not worked—not even a blink. Several smaller WS2812 RGB strings work fine with the same setup as shown. Test Setup:

ESP-WROOM-02 development board
HTTPUpdater loaded “WLED_0.8.5_ESP8266.bin”
Level shifted with SN74AHCT125N
BTF-LIGHTING RGBW RGBNW Natural White SK6812 (Similar WS2812B) 5m 60leds/Pixels/m from Amazon.
Crafted and verified a neopixel string adapter/interface board
Increase the power limit in LED settings to 30000.
Signal verified by oscilloscope, 5 V data supplied to the Din pin.
Actually now the smaller 30 and 15 neopixel strips run error free--no pixel flickering or glitches that I saw with the resistor on the Din before.
WLED oscilloscope output 1Mhz and 333Khz depending on which trace on the 50Mhz scope--although not sure how to read these.

Next tests: Teensy LC, 5V buffer (pin 17) loaded with example from NeoPixelBus library (which WLED uses): https://github.com/Makuna/NeoPixelBus/blob/master/examples/NeoPixelBrightness/NeoPixelBrightness.inoyour suggested test SK6812 code.

Any comment? RGBW_WS2812 WLED_TEK_out

raoulteeuwen commented 4 years ago

What is the spec of your power supply (V & Amps)? Are you sure your 300 LED strip gets enough power to light up?

climy commented 4 years ago

Thanks for asking. Has anyone shown they can run SK6812 with WLED bin?

I use a 30A 5V Computer Products XL250. It did 6 AMPs draw to a 64 x 64 LED RGB matrix on full white. But also use a small 4A Adafruit adapter, injecting power on one end of the string. Even with a voltage drop, should that work? DSA00431630.pdf

Mariu86 commented 4 years ago

I have 300 sk6812 LEDs working with a 10 amp power supply , I set the amp in wled to 8 amp and it's working without a problem. But the problem with 1 data pin strips is if 1 led it's broken after him all the strip will not work, test the LEDs by moving the data pin and power in the middle of the strip. If WS2812B it's working the SK6812 should work without a problem even if the library it's not for SK6812 you will get random color on sk6812. In the wled setting's for testing set the nr of LEDs to 20-30.

climy commented 4 years ago

Mariu,

Did you compile WLED or upload a .bin file.

Thank you for your input.

climy

From: Mariu86 [mailto:notifications@github.com] Sent: Sunday, December 08, 2019 11:45 PM To: Aircoookie/WLED WLED@noreply.github.com Cc: climy clementine9@cox.net; Author author@noreply.github.com Subject: Re: [Aircoookie/WLED] support for SK6812WW in WLED_0.8.5_ESP8266.bin (#437)

I have 300 sk6812 LEDs working with a 10 amp power supply , I set the amp in wled to 8 amp and it's working without a problem,

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Mariu86 commented 4 years ago

I tried to compile 0.9 version but I get some library error even after I installed all of them I get some duplicate library errors. But I told you if ws2812 it's working the sk6812 must work to.

brentbrooks70 commented 4 years ago

@Mariu86 There is a new library required for 0.9.0, it is ESPAsyncUDP by menodev. It has been added to the getting started in wiki but not the contributors page yet. Duplicate library warnings are no big deal as long as it say they used the esp variants and not the Arduino ones.

Mariu86 commented 4 years ago

I will try tomorrow to see all the errors. Thanks for tips @brentbrooks70, I have a irremote library modified and I must compile myself to use it. Thanks

chiefymuc commented 4 years ago

I had a lot of issues with SK6812WW with the level shifter. Since I removed the level shifter everything is smooth. 280 leds!

climy commented 4 years ago

Any ideas of a reliable supply of RGBW/WW pixels?

To convince myself, a newbie of addressable LED's, assembled string tester No. 2--a Raspberry Pi, "LED bricklet" no code required daemon that allows chip settings and color order direct from a GUI. These 300 pixel, string of SK6812, bought on Amazon just could not work.

300_bad_RGBW Non working string

60_tested_ok working string

60_GRB_pixels Interface with working 60 LEDs.

Recommend closing this issue. It is not the WLED .bin files.

thewavelength commented 4 years ago

@climy have you ever got these specific LED strips to work? I have the same and the same problem you have... Wonder if I have to send them back or if I am just missing something.

climy commented 4 years ago

No. i returned them for a gift card in exchange from Amazon. The supplier, who uses Amazon as the material handling interface, did not try to resolve the issue or verify the product was faulty or I blew them out. I am trying to locate another supply of RGB and white LED's.