Questions tagged [ws2812]

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NeoPixel library slow with large number of WS2812B LEDs (Raspi3)

Noob here, I am currently working with a 10m long strip of 144LED/m density LEDs. The problem is with such a high number of LEDs loops (like a color wipe for example or filling LEDs one after another) ...
2
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1answer
41 views

Need Help with Controlling Some LEDs with a Raspberry Pi

I'm mainly trying to follow this guide here in order to connect some LEDs to a Raspberry Pi. I've read other guides as well, but this link is where I got the majority of my setup done. I've never used ...
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1answer
51 views

RAM Usage of Neopixels: How many can I power with a Raspberry Pi

I am building LED Matrix's with Adafruit Neopixels, and I read somewhere that the amount of pixels you can control is limited to how much RAM you have on your controlling device, in this case, a "...
2
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106 views

Raspberry Pi 3B+ with LEDs WS2812B and speaker

I just started making my first project with Raspberry Pi 3 Model B+ and I found an amazing tutorial ("https://tutorials-raspberrypi.com/connect-control-raspberry-pi-ws2812-rgb-led-strips/"). I am ...
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1answer
421 views

sudo with WS2812 and Raspberry Pi

I'm trying to use the Neopixel Adafruit library with the WS2812 strip. Everything works great however there is something that I have not been able to do. I'm working on a project that requires ...
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1answer
923 views

Adafruit Neopixel library slows down code

I am trying to link WS2812 with the HC-SR04 sensor. My aim is to change the color of the leds depending on the distance the sensor measures. I am using the Adafruit Neopixel library for controlling ...
2
votes
1answer
227 views

Control two RGB LED Strips from Raspberry pi

I've connected two rgb strips(WS2812B) to raspberry pi. Each strip consists of 60 LEDs. The first strip data line is connected to GPIO pin number 18 & Second strip data line is connected to GPIO ...