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Connecting the Octo's ground to the V- terminal on the power supply fixed it, thanks for the feedback everyone.

Thanks, it's starting to make more sense. My setup has involved the Teensy powered by USB and connected to the data pin of the LED strand, whereas the strand's power and ground are connected to the 5V power supply. Therefore I should connect the OctoWS2811's ground to the power supply, correct...

Thanks for the tips, I thought that the OctoWS2811 buffers the output signal but does it need something extra to produce a 5V data signal? I haven't connected anything from the strip to the Teensy or Octo grounds, I have a power supply (Meanwell NES-100-5) that the grounds are connected to. I'll...

I suppose, one of the LED strips with the problem was from Alitove, probably this one: https://alitove.com/products/alitove-ws2812b-led-strip-16-4ft-150-leds Is Alitove a trustworthy brand? Has anyone else used them with a Teensy? I had them work fine when they were connected to this...

I have a Teensy 4.0 connected to an OctoWS2811 adapter that I plan to use to drive some LEDs. I loaded the BasicTest_RGBW program and plugged it into a strand of WS2812B LEDs. It appeared to work fine, displaying pixels in six different colors (and some unlit pixels) that change every couple...

That makes sense, it would explain the connection issues. Micro USB feels like one of the weaker links on many small devices like the Pi, I've wondered why Mini-USB isn't used instead. Because micro cords are more common for use as phone chargers?

I got a new cable and tried it, no such luck. The original location of the Teensy was next to some power cords so I tried plugging it into another USB port where it was far away from any other running devices, had the same problems. I got a new Teensy and set it up in the location where I was...

I appreciate the ideas, I don't think it's heat-related as there wasn't much heat in the workspace and the problem persists after the Teensy has been unplugged and set aside for over a day. Thanks for suggesting syslog Paul, I checked it and plugging in the Teensy creates a tidal wave of error...

I've been doing some tests using a Teensy 3.2 and OctoWS2811 to drive LEDs. I had the combined boards sitting on top of a 5V power supply (Meanwell NES-100-5) and it worked fine like this for a long time. Then I unplugged the power supply and replugged it and the Teensy stopped working...

Hi, haven't gotten to try it yet but will in the near future, although not with RGBW diodes. Thanks for these contributions.

Hello, I have a question about VideoDisplay. I've attached its code below for clarity. I'm working on a program that I want to be able to send graphics to be displayed on an LED panel via an OctoWS2811. My code is able to send the character commands like * and ? as well as the little-endian usec...