Hello, I have been working on trying to get Hyperion working with my RPI A+ and a strip of 50 WS2801 LEDs. I have a 2Amp power supply for just the LED's and another power supply for the Pi. When I try to set a solid color though Hyperion The lights start flashing random colors along with random parts of the strip turning on and off. I have no idea whats going on, Any information would be great.
Thanks
M10
LED's flashing random colors
- m10653
- Erledigt
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Could you post your config on pastebin and share the link with us please
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can you post the output when you start hyperion and then in a second shell when you send the command to change the colors
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the whole output of the pi when it boots up? Also The command I was using was hyperion-remote --priority 50 --color red --duration 50000
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no after the pi is booted, just restart hyperion manually and post the output
edit: do you see the rainbow effect after booting the pi?
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Yes? I am having trouble restarting Hyperion, sorry not very familiar with Linux.
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yes, the ground lead(blue) is attached to the pi's pin 9.
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hm, thats weird....did you connect the input from the leds? oder the output? you sure you connected clock and data right?
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I think so, I flipped the data and clock leads and it made the whole thing stop working. And Right now I am plugged into the male end of the strip.
Edit: do you think it could be a power issue? ether input voltage 3.3 vs 5v or the ac to dc converter only supplying 2amps?
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maybe the 3.3v could be a problem, but i dont think the 2amps are doing this problem, because then the first few leds should be in the right color
may the first led-chip has a issue?
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might, but it seems to change colors fine. Has the 3.3v been an issue before? This is the strip I am using.
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Has the 3.3v been an issue before?
yes, look here https://hyperion-project.org/t…hip-select.279/#post-2480 -
Would a level shiftier like this work?
Ether
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Update, wired level shiftier into it, failed to fix the problem.
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Hi
Is ground connected between the Pi and the led strip?
Never thought this was going to solve my problem!!!
I was having the same problem with the lights showing random colours. I was ready to throw the towel after multiple tests and then read this. With the exception of a BLUE <--> GREEN swap, everything was ok.Only issue I have now:
Looks like the lights are not refreshing as fast as the image. I run a test file that cycles between RGB, then a spin RGBW, and a spiral, I could notice when the image changes between colours, the lights are slightly behind. What parameter should I change to address this?thanks for your help!
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I forgot to post this but my issue was a bad ground connection to the led strip. Glad it worked out for you eltanque.
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God you sorted it - thanks for the follow up !
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