BlinkStick Pro ignoring Channels

Support
#1

Hi there,

just upgraded from a Blinkstick Flex to a Pro. I’m trying to address a total of 106 LEDs (WS2812b Strips).
64 of them are connected to the R Channel, and the rest (42) to the G Channel.
The LED Strips are connected to a Power Supply.
My Problem is, that nomatter what i do, the Blinkstick just uses the LED’s from Channel R.
If i set a Test-Notification in the Blinkstick Client (2.0-rc10), LEDs: 0 to 41, Channel: G it will use this Effect on the LEDs 1 to 42 on the R Channel.
I testet the B Channel aswell - no difference.
The LED Stripes are working, testet both on Channel R and no Probleme here.

In my own Tool that uses Blinkstick .NET Library, the Stick behaves the same.

// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
Device.SetColors(1, colors);
// Does not Set Colors on Channel one, instead it does it on Channel 0

Any Idea how to fix that?
Thanks for your help :slight_smile:

Greetings Andreas

#2

Hi Andreas,

That’s weird. Can you please show me your wiring?

#3

Hi arvydas,

Here’s the Stick:
https://i.imgur.com/WJAoZt0.jpg
The Gray Cable is the GND from the Power Supply, Red is LED Strip 1, Blue the 2nd.
If i swap blue and red, LED Strip 2 is working, but 1 not.

Heres a schematic of my wiring:
https://i.imgur.com/QKquAik.jpg
i set it up like in the tutorial section described.

#4

Thanks for the schematic, your wiring looks good. I’ll test your setup on Monday with the latest version of the library and will let you know.

#5

Hi arvydas,

did you found something out ? :slight_smile:

#6

I can confirm that client application does not work and will look into this, however I picked up the latest source from Github for the BlinkStickDotNet library https://github.com/arvydas/BlinkStickDotNet and it works as expected.

I tested with the following sample code which turns on the LEDs red on the R channel for 1s and then does the same for G channel.

using System;
using BlinkStickDotNet;
using System.Threading;

namespace BlinkStickProChannels
{
    class Program
    {
        static void SetColor(BlinkStick device, byte channel, byte r, byte g, byte b)
        {
            byte[] data = new byte[3 * 8]; 

            for (int i = 0; i < data.Length / 3; i++)
            {
                data[i * 3] = g;
                data[i * 3 + 1] = r;
                data[i * 3 + 2] = b;
            }

            device.SetColors(channel, data);
            Thread.Sleep(20);
        }

        static void Main(string[] args)
        {
            Console.WriteLine("Set indexed color frame. \r\nThis example requires BlinkStick Pro with 8 smart pixels connected to R channel.\r\n");

            BlinkStick device = BlinkStick.FindFirst();

            if (device != null)
            {
                if (device.OpenDevice())
                {
                    SetColor(device, 0, 255, 0, 0);
                    Thread.Sleep(1000);
                    SetColor(device, 0, 0, 0, 0);

                    SetColor(device, 1, 255, 0, 0);
                    Thread.Sleep(1000);
                    SetColor(device, 1, 0, 0, 0);
                }
                else
                {
                    Console.WriteLine("Could not open the device");
                }
            }
            else
            {
                Console.WriteLine("BlinkStick not found");
            }
        }

    }
}
#7

Hi arvydas,

i can confirm that it works with the latest version of your Library.
I must had a too old Version :(.
Thanks for the quick Support! And have a nice day.

Greetings
Andreas