Only 1 pixel is lighting up and that's all

[wizard]

Hi @wiebel,
Thats odd, are you sure the data line and not the clock line is connected? What kind of LEDs do you have?

I don’t think that an update would help, but If you want to update Pixelblaze see this post:

How do I update Pixelblaze?

If you have a recent version of Pixelblaze firmware (v2.18 or above, or any V3), you can update right from settings as long as your Pixelblaze is connected to the internet. If you can’t connect your Pixelblaze to the internet or that isn’t working for some reason, you can upload a firmware update file directly. More recent versions of V3 have a nice update tool at /recovery which can be used to update online or offline, and configure WiFi if necessary, and will provide status information durin…