I'd suggest choosing a pixel IC type that supports data backup via an additional (4th) wire. In case of single pixel failure, this should allow the remainder of the string to keep working. Some examples of pixels that support this are:
GS8208 (DC12V)
WS2815 (DC12V)
WS2813 (DC5V)
WS2818 also...
Update: Our server IP has been unblocked by Microsoft and emails are once more sending to Outlook.com accounts A-OK.
Let's see how long it lasts this time...
To members using Outlook.com email: As at February 2025, AusChristmasLighting mail is once again being blocked by Microsoft. They have been notified that this block is in error. Based on the message received after each failed email, Microsoft appear to be blocking a range of IPs from our server...
The HC3-* is a family of HUB75 output standalone LED panel controllers that are programmed over WiFI or USB thumb drive with 1 to 4 outputs depending on the model.