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Teensy3.1 unusual behavior beyond ~60 leds #545
I loaded up a very simple rainbow test, but the strip behaved rather unusual and i have no possible explanation as to Why.
Apparantly once i ask the library to add more than a certain amount of leds (around 60) on the Teensy it stops working properly with the set amount of leds turning off and the rest showing random colours. Perhaps there is a bug in the Fastled code itself?
This is with fastled release 3.1.6, arduino IDE 1.8.5,Teensyduino 1.4 (and 1.4.1-beta1)
Try disabling interrupts and see if that helps. See https://github.com/FastLED/FastLED/wiki/Interrupt-problems - the ws2813 changed some of the timings around reset, and the code hasn’t been fully updated to account for that (and probably won’t be for a while, still).