I got a Neopixel strip, got it running with an Arduino Uno (simple sketches for colors and LED sequences).
Now, I want to try the same on the Tessel, but so far, I can't get something blinking. I tried to wire the strip with VCC +3.3V from the GPIO bank, and GPIO pin 3 from module A. The sketch is the same as in https://forums.tessel.io/t/tessel-and-breadboards/500/7
This setup looks roughly as in the screenshot.
Do you have some hints, what code to try, or what I could be missing in the schematics?