Fun with RGB LED Strips - Part 7: Multiple Strips

While I'm waiting for a new strip to arrive (one 5 m reel), I thought I'd test out multiple instances of my driver. I don't do the whole "delayed gratification" thing very well, so I cut my 1 m strip in half.

It works quite nicely (first time!):

So that's SPI1 and SPI2 running simultaneously (DMA). I'm hoping that I'll have plenty of processor overhead to pull in audio through an ADC port, run an FFT on the data, and use the frequency domain data to drive the LEDs in interesting ways.

(Observant viewers may notice that the very first LED on the "lower" strip in the video (closer to the edge of the breadboard) appears not to be showing all colors. There's something odd going on, but it's neither the LED nor the strip itself - it stays associated with that second line when I swap strips. I'll have to have a look at the output on a 'scope when I have time.)