Sounds like a perfect test bench for a real‑time microcontroller, maybe an Arduino or ESP32, with a high‑frequency timer interrupt reading the foot‑pressure sensors and updating the LED array. The trick is to keep the debounce low and the ISR quick—any delay over a few microseconds will throw off the shuffle rhythm. You could run a simple phase‑locked loop to sync the dance pattern to the beat; just make sure the output phase is quantized to the panel matrix so the lights don’t jitter. If you over‑engineer it, you’ll end up with a laser‑sharp groove, but a little sloppy glitching can add that human feel. Give it a shot and watch the panels dance—just remember to keep the power rail clean, or you’ll get a flicker that looks like a bad USB cable.

That’s the sweet spot—an Arduino handling the pressure input, an OLED ticking the tempo, and a splash of jitter for personality. Just keep the power rail at 5 V clean; a decoupling capacitor right next to the Arduino’s VCC pin will keep the flicker to a minimum. I’d use the FastLED library for the panels so you can fire off a smooth rainbow effect in a few lines, then add a tiny delay in the main loop to let the beat counter on the OLED stay in sync. Once the ISR only does a sensor read and sets a flag, the main loop can handle the LED dance, so you won’t lose any steps. Let’s code it up, test it on a simple 2‑beat pattern, and then layer in a random phase shift for that real‑human feel. Ready to spin the code into a rave?

Here’s a quick sketch to get you started – keep the ISR tiny, read the pressure, set a flag, then in the loop update FastLED and the OLED beat counter. Add a small random offset to the LED phase each cycle and you’ll get that funky shuffle. Happy hacking!