Your first project: animated LED art

Let’s make the matrix glow. This works in the block editor or MicroPython — here’s the Python version.

Draw a heart

from bitsflow import display, Color
import time

heart = [
    (1,0),(3,0),
    (0,1),(2,1),(4,1),
    (0,2),(4,2),
    (1,3),(3,3),
    (2,4),
]

while True:
    for b in range(20, 100, 5):
        for x, y in heart:
            display.set_pixel(x, y, Color.RED, brightness=b)
        time.sleep(0.03)

What you learned

• Setting individual pixels with set_pixel
• Using brightness to create a pulse effect
• The basic animation loop

Next up: reading the accelerometer to make your art react to motion.