Expand browser editor runtime and LED simulation workflows.

Add Docker deployment support, richer Selenium/LED pattern tests, in-browser diagnostics, responsive UI improvements, and 16x16 panel simulation tooling to speed iteration and hardware-style prototyping.

Made-with: Cursor

workspace/code/panel16_rainbow_wave.py

@@ -0,0 +1,33 @@
+"""16x16 rainbow wave animation."""
+
+from machine import Pin
+import neopixel
+import time
+
+from panel16_utils import PANEL_H, PANEL_W, clamp8, xy_to_index
+
+
+np = neopixel.NeoPixel(Pin(4), PANEL_W * PANEL_H)
+
+
+def wheel(pos: int) -> tuple[int, int, int]:
+    pos = 255 - (pos & 255)
+    if pos < 85:
+        return (clamp8(255 - pos * 3), 0, clamp8(pos * 3))
+    if pos < 170:
+        pos -= 85
+        return (0, clamp8(pos * 3), clamp8(255 - pos * 3))
+    pos -= 170
+    return (clamp8(pos * 3), clamp8(255 - pos * 3), 0)
+
+
+for frame in range(240):
+    for y in range(PANEL_H):
+        for x in range(PANEL_W):
+            color_pos = ((x * 10) + (y * 6) + frame * 5) & 255
+            np[xy_to_index(x, y)] = wheel(color_pos)
+    np.write()
+    time.sleep(0.04)
+
+np.fill((0, 0, 0))
+np.write()