Add multi-panel Pico UDP firmware and Python LED control.

Pico panels get static IPs on 10.1.1.10–14 with per-panel LED counts, Makefile deploy targets, and Python examples for animations, sync tests, and direct Pi SPI control.

Co-authored-by: Cursor <cursoragent@cursor.com>

examples/panel_animations.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+"""Run LED matrix animations on Pico panel(s) over UDP."""
+
+from __future__ import annotations
+
+import argparse
+import sys
+
+from leds.panel_udp import (
+    add_panel_args,
+    animation_playlist,
+    format_panel_targets,
+    panel_targets_from_args,
+    run_panel_animation_loop,
+    run_panel_playlist,
+)
+
+
+def main() -> int:
+    from leds.animations import ANIMATIONS
+
+    names = list(ANIMATIONS.keys())
+    parser = argparse.ArgumentParser(description="Animations for Pico panel(s) over UDP")
+    parser.add_argument(
+        "animation",
+        nargs="?",
+        choices=names + ["all"],
+        default="all",
+    )
+    add_panel_args(parser)
+    parser.add_argument("--duration", type=float, default=12.0)
+    parser.add_argument("--fps", type=float, default=None)
+    parser.add_argument("--once", action="store_true")
+    args = parser.parse_args()
+
+    targets = panel_targets_from_args(args)
+    playlist = animation_playlist(args.animation)
+    print(f"Panel animations -> {format_panel_targets(targets, args.port)}")
+    print(f"Playlist: {', '.join(playlist)}")
+
+    try:
+        if len(playlist) == 1 and args.animation != "all":
+            run_panel_animation_loop(
+                targets,
+                args.port,
+                playlist[0],
+                fps=args.fps,
+                brightness=args.brightness,
+                panel_id=args.panel_id,
+            )
+        else:
+            run_panel_playlist(
+                targets,
+                args.port,
+                playlist,
+                duration=args.duration,
+                fps_override=args.fps,
+                brightness=args.brightness,
+                panel_id=args.panel_id,
+                loop=not args.once,
+            )
+    except KeyboardInterrupt:
+        print("\nStopped.")
+    except OSError as exc:
+        print(f"Network error: {exc}", file=sys.stderr)
+        return 1
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())