--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd_simulator.py	Tue Mar 05 18:12:15 2024 -0800
@@ -0,0 +1,40 @@
+import asyncio
+import pygame
+import aiomqtt
+import struct
+
+WIDTH = 320
+HEIGHT = 320
+
+pygame.init()
+screen = pygame.display.set_mode((WIDTH, HEIGHT))
+clock = pygame.time.Clock()
+
+
+async def on_message(client, userdata, message):
+    payload = bytes(message.payload)
+    x, y, w, h = struct.unpack("HHHH", payload[:8])
+    buf = payload[8:]
+    for dy in range(h):
+        for dx in range(w):
+            off = w * dy + dx
+            r, g, b = buf[off * 3 : off * 3 + 3]
+            screen.set_at((x + dx, y + dy), (r, g, b))
+
+
+async def main():
+    async with aiomqtt.Client("mqtt2.bigasterisk.com") as client:
+        client.on_message = on_message
+        await client.subscribe('display/squib/updates')
+
+        while True:
+            for event in pygame.event.get():
+                if event.type == pygame.QUIT:
+                    raise SystemExit
+
+            await client.loop_read()
+            pygame.display.flip()
+            clock.tick(60)
+
+
+asyncio.run(main())