936

Author: avclark

shows/936 - Realtime LED Wall With React + Websockets (I Let Strangers Control It).md

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+---
+number: 936
+title: "Realtime LED Wall With React + Websockets (I Let Strangers Control It)"
+date: 1757502000000
+url: https://traffic.megaphone.fm/FSI9050594969.mp3
+youtube_url: https://www.youtube.com/watch?v=4r0tS9xstzM
+---
+
+Scott, Wes, and CJ dive into Wes’s Hackweek project: a real-time, web-controlled LED grid. They break down the hardware build, custom 3D-printed diffuser, ESP32 microcontroller, and Cloudflare durable objects powering live pixel art, GitHub activity displays, and interactive web drawings.
+
+### Show Notes
+
+* **[00:00](#t=00:00)** Welcome to Syntax!
+* **[02:03](#t=02:03)** Wes’ Hackweek project: a web-controlled LED grid
+* **[03:52](#t=03:52)** The hardware: LED panels, soldering, and power  
+  - [WS2812 LED panels](https://www.amazon.com/s?k=WS2812+led+panels&crid=3QK4XZNYSG63J)
+* **[06:38](#t=06:38)** ESP32 microcontroller and WLED firmware explained  
+  - [ESP32 Microcontroller](https://www.amazon.com/s?k=esp+32+microcontroller)
+* **[10:57](#t=10:57)** Power supply challenges and injection fixes
+* **[15:05](#t=15:05)** Debugging and testing a DIY LED matrix
+* **[15:56](#t=15:56)** Shorts, blown circuits, and melted wires
+* **[17:58](#t=17:58)** Designing and 3D-printing the diffuser for crisp pixels
+* **[21:29](#t=21:29)** The software: Cloudflare Durable Objects + Party Server  
+  - [Cloudflare Durable Objects](https://developers.cloudflare.com/durable-objects/)  
+  - [Party.server](https://docs.partykit.io/reference/partyserver-api/)
+* **[22:18](#t=22:18)** Real-time sync and state management across clients  
+  - [Party Client](https://docs.partykit.io/reference/partysocket-api/)
+* **[28:43](#t=28:43)** Connecting the server to the LED hardware
+* **[41:51](#t=41:51)** Open access fun: scripts, NSFW images, and moderation
+  - [Cloudflare tunnel](https://local.wesbos.com/)
+* **[44:10](#t=44:10)** Live demos
+* **[45:34](#t=45:34)** Future plans: stats, rooms, and making it always-on
+
+### Hit us up on Socials!
+
+Syntax: [X](https://twitter.com/syntaxfm) [Instagram](https://www.instagram.com/syntax_fm/) [Tiktok](https://www.tiktok.com/@syntaxfm) [LinkedIn](https://www.linkedin.com/company/96077407/admin/feed/posts/) [Threads](https://www.threads.net/@syntax_fm)
+
+Wes: [X](https://twitter.com/wesbos) [Instagram](https://www.instagram.com/wesbos/) [Tiktok](https://www.tiktok.com/@wesbos) [LinkedIn](https://www.linkedin.com/in/wesbos/) [Threads](https://www.threads.net/@wesbos)
+
+Scott: [X](https://twitter.com/stolinski) [Instagram](https://www.instagram.com/stolinski/) [Tiktok](https://www.tiktok.com/@stolinski) [LinkedIn](https://www.linkedin.com/in/stolinski/) [Threads](https://www.threads.net/@stolinski)
+
+Randy: [X](https://twitter.com/randyrektor) [Instagram](https://www.instagram.com/randyrektor/) [YouTube](https://www.youtube.com/@randyrektor) [Threads](https://www.threads.net/@randyrektor)