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936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)
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 Welcome to Syntax!
02:03 Wes’ Hackweek project: a web-controlled LED grid
03:52 The hardware: LED panels, soldering, and power
06:38 ESP32 microcontroller and WLED firmware explained
10:57 Power supply challenges and injection fixes
15:05 Debugging and testing a DIY LED matrix
15:56 Shorts, blown circuits, and melted wires
17:58 Designing and 3D-printing the diffuser for crisp pixels
21:29 The software: Cloudflare Durable Objects + Party Server
22:18 Real-time sync and state management across clients
28:43 Connecting the server to the LED hardware
41:51 Open access fun: scripts, NSFW images, and moderation
44:10 Live demos
45:34 Future plans: stats, rooms, and making it always-on
Hit us up on Socials!
Syntax: X Instagram Tiktok LinkedIn Threads
Wes: X Instagram Tiktok LinkedIn Threads
Scott: X Instagram Tiktok LinkedIn Threads
Randy: X Instagram YouTube Threads
View all episodes
By Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers
4.9
977977 ratings
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 Welcome to Syntax!
02:03 Wes’ Hackweek project: a web-controlled LED grid
03:52 The hardware: LED panels, soldering, and power
06:38 ESP32 microcontroller and WLED firmware explained
10:57 Power supply challenges and injection fixes
15:05 Debugging and testing a DIY LED matrix
15:56 Shorts, blown circuits, and melted wires
17:58 Designing and 3D-printing the diffuser for crisp pixels
21:29 The software: Cloudflare Durable Objects + Party Server
22:18 Real-time sync and state management across clients
28:43 Connecting the server to the LED hardware
41:51 Open access fun: scripts, NSFW images, and moderation
44:10 Live demos
45:34 Future plans: stats, rooms, and making it always-on
Hit us up on Socials!
Syntax: X Instagram Tiktok LinkedIn Threads
Wes: X Instagram Tiktok LinkedIn Threads
Scott: X Instagram Tiktok LinkedIn Threads
Randy: X Instagram YouTube Threads
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