936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

936: Realtime LED Wall With React + Websockets (I Let Strangers Control It)

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Episode
939 of 945
Længde
47M
Sprog
Engelsk
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Fakta

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

WS2812 LED panels

06:38 ESP32 microcontroller and WLED firmware explained

ESP32 Microcontroller

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

Cloudflare Durable Objects

Party.server

22:18 Real-time sync and state management across clients

Party Client

28:43 Connecting the server to the LED hardware

41:51 Open access fun: scripts, NSFW images, and moderation

Cloudflare tunnel

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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