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

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 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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774: Promise Flow Control, Concurrency, Libraries, TypeScript and Deferreds - Part 3

774: Promise Flow Control, Concurrency, Libraries, TypeScript and Deferreds - Part 3

In today’s episode, Scott and Wes dive into the final part of our JavaScript Promises series, covering deferred promises, fetch, flow control, concurrency with libraries like p-map and p-limit, and in...

27 Maj 202420min

773: React Native with Robin Heinze

773: React Native with Robin Heinze

Scott and Wes dish out a feast with Robin Heinze from Infinite Red, diving into the world of React Native. They discuss how React Native differs from other webview platforms, highlight popular apps bu...

24 Maj 202457min

772: React Server Components with PHP, Selling Accessibility, WTF is Cloudflare + more

772: React Server Components with PHP, Selling Accessibility, WTF is Cloudflare + more

In this Potluck episode of Syntax, Scott and Wes tackle community questions on handling overwork, teaching programming to family, and React’s Server Components. They also discuss quantifying accessibi...

22 Maj 202459min

771: Promises: Error Handling, Aborts, and Helper Methods - Part 2

771: Promises: Error Handling, Aborts, and Helper Methods - Part 2

We’re diving into part 2 of our 3-part series on Promises, focusing on error handling, aborts, and essential helper methods. We’ll explore how to manage errors effectively and improve performance with...

20 Maj 202421min

770: Design Systems With Brad Frost (Rereleased)

770: Design Systems With Brad Frost (Rereleased)

In this revisited supper club episode, Wes and Scott talk with Brad Frost about how to implement design systems in small and large scale projects, best practices around naming things, keeping everythi...

17 Maj 202459min

769: React Miami Live Show

769: React Miami Live Show

Welcome to a special live edition of Syntax, recorded at React Miami! Join Scott and Wes as they dish out games galore, from Spot the Syntax Error to JS or NAYS, all while engaging with the audience i...

15 Maj 202434min

768: React 19 is here!

768: React 19 is here!

Scott and Wes serve up all the deets on the latest React 19 update, exploring new features like actions, web components, use()API, and document metadata. Stay tuned as they discuss the ins and outs of...

13 Maj 202426min

767: Local First and TypeScript’s Missing Library with Johannes Schickling

767: Local First and TypeScript’s Missing Library with Johannes Schickling

In this episode, Scott and Wes dive into the world of local-first apps with Johannes Schickling, the mastermind behind Prisma. From databases, WASM for non-JS, to authentication challenges, they explo...

10 Maj 202456min

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