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

Jaksot(975)

911: Browsers in 2025: Whats up with Arc, Dia, Firefox, Chrome and Opera GX?

911: Browsers in 2025: Whats up with Arc, Dia, Firefox, Chrome and Opera GX?

Scott and Wes break down the state of web browsers in 2025, from the rise and fall of Arc and the fate of Firefox to hot takes on Opera GX, Raycast, and why power users might not be profitable. They c...

16 Kesä 202547min

910: If Statements in CSS?

910: If Statements in CSS?

Wes and Scott talk about the new If statements in CSS, breaking down how they work, why they matter, and when to use them. They explore use cases, syntax quirks, and how this feature pushes CSS closer...

11 Kesä 202524min

909: Handling and Throwing Errors

909: Handling and Throwing Errors

We break down how to properly throw, catch, and log errors in JavaScript and TypeScript. They cover client-side and server-side strategies, using tools like Sentry, and how to handle errors without ta...

9 Kesä 202539min

908: Storybook Has Evolved w/ Jeppe Reinhold

908: Storybook Has Evolved w/ Jeppe Reinhold

Wes and Scott talk with Jeppe Reinhold about Storybook 9’s powerful new features—including drastically reduced bloat, seamless Vite integration, and next-level component testing. They dive into visual...

4 Kesä 202550min

907: Wes’ New Site: Gatsby → React Server Components

907: Wes’ New Site: Gatsby → React Server Components

Wes rebuilt his personal site from Gatsby to a modern stack using Waku, React Server Components, and Cloudflare Workers — all while keeping the same design. Scott and Wes break down the pain points wi...

2 Kesä 202544min

906: Tech Startups and Raising Money with Dan Levine (Vercel, Sentry, Mux…)

906: Tech Startups and Raising Money with Dan Levine (Vercel, Sentry, Mux…)

Wes and Scott talk with VC Dan Levine about how developers can raise venture capital, what investors look for in early-stage startups, the realities of bootstrapping vs. fundraising, and why great ide...

28 Touko 202556min

905: You Should Learn Nuxt!

905: You Should Learn Nuxt!

CJ steps in for Scott and joins Wes to share his experience working with Nuxt, from routing and data fetching to the pros and cons of the framework. They break down the Nuxt ecosystem, directory struc...

26 Touko 202527min

904: React vs Svelte × Windsurf Worth $3B × Typescript as Const × Layout Shift Tricks × More

904: React vs Svelte × Windsurf Worth $3B × Typescript as Const × Layout Shift Tricks × More

In this potluck episode of Syntax, Wes and CJ answer your questions about OpenAI’s $3B Windsurf acquisition, the evolving role of UI in an AI-driven world, why good design still matters, React vs. Sve...

21 Touko 202551min

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