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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Episoder(1021)

1021: We got addicted to an AI model we can't talk about

1021: We got addicted to an AI model we can't talk about

Dax Raad, co-founder of OpenCode, joins Scott and Wes to talk remote dev servers, OpenCode 2.0, and why his team is “addicted” to AI models they’re not even allowed to name yet. Show Notes 00:00 In...

15 Jul 51min

1020: Do You Read The Code?

1020: Do You Read The Code?

Auto-accept on, brain off? We’re getting into whether anyone actually reads the code they ship anymore — then it’s HTTP’s first new method in 16 years (meet QUERY) and OpenAI’s compute-hungry “Sol Ult...

13 Jul 1h 27min

1019: LGTM, Ship It: The AI Code Review Problem

1019: LGTM, Ship It: The AI Code Review Problem

This episode tackles the growing pains of AI-assisted development, from the struggle of reviewing thousands of lines of agent-generated code to the mounting technical debt when teams merge PRs without...

8 Jul 39min

1018: Google fires Workspace CLI Creator

1018: Google fires Workspace CLI Creator

Google fires the engineer behind its Workspace CLI tool, OpenAI previews GPT-5.6 with three new model tiers, and Astro 7 lands with a full Rust rewrite. Plus: Coinbase cuts token costs with smarter ro...

6 Jul 1h 17min

1017, We need to stop calling it “AI”

1017, We need to stop calling it “AI”

Scott and Wes raid the listener mailbag to settle the pnpm vs. npm debate, decode how web standards sneak into your browser, and ask the big one: is “AI” even intelligent, or just fancy autocomplete? ...

1 Jul 56min

1016: More Bots Than Humans

1016: More Bots Than Humans

Wes, Scott, and CJ break down the latest web dev news. From AI agents and coding tools to Deno Desktop, Nub, and predictive UX. They also discuss bot-filled social media, remote work debates, and a sl...

29 Jun 1h 23min

1015: Browsers and UIs are dead. Everything is chat

1015: Browsers and UIs are dead. Everything is chat

Is the web dead, or just evolving? Wes Bos breaks down his JS Nation Amsterdam talk on agentic interfaces, why chat won’t replace everything, how Web MCP lets agents interact with your existing sites,...

24 Jun 17min

1014: Anthropic doesn’t use AI

1014: Anthropic doesn’t use AI

Scott, Wes, and CJ reunite fresh off a trip to Amsterdam to chat conferences, burnout, and whether Anthropic actually uses AI. They also dig into a packed bag of sick picks and tech news, including HT...

22 Jun 1h 32min

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