Blinking a Blue Pill LED with Rust, from scratch

A from-scratch Blue Pill walkthrough in Rust without a HAL: wiring and flashing, the reset vector, volatile GPIO writes, delay loops, and the assumptions a working blink can hide.

Tutorial · Rust · Hardware · Embedded · Tutorial

Writing Rust code that's faster than state-of-the-art libraries by asking agents to make the code faster

Max Woolf shows how iterative agentic coding—prompting agents to repeatedly speed up Rust code—produced solutions faster than established libraries, with concrete methodology and caveats.

Tutorial · Rust · Programming · AI Agents · Performance

Testing WebGPU data layouts with Facet

Matt Keeter shows how Facet reflection plus naga lets Rust unit tests catch WGSL/Rust struct layout mismatches—padding on mat3x3, dynamic arrays, and field offsets—before GPU hangs force a reboot.

Tutorial · Rust · Programming · Tutorials · Hardware