Embedded

Rickrolling with a Pharmacy cross

A playful hardware write-up: turning a pharmacy LED cross into a scrolling Rickroll display, with wiring notes and the software path.

Blog post · Hardware · Electronics · Fun · Embedded

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