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Fri, 31 Jul 2026 00:00:00 +0000

This post exists to prove the content model. Its front matter is only title and date — no draft, no type, no layout, no weight. It landed in a realm index simply by being a markdown file inside content/hardware/.

Delete it whenever you like.

A fenced code block, so syntax highlighting is visible:

#include <stdint.h>

static volatile uint32_t *const GPIO = (uint32_t *)0x40020000;

void toggle(uint8_t pin) {
 GPIO[0] ^= (1u << pin);
}

Long lines inside code blocks scroll horizontally rather than wrapping, which is the only reason the rule exists:

Hardware on Peyton Tai Tran

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