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tinysd

Dependency-free C library for SD cards and SDIO on embedded and bare-metal systems.

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GITHUB · launched Oct 24, 2026 · 78 upvotes (top 18%)

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Could you build this?

No A bare-metal SD and SDIO driver depends on the specific MCU's peripherals, timing, and electrical behavior. Correct operation can only be validated on real hardware by someone who understands the datasheets.

What it would actually take: A real version needs embedded C expertise and the SD Physical Layer and SDIO specs. The work also requires hands-on testing on multiple MCU and card combinations, with logic analyzers and oscilloscopes to debug timing and signal-integrity issues.

Competitors

Other products that read as similar to this one : 2466 launches clear the similarity bar, closest 8 shown.

Attention rank: #499 of 2467 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 358 days after the earliest competitor.

Other launches for this product