TinyOS
A minimalist RTOS for Cortex-M written in C
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Apr 3, 2026 · 102 upvotes (top 10%) · 0 views
Niche: embedded systems and firmware utilities · 239 launches, 6 in the last 7 days ▼ -65% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 239 launches in embedded systems and firmware utilities →
Could you build this?
No Writing a real-time operating system for ARM Cortex-M requires deep embedded systems knowledge, manual register programming, assembly context switching, and hardware-level memory management.
What it would actually take: A developer needs extensive experience in ARM architecture (specifically Cortex-M NVIC, SysTick, and PendSV interrupt handlers), bare-metal C, and assembly. The stack requires an arm-none-eabi-gcc toolchain, custom linker scripts, and hardware testing on real microcontrollers using debuggers like J-Link or OpenOCD to ensure deterministic task scheduling.
Discussion
20 comments analyzed.
Competitors mentioned: TinyOS (existing sensor networks OS), Ardupilot (control loop example)
Concerns raised: Code never compiled or executed, AI-generated slop without actual testing, Doesn't compile for anyone, No hardware verification (STM32, etc.), Project structure suggests AI generation
Feature requests: Public HN upvote data for slop detection, Curated signal filtering mechanism, Examples of real-world message queue usage
Competitors
Other products that read as similar to this one : 3929 launches clear the similarity bar, closest 8 shown.
Attention rank: #427 of 3930 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 154 days after the earliest competitor.
- Hillock: Local neuro-symbolic memory engine in <1.2GB VRAM · hn · 2026-08-30 · 12 upvotes · similarity 0.69
- Phobos · hn · 2026-07-07 · 11 upvotes · similarity 0.65
- tinysd · github · 2026-10-24 · 78 upvotes · similarity 0.63
- AX · github · 2026-09-22 · 14 upvotes · similarity 0.63
- Nønos · hn · 2025-12-23 · 9 upvotes · similarity 0.61
- TRiP · hn · 2026-04-30 · 38 upvotes · similarity 0.60
- lithos-metal · github · 2026-10-05 · 129 upvotes · similarity 0.60
- LLM Inference Calculator · hn · 2026-08-28 · 6 upvotes · similarity 0.59
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.