Rust for billions of MCUs

⚓ Rust    📅 2025-08-02    👤 surdeus    👁️ 11      

surdeus

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I am posting on this board because it's more about the roadmap of the Rust language.
I have been working on an IoT platform that brings Apps to the IoT world. Apps are designed to be "write once, run everywhere." There is no need to address the benefit of running Apps that interact with the world locally on devices.
The Typescript API and implementation have already been finalized. But it is hard to make decisions on the Rust implementation.
The Microcontrollers are very resource-limited (a few hundred KB of RAM/ROM). The design needs to aim for maximum code reuse. But Rust ABI has never been stable. Forcing App developers to publish their source code is an option, but I'm afraid it will negatively affect adoption, which will ultimately hurt users.
I would appreciate thoughts and insights from you guys.

The Thing-App design:

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