Build event-driven embedded firmware using embassy async tasks, executors, and HAL on bare metal.
## CONTEXT Embassy brought async/await to bare-metal embedded Rust, replacing busy-wait loops and complex interrupt state machines with readable async tasks that sleep efficiently. In 2026, embassy is production-ready across STM32, nRF, RP2040/RP2350, and ESP32, with async HAL drivers, time abstractions, and a…
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