Build bare-metal embedded Rust with no_std, HAL crates, and embassy for resource-constrained microcontrollers.
## CONTEXT Embedded Rust has matured into a production-ready ecosystem in 2026, with embassy providing async on bare metal, the embedded-hal trait family standardizing peripheral access, and probe-rs replacing OpenOCD for flashing and debugging. Targets like the RP2350, STM32, nRF52, and ESP32 each have…
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