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+= Hardware Abstraction Layer (HAL)
+
+Embassy provides HALs for several microcontroller families:
+
+* `embassy-nrf` for the nRF microcontrollers from Nordic Semiconductor
+* `embassy-stm32` for STM32 microcontrollers from ST Microelectronics
+* `embassy-rp` for the Raspberry Pi RP2040 microcontrollers
+
+These HALs implement async/await functionality for most peripherals while also implementing the
+async traits in `embedded-hal` and `embedded-hal-async`. You can also use these HALs with another executor.
+
+For the ESP32 series, there is an link:https://github.com/esp-rs/esp-hal[esp-hal] which you can use.
+
+For the WCH 32-bit RISC-V series, there is an link:https://github.com/ch32-rs/ch32-hal[ch32-hal], which you can use.