esp32 
Can You Use ESP32 as SWD Programmer for STM32 with Rust?
Build a simple SWD debug probe with an ESP32 and Rust. Learn how the ARM Serial Wire Debug protocol works, communicate with an STM32 Blue Pill, and read the target’s Debug Port IDCODE.
UART Communication Between ESP32 and Raspberry Pi Pico in Rust
Learn how to connect a Raspberry Pi Pico to an ESP32 using UART with Embedded Rust. Configure serial communication, wire the boards correctly, and exchange data between the two microcontrollers.