cargo embed --release --features stm32 --chip STM32F103C8 --example stm32-serial
cargo embed --release --features stm32 --chip STM32F103C8 --example stm32-i2c
cargo run --release --features rpi --example rpi-serial
cargo run --release --features rpi --example rpi-i2c
cd arduino
rustup override set nightly
cargo run --release --example arduino-uno-i2c
cargo run --release --example arduino-uno-serial