![Dave Hylands](/assets/img/avatar_default.png)
This enables MICROPY_HW_HAS_FLASH which got missed. The HW has UART2 on the 401 connected to the STLINK procesor which exposes it as USB serial. This connects that up so that you can get a REPL using the USB serial.
This enables MICROPY_HW_HAS_FLASH which got missed. The HW has UART2 on the 401 connected to the STLINK procesor which exposes it as USB serial. This connects that up so that you can get a REPL using the USB serial.