WeAct Studio's STM32U585 Core Mini Board Gains MicroPython v1.28 Support MicroPython v1.28 adds support for WeAct Studio's compact STM32U585CIU6 Core Mini board, a sub-$8 Cortex-M33 module with 768 KB RAM and Arm TrustZone security. Devices Stm32u585 2026-04-08