STM32 Nucleo Pinout Dec 1, 2025 Nucleo 64 https://www.st.com/resource/en/user_manual/um1724-stm32-nucleo64-boards-mb1136-stmicroelectronics.pdf L476RG L053R8 Nucleo 144 https://www.st.com/resource/en/user_manual/um2408-stm32h7-nucleo144-boards-mb1363-stmicroelectronics.pdf H7A3ZI-Q H755ZI-Q Nucleo 32 https://www.st.com/resource/en/user_manual/um1956-stm32-nucleo32-boards-mb1180-stmicroelectronics.pdf L432KC