1identifier: nucleo_h503rb 2name: ST Nucleo H503RB 3type: mcu 4arch: arm 5toolchain: 6 - zephyr 7ram: 32 8flash: 128 9supported: 10 - arduino_gpio 11 - arduino_serial 12 - backup_sram 13 - gpio 14 - uart 15 - i2c 16 - watchdog 17vendor: st 18