{ "build": { "core": "maple", "cpu": "cortex-m3", "extra_flags": "-DARDUINO_MAPLE_MINI -DMCU_STM32F103CB", "f_cpu": "72000000L", "hwids": [ ["0x1EAF", "0x0003"], ["0x1EAF", "0x0004"] ], "ldscript": "flash.ld", "mcu": "stm32f103cb", "variant": "maple_mini" }, "frameworks": ["arduino"], "name": "Maple Mini Bootloader 2.0", "upload": { "maximum_ram_size": 20480, "maximum_size": 122880, "protocol": "dfu", "boot_version": 2, "require_upload_port": true }, "url": "http://www.leaflabs.com/maple/", "vendor": "LeafLabs" }