{ "build": { "core": "silabs", "f_cpu": "39000000L", "mcu": "cortex-m33", "variant": "thingplusmatter" }, "connectivity": [ "bluetooth", "thread", "wifi", "zigbee" ], "debug": { "jlink_device": "EFR32MG24B020F1536IM40", "onboard_tools": [ "jlink" ], "svd_path": "EFR32MG24B020F1536IM40.svd" }, "frameworks": [ "arduino" ], "name": "Sparkfun Thing Plus Matter", "upload": { "flash_size": "1536kB", "maximum_ram_size": 262144, "maximum_size": 1572864, "protocol": "jlink" }, "url": "https://www.sparkfun.com/products/20270", "vendor": "Sparkfun" }