{ "build": { "arduino": { "ldscript": "nrf52832_s132_v6.ld" }, "core": "nRF5", "cpu": "cortex-m4", "extra_flags": "-DNRF52832_XXAA -DNRF52", "f_cpu": "64000000L", "hwids": [ [ "0x239A", "0x8029" ], [ "0x239A", "0x0029" ], [ "0x239A", "0x002A" ], [ "0x239A", "0x802A" ] ], "usb_product": "Feather nRF52832 Express", "mcu": "nrf52832", "variant": "WisCore_RAK4600_Board", "bsp": { "name": "adafruit" }, "softdevice": { "sd_flags": "-DS132", "sd_name": "s132", "sd_version": "6.1.1", "sd_fwid": "0x00B7" }, "zephyr": { "variant": "nrf52_adafruit_feather" } }, "connectivity": [ "bluetooth" ], "debug": { "jlink_device": "nRF52832_xxAA", "svd_path": "nrf52.svd" }, "frameworks": [ "arduino", "zephyr" ], "name": "Adafruit Bluefruit nRF52832 Feather", "upload": { "maximum_ram_size": 65536, "maximum_size": 524288, "require_upload_port": true, "speed": 115200, "protocol": "nrfutil", "protocols": [ "jlink", "nrfjprog", "nrfutil", "stlink" ] }, "url": "https://www.adafruit.com/product/3406", "vendor": "Adafruit" }