{ "build": { "core": "esp32", "extra_flags": [ "-DARDUINO_DFROBOT_FIREBEETLE_2_ESP32E", "-DARDUINO_RUNNING_CORE=1", "-DARDUINO_EVENT_RUNNING_CORE=1" ], "f_cpu": "240000000L", "f_flash": "40000000L", "flash_mode": "dio", "mcu": "esp32", "variant": "dfrobot_firebeetle2_esp32e" }, "connectivity": [ "wifi", "bluetooth" ], "debug": { "openocd_board": "esp-wroom-32.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "DFRobot Firebeetle 2 ESP32-E", "upload": { "flash_size": "4MB", "maximum_ram_size": 327680, "maximum_size": 4194304, "require_upload_port": true, "speed": 460800 }, "url": "https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654", "vendor": "DFRobot" }