{ "build": { "arduino":{ "ldscript": "esp32_out.ld" }, "core": "esp32", "extra_flags": "-DARDUINO_esp32vn_iot_uno", "f_cpu": "240000000L", "f_flash": "40000000L", "flash_mode": "dio", "mcu": "esp32", "variant": "esp32vn-iot-uno" }, "connectivity": [ "wifi", "bluetooth", "ethernet", "can" ], "debug": { "openocd_board": "esp-wroom-32.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "ESP32vn IoT Uno", "upload": { "flash_size": "4MB", "maximum_ram_size": 327680, "maximum_size": 4194304, "require_upload_port": true, "speed": 460800 }, "url": "https://esp32.vn/", "vendor": "ESP32vn" }