{ "build": { "core": "esp32", "f_cpu": "160000000L", "f_flash": "80000000L", "flash_mode": "dio", "extra_flags": [ "-DARDUINO_AirM2M_CORE_ESP32C3", "-DARDUINO_USB_MODE=1" ], "mcu": "esp32c3", "variant": "AirM2M_CORE_ESP32C3" }, "connectivity": [ "wifi" ], "debug": { "openocd_target": "esp32c3.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "AirM2M CORE ESP32C3", "upload": { "flash_size": "4MB", "maximum_ram_size": 327680, "maximum_size": 4194304, "require_upload_port": true, "speed": 460800 }, "url": "https://wiki.luatos.com/chips/esp32c3/board.html", "vendor": "AirM2M" }