{ "build": { "arduino": { "ldscript": "esp32s2_out.ld" }, "core": "esp32", "extra_flags": "-DARDUINO_ESP32S2_DEV", "f_cpu": "240000000L", "f_flash": "80000000L", "flash_mode": "qio", "mcu": "esp32s2", "variant": "esp32s2" }, "connectivity": [ "wifi" ], "debug": { "openocd_target": "esp32s2.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "Ai-Thinker NodeMCU-32S2 (ESP-12K)", "upload": { "flash_size": "4MB", "maximum_ram_size": 327680, "maximum_size": 4194304, "require_upload_port": true, "speed": 460800 }, "url": "https://docs.ai-thinker.com/en/esp32s2", "vendor": "Ai-Thinker" }