{ "build": { "core": "esp32", "extra_flags": "-DARDUINO_JCZN_2432S028R", "f_cpu": "240000000L", "f_flash": "40000000L", "flash_mode": "qio", "mcu": "esp32", "variant": "jczn_2432s028r" }, "connectivity": [ "wifi", "bluetooth" ], "debug": { "openocd_board": "esp-wroom-32.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "ESP32-2432S028R CYD", "upload": { "flash_size": "4MB", "maximum_ram_size": 327680, "maximum_size": 4194304, "require_upload_port": true, "speed": 460800 }, "url": "http://pan.jczn1688.com/directlink/1/ESP32%20module/2.8inch_ESP32-2432S028R.rar", "vendor": "JCZN" }