{ "build": { "core": "esp32", "mcu": "esp32s3", "variant": "esp32s3", "f_cpu": "240000000L", "f_flash": "80000000L", "flash_mode": "dio" }, "frameworks": [ "arduino" ], "name": "M5Stack StamPLC", "url": "https://m5stack.com/products/m5stamplc", "vendor": "M5Stack", "upload": { "speed": 460800, "maximum_size": 8388608, "maximum_ram_size": 327680 } }