{ "build": { "arduino": { "partitions": "default_8MB.csv" }, "core": "esp32", "extra_flags": "-DARDUINO_HELTEC_WIFI_LORA_32_V2", "f_cpu": "240000000L", "f_flash": "40000000L", "flash_mode": "dio", "mcu": "esp32", "variant": "heltec_wifi_lora_32_V2" }, "connectivity": [ "wifi", "bluetooth", "ethernet", "can" ], "debug": { "openocd_board": "esp-wroom-32.cfg" }, "frameworks": [ "arduino", "espidf" ], "name": "Heltec WiFi LoRa 32 (V2)", "upload": { "flash_size": "8MB", "maximum_ram_size": 327680, "maximum_size": 8388608, "require_upload_port": true, "speed": 460800 }, "url": "http://www.heltec.cn/project/wifi-lora-32/?lang=en", "vendor": "Heltec Automation" }