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boards/esp32dev.json

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+{
+    "build": {
+      "core": "esp32",
+      "f_cpu": "240000000L",
+      "f_flash": "40000000L",
+      "flash_mode": "dio",
+      "mcu": "esp32",
+      "variant": "esp32"
+    },
+    "connectivity": [
+      "wifi",
+      "ethernet"
+    ],
+    "debug": {
+      "openocd_board": "esp32.cfg"
+    },
+    "frameworks": [
+      "arduino",
+      "espidf"
+    ],
+    "name": "Espressif ESP32 Dev Module",
+    "upload": {
+      "flash_size": "16MB",
+      "maximum_ram_size": 327680,
+      "maximum_size": 16777216,
+      "require_upload_port": true,
+      "speed": 460800
+    },
+    "download": {
+        "speed": 230400
+    },
+    "url": "https://en.wikipedia.org/wiki/ESP32",
+    "vendor": "Espressif"
+  }