{"id":12000,"date":"2023-11-19T23:30:46","date_gmt":"2023-11-19T15:30:46","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=12000"},"modified":"2024-05-05T12:31:31","modified_gmt":"2024-05-05T04:31:31","slug":"esp32-%e8%93%9d%e7%89%99%e5%bc%80%e5%8f%91","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=12000","title":{"rendered":"ESP32 \u84dd\u7259\u5f00\u53d1\uff08\u7f16\u8f91\u4e2d\uff09"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#1_%E7%8E%AF%E5%A2%83\" >1 \u73af\u5883<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#11_%E7%A1%AC%E4%BB%B6\" >1.1 \u786c\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#12_%E8%BD%AF%E4%BB%B6\" >1.2 \u8f6f\u4ef6<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#2_%E6%8E%A2%E7%B4%A2\" >2 \u63a2\u7d22<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#21_%E8%93%9D%E7%89%99%E6%89%AB%E6%8F%8F\" >2.1 \u84dd\u7259\u626b\u63cf<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#211_%E5%90%8C%E6%AD%A5%E6%89%AB%E6%8F%8F\" >2.1.1 \u540c\u6b65\u626b\u63cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#212_%E5%BC%82%E6%AD%A5%E6%89%AB%E6%8F%8F\" >2.1.2 \u5f02\u6b65\u626b\u63cf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#22_%E8%8E%B7%E5%8F%96%E8%87%AA%E8%BA%AB_MAC_%E5%9C%B0%E5%9D%80\" >2.2 \u83b7\u53d6\u81ea\u8eab MAC \u5730\u5740<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#23_%E8%93%9D%E7%89%99%E7%AE%80%E5%8D%95%E9%80%9A%E4%BF%A1%E7%A4%BA%E4%BE%8B_%E2%80%93_%E4%BB%8E%E6%9C%BA\" >2.3 \u84dd\u7259\u7b80\u5355\u901a\u4fe1\u793a\u4f8b &#8211; \u4ece\u673a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#24_SSP_%E9%85%8D%E5%AF%B9_%E2%80%93_%E4%BB%8E%E6%9C%BA\" >2.4 SSP \u914d\u5bf9 &#8211; \u4ece\u673a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.iyatt.com\/?p=12000\/#25\" >2.5<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"1_%E7%8E%AF%E5%A2%83\"><\/span>1 \u73af\u5883<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"11_%E7%A1%AC%E4%BB%B6\"><\/span>1.1 \u786c\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>ESP32-WROOM-32<\/p>\n<h2><span class=\"ez-toc-section\" id=\"12_%E8%BD%AF%E4%BB%B6\"><\/span>1.2 \u8f6f\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Arduino IDE 2.2.1<br \/>\nesp32 2.0.14\uff08\u5f00\u53d1\u677f\uff09<\/p>\n<h1><span class=\"ez-toc-section\" id=\"2_%E6%8E%A2%E7%B4%A2\"><\/span>2 \u63a2\u7d22<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"21_%E8%93%9D%E7%89%99%E6%89%AB%E6%8F%8F\"><\/span>2.1 \u84dd\u7259\u626b\u63cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"211_%E5%90%8C%E6%AD%A5%E6%89%AB%E6%8F%8F\"><\/span>2.1.1 \u540c\u6b65\u626b\u63cf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u540c\u6b65\u626b\u63cf\u65f6\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u626b\u63cf\u65f6\u95f4\uff0c\u5728\u626b\u63cf\u671f\u95f4\u4f1a\u963b\u585e\u8c03\u7528\u7ebf\u7a0b\uff0c\u626b\u63cf\u6307\u5b9a\u65f6\u95f4\u540e\u7ed3\u675f\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;BluetoothSerial.h&gt;\n\nBluetoothSerial bt;\n\nconst int bt_discover_time = 10000; \/\/ \u626b\u63cf\u65f6\u95f4\n\nvoid setup()\n{\n    Serial.begin(115200);\n    bt.begin(&quot;ESP32&quot;); \/\/ \u84dd\u7259\u4e32\u53e3\u8bbe\u5907\u540d\n    Serial.println(&quot;ESP32 \u542f\u52a8\uff0c\u53ef\u4ee5\u8fdb\u884c\u84dd\u7259\u8fde\u63a5&quot;);\n\n    Serial.println(&quot;\u5f00\u59cb\u626b\u63cf......&quot;);\n    BTScanResults * results = bt.discover(bt_discover_time);\n    if (results)\n    {\n        results-&gt;dump(&amp;Serial);\n    }\n    else\n    {\n        Serial.println(&quot;\u626b\u63cf\u51fa\u9519\uff01&quot;);\n    }\n}\n\nvoid loop()\n{\n    delay(1000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700450373131.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 671px; --smush-placeholder-aspect-ratio: 671\/78;\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"212_%E5%BC%82%E6%AD%A5%E6%89%AB%E6%8F%8F\"><\/span>2.1.2 \u5f02\u6b65\u626b\u63cf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5f00\u59cb\u5f02\u6b65\u626b\u63cf\u540e\uff0c\u5728\u8c03\u7528\u505c\u6b62\u626b\u63cf\u4e4b\u524d\u90fd\u4f1a\u4fdd\u6301\u540e\u53f0\u626b\u63cf\uff0c\u9002\u5408\u957f\u65f6\u95f4\u626b\u63cf\uff0c\u626b\u63cf\u671f\u95f4\u4e0d\u5360\u7528\u8c03\u7528\u7ebf\u7a0b\uff0c\u4e3b\u7ebf\u7a0b\u53ef\u4ee5\u6267\u884c\u522b\u7684\u4efb\u52a1\uff0c\u671f\u95f4\u4e00\u65e6\u626b\u63cf\u5230\u84dd\u7259\u8bbe\u5907\u5c31\u4f1a\u8c03\u7528\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;BluetoothSerial.h&gt;\n\nBluetoothSerial bt;\n\nconst int bt_discover_time = 10000; \/\/ \u626b\u63cf\u65f6\u95f4\n\nvoid setup()\n{\n    Serial.begin(115200);\n    bt.begin(&quot;ESP32&quot;); \/\/ \u84dd\u7259\u4e32\u53e3\u8bbe\u5907\u540d\n    Serial.println(&quot;ESP32 \u542f\u52a8\uff0c\u53ef\u4ee5\u8fdb\u884c\u84dd\u7259\u8fde\u63a5&quot;);\n\n    Serial.println(&quot;\u5f00\u59cb\u5f02\u6b65\u626b\u63cf......&quot;);\n    if (bt.discoverAsync(bt_advertised_device_found))\n    {\n        Serial.println(&quot;&lt;\u5728\u8fd9\u91cc\u53ef\u4ee5\u540c\u65f6\u505a\u5176\u5b83\u5de5\u4f5c&gt;&quot;);\n        delay(10000);\n        Serial.println(&quot;\u505c\u6b62\u5f02\u6b65\u626b\u63cf......&quot;);\n        bt.discoverAsyncStop();\n        Serial.println(&quot;\u5df2\u505c\u6b62&quot;);\n    }\n    else\n    {\n        Serial.println(&quot;\u5f02\u6b65\u626b\u63cf\u53d1\u751f\u9519\u8bef\uff01&quot;);\n    }\n}\n\nvoid loop()\n{\n    delay(1000);\n}\n\nvoid bt_advertised_device_found(BTAdvertisedDevice * device)\n{\n    Serial.printf(&quot;\u5f02\u6b65\u626b\u63cf\u53d1\u73b0\u4e00\u4e2a\u8bbe\u5907\uff1a%s\\n&quot;, device-&gt;toString().c_str());\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700394027204.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 459px; --smush-placeholder-aspect-ratio: 459\/114;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"22_%E8%8E%B7%E5%8F%96%E8%87%AA%E8%BA%AB_MAC_%E5%9C%B0%E5%9D%80\"><\/span>2.2 \u83b7\u53d6\u81ea\u8eab MAC \u5730\u5740<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-cpp\">#include &lt;BluetoothSerial.h&gt;\n\nBluetoothSerial bt;\n\nvoid setup()\n{\n    Serial.begin(115200);\n    bt.begin(&quot;ESP32&quot;);\n\n    \/\/ \u65b9\u5f0f\u4e00\n    byte mac_arr[6];\n    bt.getBtAddress(mac_arr);\n    Serial.print(&quot;MAC \u5730\u5740\uff08\u5b57\u8282\u6570\u7ec4\uff09\uff1a&quot;);\n    for (int i = 0; i &lt; ESP_BD_ADDR_LEN - 1; ++i)\n    {\n        Serial.print(mac_arr[i], HEX);\n        Serial.print(&quot;:&quot;);\n    }\n    Serial.println(mac_arr[ESP_BD_ADDR_LEN - 1], HEX);\n\n    \/\/ \u65b9\u5f0f\u4e8c\n    BTAddress mac_obj = bt.getBtAddressObject();\n    Serial.println(&quot;\\nMAC \u5730\u5740\uff08\u5bf9\u8c61\uff09\uff1a&quot;);\n    Serial.println(mac_obj.toString().c_str());\n    Serial.println(mac_obj.toString(true).c_str());\n\n    \/\/ \u65b9\u5f0f\u4e09\n    String mac_str = bt.getBtAddressString();\n    Serial.print(&quot;\\nMAC \u5730\u5740\uff08\u5b57\u7b26\u4e32\uff09\uff1a&quot;);\n    Serial.println(mac_str);    \n}\n\nvoid loop()\n{\n    delay(1000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700397715865.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 305px; --smush-placeholder-aspect-ratio: 305\/133;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"23_%E8%93%9D%E7%89%99%E7%AE%80%E5%8D%95%E9%80%9A%E4%BF%A1%E7%A4%BA%E4%BE%8B_%E2%80%93_%E4%BB%8E%E6%9C%BA\"><\/span>2.3 \u84dd\u7259\u7b80\u5355\u901a\u4fe1\u793a\u4f8b &#8211; \u4ece\u673a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6211\u624b\u673a\u4f7f\u7528\u7684\u84dd\u7259\u8c03\u8bd5\u8f6f\u4ef6\uff08Google Play\uff09\uff1a<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700401824610.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 275px; --smush-placeholder-aspect-ratio: 275\/130;\" \/><br \/>\n\u7528\u4e8e\u6d4b\u8bd5\u624b\u673a\u548c ESP32 \u7684\u84dd\u7259\u901a\u4fe1<\/p>\n<p>\u5c06\u84dd\u7259\u6536\u5230\u7684\u6570\u636e\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u5230\u7535\u8111\uff0c\u5e76\u53ef\u4ee5\u4ece\u4e32\u53e3\u8bfb\u53d6\u6765\u81ea\u7535\u8111\u7684\u6570\u636e\uff0c\u518d\u901a\u8fc7\u84dd\u7259\u53d1\u9001<\/p>\n<pre><code class=\"language-cpp\">#include &lt;BluetoothSerial.h&gt;\n\nBluetoothSerial bt;\n\nvoid setup()\n{\n    const char * device_name = &quot;ESP32&quot;;\n\n    Serial.begin(115200);\n    bt.begin(device_name);\n\n    Serial.println(&quot;\u84dd\u7259\u5df2\u6253\u5f00\uff0c\u53ef\u8fdb\u884c\u8fde\u63a5\uff01&quot;);\n}\n\nvoid loop()\n{\n    while (Serial.available())\n    {\n        bt.write(Serial.read());\n    }\n\n    while (bt.available())\n    {\n        Serial.write(bt.read());\n    }\n\n    delay(20);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700401883303.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 734px; --smush-placeholder-aspect-ratio: 734\/550;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700402038272.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 290px; --smush-placeholder-aspect-ratio: 290\/657;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700402131637.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 671px; --smush-placeholder-aspect-ratio: 671\/226;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"24_SSP_%E9%85%8D%E5%AF%B9_%E2%80%93_%E4%BB%8E%E6%9C%BA\"><\/span>2.4 SSP \u914d\u5bf9 &#8211; \u4ece\u673a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Secure Simple Pairing\uff08SSP\uff09\uff0c\u5b89\u5168\u7b80\u5355\u914d\u5bf9<\/p>\n<p>\u8fd9\u91cc\u4e3b\u8981\u662f\u4f53\u73b0\u914d\u5bf9\u7684\u5b89\u5168\u9a8c\u8bc1\uff0c\u5df2\u7ecf\u914d\u5bf9\u8fc7\u53ef\u4ee5\u5728\u624b\u673a\u8bbe\u7f6e\u53d6\u6d88\u914d\u5bf9\u3002\u5728\u914d\u5bf9\u7684\u65f6\u5019\u4f1a\u63d0\u793a\u914d\u5bf9\u7801\uff0c\u53ef\u4ee5\u68c0\u67e5\u548c\u8981\u8fde\u63a5\u7684\u5bf9\u8c61\u662f\u5426\u5bf9\u5e94\uff0c\u5e76\u4e14 ESP32 \u8fd9\u8fb9\u9700\u8981\u8fdb\u884c\u786e\u8ba4\u624d\u80fd\u914d\u5bf9\u6210\u529f\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;BluetoothSerial.h&gt;\n\nBluetoothSerial bt;\nboolean confirm_request_pending = true; \n\nvoid bt_confirm_request_callback(uint32_t num_val)\n{\n    confirm_request_pending = true;\n    Serial.printf(&quot;\u914d\u5bf9\u7801\uff1a%d\\n\u8bf7\u8f93\u5165 Y \u786e\u8ba4\u914d\u5bf9\uff1a&quot;, num_val);\n}\n\nvoid bt_auth_complete_callback(boolean success)\n{\n    confirm_request_pending = false;\n    if (success)\n    {\n        Serial.println(&quot;\\n\u914d\u5bf9\u6210\u529f\uff01&quot;);\n    }\n    else\n    {\n        Serial.println(&quot;\\n\u7528\u6237\u62d2\u7edd\uff0c\u914d\u5bf9\u5931\u8d25\uff01&quot;);\n    }\n}\n\nvoid setup()\n{\n    const char * device_name = &quot;ESP32&quot;;\n\n    Serial.begin(115200);\n\n    bt.enableSSP();\n    bt.onConfirmRequest(bt_confirm_request_callback); \/\/ \u914d\u5bf9\u786e\u8ba4\n    bt.onAuthComplete(bt_auth_complete_callback); \/\/ \u9a8c\u8bc1\u7ed3\u679c\n    bt.begin(device_name);\n\n    Serial.println(&quot;\u84dd\u7259\u5df2\u5f00\u542f\uff0c\u73b0\u5728\u53ef\u4ee5\u5f00\u59cb\u8fde\u63a5\uff01&quot;);\n}\n\nvoid loop()\n{\n    if (confirm_request_pending &amp;&amp; !bt.connected())\n    {\n        if (Serial.available())\n        {\n            int ch = Serial.read();\n            if (&#039;Y&#039; == ch || &#039;y&#039; == ch)\n            {\n                bt.confirmReply(true);\n            }\n            else\n            {\n                bt.confirmReply(false);\n            }\n        }\n    }\n    else\n    {\n        while (Serial.available())\n        {\n            bt.write(Serial.read());\n        }\n\n        while (bt.available())\n        {\n            Serial.write(bt.read());\n        }\n    }\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700404854859.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 380px; --smush-placeholder-aspect-ratio: 380\/230;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700404906463.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 302px; --smush-placeholder-aspect-ratio: 302\/360;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"25\"><\/span>2.5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>1 \u73af\u5883 1.1 \u786c\u4ef6 ESP32-WROOM-32 1.2 \u8f6f\u4ef6 Arduino IDE 2.2.1 esp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[1,604],"tags":[],"class_list":["post-12000","post","type-post","status-publish","format-standard","hentry","category-all","category-esp32"],"modified_by":"IYATT-yx","_links":{"self":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/12000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12000"}],"version-history":[{"count":0,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/12000\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}