{"id":11915,"date":"2023-11-14T00:08:08","date_gmt":"2023-11-13T16:08:08","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=11915"},"modified":"2024-05-05T12:31:31","modified_gmt":"2024-05-05T04:31:31","slug":"esp32-%e4%bd%bf%e7%94%a8-oled%ef%bc%88%e7%bc%96%e8%be%91%e4%b8%ad%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=11915","title":{"rendered":"ESP32 OLED \u5c4f\u5e55\u5f00\u53d1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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=11915\/#1_%E7%8E%AF%E5%A2%83\" >1 \u73af\u5883<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#11_%E7%A1%AC%E4%BB%B6\" >1.1 \u786c\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#12_%E8%BD%AF%E4%BB%B6\" >1.2 \u8f6f\u4ef6<\/a><\/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=11915\/#2_%E6%8E%A5%E7%BA%BF\" >2 \u63a5\u7ebf<\/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=11915\/#21_%E9%BB%98%E8%AE%A4\" >2.1 \u9ed8\u8ba4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#22_%E8%87%AA%E5%AE%9A%E4%B9%89\" >2.2 \u81ea\u5b9a\u4e49<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#3_%E6%8E%A2%E7%B4%A2\" >3 \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-8\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#31_%E7%A1%AE%E5%AE%9A_IIC_%E5%9C%B0%E5%9D%80\" >3.1 \u786e\u5b9a IIC \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=11915\/#32_%E6%98%BE%E7%A4%BA%E5%83%8F%E7%B4%A0%E7%82%B9\" >3.2 \u663e\u793a\u50cf\u7d20\u70b9<\/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=11915\/#33_%E6%98%BE%E7%A4%BA%E5%AD%97%E7%AC%A6\" >3.3 \u663e\u793a\u5b57\u7b26<\/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=11915\/#34_%E6%98%BE%E7%A4%BA%E5%AD%97%E7%AC%A6%E4%B8%B2\" >3.4 \u663e\u793a\u5b57\u7b26\u4e32<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#35_%E7%BB%98%E5%88%B6%E5%9B%BE%E5%BD%A2\" >3.5 \u7ed8\u5236\u56fe\u5f62<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#35_%E6%BB%9A%E5%8A%A8\" >3.5 \u6eda\u52a8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#36_%E4%BD%8D%E5%9B%BE\" >3.6 \u4f4d\u56fe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#37_%E5%8F%96%E6%A8%A1\" >3.7 \u53d6\u6a21<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#371_%E5%9B%BE%E7%89%87%E5%8F%96%E6%A8%A1\" >3.7.1 \u56fe\u7247\u53d6\u6a21<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#372_%E5%AD%97%E7%AC%A6%E5%8F%96%E6%A8%A1%EF%BC%88%E6%B1%89%E5%AD%97%EF%BC%89\" >3.7.2 \u5b57\u7b26\u53d6\u6a21\uff08\u6c49\u5b57\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.iyatt.com\/?p=11915\/#38_%E5%B1%80%E9%83%A8%E5%88%B7%E6%96%B0\" >3.8 \u5c40\u90e8\u5237\u65b0<\/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<h1><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><\/h1>\n<p>ESP32-WROOM-32<br \/>\n128&#215;64 OLED\uff08IIC\uff09<\/p>\n<h1><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><\/h1>\n<p>Arduino IDE 2.2.1<br \/>\nesp32 2.0.14\uff08\u5f00\u53d1\u677f\uff09<br \/>\nAdafruit_SSD1306 2.5.7 \uff1a<a href=\"https:\/\/github.com\/adafruit\/Adafruit_SSD1306\">https:\/\/github.com\/adafruit\/Adafruit_SSD1306<\/a> \uff08\u4f9d\u8d56\u5e93\uff1a<br \/>\nAdafruit_BusIO 1.14.5 \uff1a<a href=\"https:\/\/github.com\/adafruit\/Adafruit_BusIO\">https:\/\/github.com\/adafruit\/Adafruit_BusIO<\/a><br \/>\nAdafruit-GFX-Library 1.11.9 \uff1a<a href=\"https:\/\/github.com\/adafruit\/Adafruit-GFX-Library\">https:\/\/github.com\/adafruit\/Adafruit-GFX-Library<\/a><br \/>\n\uff09<\/p>\n<p>\u6ce8\uff1a\u5982\u679c\u662f\u5728 Arduino IDE \u4e2d\u5b89\u88c5\uff0c\u4f1a\u81ea\u52a8\u63d0\u793a\u4f9d\u8d56\u5e93\u5b89\u88c5\uff0c\u5982\u679c\u662f\u4ece GitHub \u4e0b\u8f7d\u79bb\u7ebf\u5305\uff0c\u5c31\u8981\u624b\u52a8\u5206\u522b\u5b89\u88c5\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"2_%E6%8E%A5%E7%BA%BF\"><\/span>2 \u63a5\u7ebf<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"21_%E9%BB%98%E8%AE%A4\"><\/span>2.1 \u9ed8\u8ba4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4f7f\u7528 Wire \u5e93\u65f6\uff0cESP32 \u7684\u9ed8\u8ba4\u5f15\u811a\u5bf9\u5e94\uff08\u4e0b\u9762\u63a2\u7d22\u5c31\u4f7f\u7528\u8fd9\u4e2a\u9ed8\u8ba4\u7684\uff09<\/p>\n<ul>\n<li>21 &#8211; SDA<\/li>\n<li>22 &#8211; SCL<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"22_%E8%87%AA%E5%AE%9A%E4%B9%89\"><\/span>2.2 \u81ea\u5b9a\u4e49<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u65b9\u6cd5\u4e00<\/p>\n<pre><code>Wire.setPins(int sda, int scl);\nWire.begin();<\/code><\/pre>\n<p>\u65b9\u6cd5\u4e8c<\/p>\n<pre><code class=\"language-cpp\">bool begin(int sda, int scl, uint32_t frequency=0);<\/code><\/pre>\n<h1><span class=\"ez-toc-section\" id=\"3_%E6%8E%A2%E7%B4%A2\"><\/span>3 \u63a2\u7d22<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"31_%E7%A1%AE%E5%AE%9A_IIC_%E5%9C%B0%E5%9D%80\"><\/span>3.1 \u786e\u5b9a IIC \u5730\u5740<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SSD1306 \u9a71\u52a8\u7684 OLED \u7684 IIC \u5730\u5740\u8981\u4e48\u662f 0x3D\uff0c\u8981\u4e48\u5c31\u662f 0x3C\uff0c\u5176\u5b9e\u4e24\u9009\u4e00\u8bd5\u4e5f\u884c\uff0c\u8fd9\u91cc\u63d0\u4f9b\u4e86\u4e00\u4efd\u4ee3\u7801\uff0c\u4f1a\u8fdb\u884c\u904d\u5386\u6d4b\u8bd5\u53ef\u7528\u7684\u8bbe\u5907\u7684\u5730\u5740\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    Wire.begin();\n\n    Serial.println(&quot;\u5f00\u59cb\u626b\u63cf IIC \u8bbe\u5907&quot;);\n}\n\nvoid loop()\n{\n    int devices = 0;\n\n    Serial.println(&quot;\u6b63\u5728\u626b\u63cf......&quot;);\n\n    \/\/ \u904d\u5386\u5730\u5740\uff0c\u6d4b\u8bd5\u662f\u5426\u53ef\u4ee5\u901a\u4fe1\n    for (byte error, address = 1; address &lt; 127; ++address)\n    {\n        Wire.beginTransmission(address); \/\/ \u6307\u5b9a\u901a\u4fe1\u5730\u5740\uff08\u51c6\u5907\u901a\u4fe1\uff09\n        error = Wire.endTransmission(); \/\/ \u7ed3\u675f\u901a\u4fe1\n        if (0 == error)\n        {\n            Serial.print(&quot;\u53d1\u73b0 IIC \u8bbe\u5907\uff0c\u5730\u5740\u4e3a 0x&quot;);\n            if (address &lt; 16)\n            {\n                Serial.print(0);\n            }\n            Serial.println(address, HEX);\n            ++devices;\n        }\n        else if (4 == error)\n        {\n            Serial.print(&quot;\u53d1\u751f\u672a\u77e5\u9519\u8bef\uff0c\u5730\u5740\u4e3a 0x&quot;);\n            if (address &lt; 16)\n            {\n                Serial.print(0);\n            }\n            Serial.println(address, HEX);\n        }\n    }\n    if (0 == devices)\n    {\n        Serial.println(&quot;\u672a\u53d1\u73b0 IIC \u8bbe\u5907\uff01\\n&quot;);\n    }\n    else\n    {\n        Serial.println(&quot;\u5b8c\u6210\uff01\\n&quot;);\n    }\n\n    delay(5000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699888263153.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 323px; --smush-placeholder-aspect-ratio: 323\/79;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"32_%E6%98%BE%E7%A4%BA%E5%83%8F%E7%B4%A0%E7%82%B9\"><\/span>3.2 \u663e\u793a\u50cf\u7d20\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Adafruit \u8fd9\u4e2a\u5e93\u91c7\u7528\u4e86\u7f13\u5b58\u673a\u5236\uff0c\u5185\u90e8\u7ef4\u62a4\u4e86\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u6bcf\u4e2a\u5143\u7d20\u6620\u5c04\u5230\u5c4f\u5e55\u4e0a\u7684\u4e00\u4e2a\u50cf\u7d20\u70b9\uff0c\u5143\u7d20\u7684\u503c\u51b3\u5b9a\u4e86\u8fd9\u4e2a\u70b9\u4eae\u8fd8\u662f\u4e0d\u4eae\uff0c\u5199\u64cd\u4f5c\u5176\u5b9e\u5c31\u662f\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u7684\u503c\uff0c\u518d\u8c03\u7528 display \u51fd\u6570\u5c06\u7f13\u5b58\u5e94\u7528\u5230\u5c4f\u5e55\u4e0a\u624d\u4f1a\u663e\u793a\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;);\n        while (1);\n    }\n\n    display.clearDisplay(); \/\/ \u6e05\u7a7a\u7f13\u5b58\n\n    for (int i = 0; i &lt; 50; ++i) \/\/ \u5faa\u73af\u7ed8\u5236\u50cf\u7d20\u70b9\u6784\u6210\u76f4\u7ebf\n    {\n        display.drawPixel(i, i, SSD1306_WHITE); \/\/ \u6307\u5b9a\u6a2a\u7eb5\u5750\u6807\u548c\u989c\u8272\n    }\n\n    display.display(); \/\/ \u5c06\u5199\u5165\u7f13\u5b58\u7684\u5185\u5bb9\u663e\u793a\u5230 OLED\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699897708169.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 170px; --smush-placeholder-aspect-ratio: 170\/182;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"33_%E6%98%BE%E7%A4%BA%E5%AD%97%E7%AC%A6\"><\/span>3.3 \u663e\u793a\u5b57\u7b26<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5b57\u7b26\u7ebf\u5bbd\u4e3a 1 \u4e2a\u50cf\u7d20\u70b9\u65f6\uff0c128&#215;64 \u5206\u8fa8\u7387\u6bcf\u884c\u663e\u793a 21 \u4e2a\u5b57\u7b26\uff0c8 \u884c\uff0c\u5e73\u5747\u6bcf\u4e2a\u5b57\u7b26\u50cf\u7d20\u5c3a\u5bf8\u4e3a 6&#215;8\u3002<\/p>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\nvoid oled_print(int16_t start, int16_t end)\n{\n    display.clearDisplay();\n\n    display.setCursor(0, 0); \/\/ \u8bbe\u7f6e\u5f00\u59cb\u5b57\u7b26\u7684\u5de6\u4e0a\u89d2\u5750\u6807\n    for (int16_t i = start; i &lt; end; ++i)\n    {\n        if (&#039;\\n&#039; == i)\n        {\n            display.write(&#039; &#039;); \/\/ \u6bcf\u6b21\u5199\u4e00\u4e2a\u5b57\u7b26\uff0c\u63a5\u7740\u4e0a\u4e00\u4e2a\u5b57\u7b26\u540e\u9762\n        }\n        else\n        {\n            display.write(i);\n        }\n    }\n    display.display();\n}\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;);\n        while (1);\n    }\n\n    display.setTextSize(1); \/\/ \u8bbe\u7f6e\u50cf\u7d20\u5927\u5c0f\uff0c\u4e0d\u8bbe\u7f6e\u9ed8\u8ba4\u4e3a 1\n    display.setTextColor(SSD1306_WHITE); \/\/ \u8bbe\u7f6e\u4eae\u8272\u663e\u793a\n    display.cp437(true); \/\/ Code Page 437\uff08IBM PC ASCII\uff09\uff0c\u6709 256 \u4e2a\u5b57\u7b26\n}\n\nvoid loop()\n{\n    oled_print(0, 168); \/\/ \u6bcf\u884c\u6700\u591a\u663e\u793a 21 \u4e2a\u5b57\u7b26\uff0c\u5171 8 \u884c\uff0c\u5171 168 \u4e2a\n    delay(1000);\n    oled_print(168, 256);\n    delay(1000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699891436164.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 201px; --smush-placeholder-aspect-ratio: 201\/196;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699891446614.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 209px; --smush-placeholder-aspect-ratio: 209\/193;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"34_%E6%98%BE%E7%A4%BA%E5%AD%97%E7%AC%A6%E4%B8%B2\"><\/span>3.4 \u663e\u793a\u5b57\u7b26\u4e32<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;);\n        while (1);\n    }\n\n    display.setTextColor(SSD1306_WHITE);\n    display.clearDisplay();\n\n    display.setCursor(30, 30);\n    \/\/ \u6ce8\uff1aArduino IDE \u4e2d F \u51fd\u6570\u53ef\u4ee5\u8ba9\u5b57\u7b26\u4e32\u5e38\u91cf\u5b58\u50a8\u5728 FLASH \u4e2d\uff0c\u800c\u8282\u7701 RAM\n    display.println(F(&quot;hello world!&quot;)); \/\/ println \u5e26\u6709\u6362\u884c\uff0c\u540e\u7eed\u663e\u793a\u4e0d\u8bbe\u7f6e\u7126\u70b9\u4f1a\u81ea\u52a8\u8df3\u5230\u4e0b\u4e00\u884c\n    display.print(F(&quot;h w&quot;));\n    display.setCursor(30, 38); \/\/ \u5b57\u7b26\u9ad8\u5ea6\u4e3a 8 \u50cf\u7d20\uff0c\u7eb5\u5750\u6807\u52a0 8 \u7b49\u4e8e\u6362\u884c\n    display.print(F(&quot;ABCD1234!@#$&quot;)); \/\/ print \u6ca1\u6709\u6362\u884c\uff0c\u540e\u7eed\u663e\u793a\u4e0d\u8bbe\u7f6e\u7126\u70b9\u4f1a\u63a5\u7740\u5c3e\u90e8\n    display.print(F(&quot; &amp; *&quot;));\n\n    display.display();\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699897760431.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 193px; --smush-placeholder-aspect-ratio: 193\/193;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"35_%E7%BB%98%E5%88%B6%E5%9B%BE%E5%BD%A2\"><\/span>3.5 \u7ed8\u5236\u56fe\u5f62<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;);\n        while (1);\n    }\n\n    display.clearDisplay();\n\n    \/\/ \u76f4\u7ebf\uff08\u5bf9\u89d2\u7ebf\uff09\n    display.drawLine(0, 0, \/\/ \u8d77\u59cb\u70b9\u5750\u6807\n                    display.width() - 1, display.height() - 1, \/\/ \u7ec8\u70b9\u5750\u6807\n                    SSD1306_WHITE);\n\n    \/\/ \u77e9\u5f62\n    display.drawRect(0, 20, \/\/ \u5de6\u4e0a\u89d2\u5750\u6807\n                    20, 10, \/\/ \u5bbd\u5ea6\u548c\u9ad8\u5ea6\n                    SSD1306_WHITE\n                    );\n\n    \/\/ \u586b\u5145\u77e9\u5f62\n    display.fillRect(0, 0,\n                    20, 10,\n                    SSD1306_WHITE\n                    );\n\n    \/\/ \u5706\u89d2\u77e9\u5f62\n    display.drawRoundRect(0, 31, \/\/ \u5de6\u4e0a\u89d2\u5750\u6807\n                        20, 10, \/\/ \u5bbd\u5ea6\u548c\u9ad8\u5ea6\n                        3, \/\/ \u5706\u89d2\u534a\u5f84\n                        SSD1306_WHITE);\n\n    \/\/ \u586b\u5145\u5706\u89d2\u77e9\u5f62\n    display.fillRoundRect(5, 42,\n                        20, 10,\n                        3,\n                        SSD1306_WHITE);\n\n    \/\/ \u4e09\u89d2\u5f62\n    display.drawTriangle(50, 0, \/\/ \u6307\u5b9a\u4e09\u4e2a\u70b9\u5750\u6807\n                        40, 30,\n                        60, 15,\n                        SSD1306_WHITE);\n\n    \/\/ \u586b\u5145\u4e09\u89d2\u5f62\n    display.fillTriangle(100, 0,\n                        90, 30,\n                        110, 15,\n                        SSD1306_WHITE);\n\n    \/\/ \u5706\n    display.drawCircle(display.width() \/ 2, display.height() \/ 2, \/\/ \u5706\u5fc3\uff0c\u5c4f\u5e55\u4e2d\u5fc3\n                        10, \/\/ \u534a\u5f84\n                        SSD1306_WHITE);\n\n    \/\/ \u586b\u5145\u5706\n    display.fillCircle(display.width() \/ 2 + 20, display.height() \/ 2,\n                        5,\n                        SSD1306_WHITE);\n\n    display.display();\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699900929893.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 212px; --smush-placeholder-aspect-ratio: 212\/193;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"35_%E6%BB%9A%E5%8A%A8\"><\/span>3.5 \u6eda\u52a8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(F(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;));\n        while (1);\n    }\n\n    display.clearDisplay();\n\n    display.setTextColor(SSD1306_WHITE); \/\/ \u9ed1\u5e95\u4eae\u5b57\n    display.setCursor(0, 0);\n    display.println(F(&quot;hello world!&quot;));\n    display.setCursor(10, 10);\n    display.println(F(&quot;hello world!&quot;));\n\n    display.setTextColor(SSD1306_BLACK, SSD1306_WHITE); \/\/ \u4eae\u5e95\u9ed1\u5b57\n    display.println(F(&quot;1234ABCD&quot;));\n\n    display.setTextSize(2); \/\/ \u5b57\u7b26\u7ebf\u5bbd\n    display.setTextColor(SSD1306_WHITE);\n    display.setCursor(10, 26);\n    display.println(F(&quot;hello!&quot;));\n\n    display.setTextSize(1);\n    display.println(F(&quot;world&quot;));\n    display.println(F(&quot;Good&quot;));\n\n    display.display();\n    delay(1000);\n}\n\nvoid loop()\n{\n    \/\/ \u4ece\u5de6\u5f80\u53f3\u6eda\u52a8\n    display.startscrollright(0, 0); \/\/ \u53c2\u4e0e\u6eda\u52a8\u7684\u884c\u8303\u56f4\uff0c\u6bcf\u884c\u9ad8\u5ea6\u4e3a\u4e00\u4e2a\u5355\u50cf\u7d20\u5b57\u7b26\u9ad8\u5ea6\uff0c\u5373 8 \u50cf\u7d20\u3002\u8fd9\u91cc\u662f\u7b2c\u4e00\u884c\u6eda\u52a8\n    delay(2000);\n    display.stopscroll(); \/\/ \u505c\u6b62\u6eda\u52a8\n    delay(1000);\n\n    \/\/ \u4ece\u53f3\u5f80\u5de6\u6eda\u52a8\n    display.startscrollleft(1, 2); \/\/ 2\u30013 \u884c\u6eda\u52a8\n    delay(2000);\n    display.stopscroll();\n    delay(1000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699903015629.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 231px; --smush-placeholder-aspect-ratio: 231\/216;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699903026867.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 205px; --smush-placeholder-aspect-ratio: 205\/198;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"36_%E4%BD%8D%E5%9B%BE\"><\/span>3.6 \u4f4d\u56fe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\n#define STAR_HEIGHT   16\n#define STAR_WIDTH    16\n\n\/\/ \u661f\u661f\u56fe\u6848\n\/\/ PROGMEM \u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728 flash\nstatic const unsigned char PROGMEM star[] =\n{   0b00000000, 0b11000000,\n    0b00000001, 0b11000000,\n    0b00000001, 0b11000000,\n    0b00000011, 0b11100000,\n    0b11110011, 0b11100000,\n    0b11111110, 0b11111000,\n    0b01111110, 0b11111111,\n    0b00110011, 0b10011111,\n    0b00011111, 0b11111100,\n    0b00001101, 0b01110000,\n    0b00011011, 0b10100000,\n    0b00111111, 0b11100000,\n    0b00111111, 0b11110000,\n    0b01111100, 0b11110000,\n    0b01110000, 0b01110000,\n    0b00000000, 0b00110000 };\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(F(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;));\n        while (1);\n    }\n}\n\nvoid draw_star(int x, int y)\n{\n    display.clearDisplay();\n    \/\/ \u7ed8\u5236\u4f4d\u56fe\n    display.drawBitmap(x, y, \/\/ \u5de6\u4e0a\u89d2\u5750\u6807\n                        star, \/\/ \u56fe\u50cf\u6570\u636e\n                        STAR_WIDTH, STAR_HEIGHT, \/\/ \u56fe\u50cf\u5c3a\u5bf8\n                        SSD1306_WHITE);\n    display.display();\n}\n\nvoid loop()\n{\n    for (int i = 0; i &lt; 48; ++i)\n    {\n        draw_star(2 * i, i);\n        delay(100);\n    }\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699906658068.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 180px; --smush-placeholder-aspect-ratio: 180\/179;\" \/><\/p>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699906669118.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 159px; --smush-placeholder-aspect-ratio: 159\/158;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"37_%E5%8F%96%E6%A8%A1\"><\/span>3.7 \u53d6\u6a21<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u53d6\u6a21\u5de5\u5177\u4e0b\u8f7d\uff1a<a href=\"https:\/\/pan.baidu.com\/s\/1OI1mRI-rsP6qohK2DuV0dQ?pwd=r19e\">https:\/\/pan.baidu.com\/s\/1OI1mRI-rsP6qohK2DuV0dQ?pwd=r19e<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"371_%E5%9B%BE%E7%89%87%E5%8F%96%E6%A8%A1\"><\/span>3.7.1 \u56fe\u7247\u53d6\u6a21<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u524d\u9762\u4e00\u4e2a\u793a\u4f8b\u6253\u5f00\u4f4d\u56fe\uff0c\u800c\u4f4d\u56fe\u7684\u6570\u636e\u5c31\u9700\u8981\u53d6\u6a21\u751f\u6210<\/p>\n<p>\u9996\u5148\u53ef\u4ee5\u9009\u4e00\u5f20\u56fe\u7247\uff0c\u7528\u753b\u56fe\u6253\u5f00\uff0c\u51c6\u5907\u8c03\u6574\u5927\u5c0f<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699967272932.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 807px; --smush-placeholder-aspect-ratio: 807\/586;\" \/><\/p>\n<p>\u6211\u8fd9\u91cc OLED \u5206\u8fa8\u7387\u662f 128&#215;64\uff0c\u5c06 64 \u50cf\u7d20\u8fb9\u4f5c\u4e3a\u9ad8\uff0c\u90a3\u4e48\u8fd9\u91cc\u56fe\u7247\u7684\u50cf\u7d20\u9ad8\u5ea6\u5c31\u4e0d\u80fd\u8d85\u8fc7 64\uff0c\u6309\u8fd9\u91cc\u7684\u6bd4\u4f8b\u9ad8\u5ea6 64 \u65f6\uff0c\u5bbd\u5ea6\u80af\u5b9a\u8d85\u4e0d\u4e86 128\u3002\u6700\u7ec8\u56fe\u7247\u5927\u5c0f\u5c31\u8bbe\u7f6e\u4e3a 61&#215;64\uff0c\u7136\u540e\u4fdd\u5b58\u56fe\u7247\u3002\uff08\u7528\u753b\u56fe\u8c03\u6574\u7684\u539f\u56e0\u662f\u652f\u6301\u6309\u6bd4\u4f8b\u7f29\u653e\uff0c\u76f4\u63a5\u7528\u4e0b\u9762\u7684\u53d6\u6a21\u5de5\u5177\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u751f\u6210\u56fe\u50cf\u5927\u5c0f\uff0c\u4f46\u662f\u5982\u679c\u8981\u957f\u5bbd\u7ef4\u6301\u6bd4\u4f8b\u5c31\u5f97\u81ea\u5df1\u8ba1\u7b97\uff09<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699967371257.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 538px; --smush-placeholder-aspect-ratio: 538\/357;\" \/><\/p>\n<p>\u8fd0\u884c Img2Lcd\uff0c\u6253\u5f00\u521a\u624d\u4fdd\u5b58\u7684\u56fe\u7247<br \/>\n\u8f93\u51fa\u6570\u636e\u7c7b\u578b\u9009<strong>C\u8bed\u8a00\u6570\u7ec4<\/strong>\uff0c\u626b\u63cf\u6a21\u5f0f\u9009<strong>\u6c34\u5e73\u626b\u63cf<\/strong>\uff0c\u8f93\u51fa\u7070\u5ea6\u9009<strong>\u5355\u8272<\/strong>\uff0c\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u5c31\u8bbe\u7f6e\u4e3a\u4e0a\u9762\u8c03\u6574\u540e\u7684\u5927\u5c0f\uff0c\u8fd9\u91cc\u5c31\u662f 61&#215;64\uff0c\u4e0b\u9762\u7684\u90fd\u4e0d\u52fe\u9009\uff0c\u7136\u540e\u4fdd\u5b58<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699967679682.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 718px; --smush-placeholder-aspect-ratio: 718\/546;\" \/><\/p>\n<p>\u751f\u6210\u7684\u6570\u636e\u5c31\u53ef\u4ee5\u7528\u4e8e OLED \u7ed8\u5236<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699967729103.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 733px; --smush-placeholder-aspect-ratio: 733\/722;\" \/><\/p>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\n\/\/ \u56fe\u7247\u5927\u5c0f\n#define IMG_WIDTH    61\n#define IMG_HEIGHT   64\n\n\/\/ \u56fe\u7247\u6570\u636e\nstatic const unsigned char PROGMEM img[] =\n{   0XF9,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XEF,0XFF,0XFF,0XFF,0XFF,0XFF,\n    0XFF,0XFF,0XF3,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XF0,0X7F,0XFF,0XFF,0XFF,0XFF,\n    0XFF,0XFF,0XE0,0X07,0XFF,0XFF,0XFF,0XF8,0XFF,0XFF,0X00,0X01,0X7F,0XFF,0XFF,0XFB,\n    0XFF,0XF8,0X07,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XF0,0X03,0XC0,0X0F,0XFF,0XFF,0XFC,\n    0XFF,0XE7,0XFD,0XF0,0X0F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XF0,0X0F,0XFF,0XFF,0XFF,\n    0XFE,0X07,0XFF,0XBE,0X07,0XFF,0XFF,0XFF,0XF0,0X07,0XFE,0XFF,0X83,0XFF,0XFF,0XFF,\n    0XF0,0X0F,0XFF,0X7F,0XC3,0XFF,0XFF,0XFB,0XF8,0X1F,0XFF,0X9F,0XE1,0XFF,0XFF,0XFF,\n    0XF8,0X1F,0XFF,0XEF,0XF0,0XFF,0XFF,0XFF,0XFC,0X3F,0XFF,0XF7,0XF0,0XFF,0XFF,0XFF,\n    0XFC,0X7F,0XFF,0XFB,0XF8,0X7F,0XFF,0XF9,0XF8,0XFF,0XFF,0XFF,0XFC,0XFF,0XFF,0XFF,\n    0XF9,0XFF,0XFF,0XFF,0XFF,0X7F,0XFF,0XFF,0XF3,0XFF,0XFF,0XFF,0XFF,0X7F,0XFF,0XFF,\n    0XF3,0XFF,0XFF,0XFF,0XFE,0X3F,0XFF,0XFF,0XF7,0XFF,0XFF,0XF3,0XFF,0X1F,0XFF,0XFE,\n    0XF7,0XFF,0XFF,0XFF,0XFF,0XCF,0XFF,0XFF,0XF7,0XFF,0XFF,0XFF,0XFF,0XC7,0XFF,0XFF,\n    0XF3,0XFF,0XFF,0XFF,0XFF,0XC3,0XFF,0XFC,0XFB,0XF3,0XDF,0XFF,0XFF,0XC0,0XFF,0XFE,\n    0XF9,0XFF,0XC3,0XFF,0XFF,0XF0,0XFF,0XFF,0XFD,0X7C,0X60,0XFF,0XFF,0XFC,0X7F,0XFF,\n    0XFE,0X38,0X60,0X0F,0XFF,0XFE,0X7F,0XFF,0XFF,0X99,0XE0,0X07,0XFF,0XFE,0X7F,0XFD,\n    0XFF,0XCC,0X60,0X03,0XFF,0XFF,0XFF,0XFF,0XFF,0XC6,0X40,0X01,0X7F,0XFF,0XBF,0XF8,\n    0XFF,0XE2,0X40,0X00,0X3F,0XFF,0X1F,0XF8,0XFF,0XF0,0X40,0X00,0X1F,0XFE,0X8F,0XFF,\n    0XFF,0XF8,0X40,0X00,0X07,0XF0,0X27,0XFF,0XFF,0XFF,0X00,0X00,0X01,0XE0,0X17,0XFF,\n    0XFF,0XFF,0XE0,0X00,0X00,0XC0,0X1B,0XF9,0XFF,0XFF,0XE0,0X18,0X01,0X00,0X09,0XFF,\n    0XFF,0XFF,0XE0,0X3C,0X04,0X00,0X01,0XF8,0XFF,0XFF,0XF0,0X3E,0X00,0X00,0X03,0XF8,\n    0XFF,0XFF,0XF8,0XFE,0X00,0X00,0X00,0XF8,0XFF,0XFF,0XFE,0XFC,0X00,0X00,0X00,0XFF,\n    0XFF,0XFF,0XFF,0X7C,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X1F,\n    0XFF,0XFF,0XFF,0XF0,0X00,0X00,0X00,0X0F,0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X06,\n    0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X01,0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X18,\n    0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X1C,0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X08,\n    0XFF,0XFF,0XFF,0XE0,0X01,0XC0,0X00,0X0F,0XFF,0XFF,0XFF,0XE0,0X03,0XC0,0X00,0X0F,\n    0XFF,0XFF,0XFF,0XE0,0X07,0XE0,0X00,0X07,0XFF,0XFF,0XFF,0XC0,0X0F,0XE0,0X00,0X07,\n    0XFF,0XFF,0XFF,0XD0,0X1F,0XF0,0X00,0X00,0XFF,0XFF,0XFF,0XC0,0X1F,0XF8,0X00,0X00,\n    0XFF,0XFF,0XFF,0XC0,0X3F,0XF8,0X00,0X00,0XFF,0XFF,0XFF,0XC0,0X3F,0XFC,0X00,0X07,\n    0XFF,0XFF,0XFF,0XC0,0X3F,0XFF,0X00,0X00,0XFF,0XFF,0XFF,0XC0,0X7F,0XFF,0X80,0X07,\n    0XFF,0XFF,0XFF,0XC0,0X7F,0XFF,0X80,0X07,0XFF,0XFF,0XFF,0XC6,0X7F,0XFF,0XC1,0X07,\n    0XFF,0XFF,0XFF,0XC0,0XFF,0XFF,0XFB,0XC7,0XFF,0XFF,0XFF,0XC7,0XFF,0XFF,0XFF,0X80,};\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(F(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;));\n        while (1);\n    }\n\n    display.clearDisplay();\n    display.drawBitmap(0, 0, \/\/ \u5de6\u4e0a\u89d2\u5750\u6807\n                        img, \/\/ \u56fe\u50cf\u6570\u636e\n                        IMG_WIDTH, IMG_HEIGHT, \/\/ \u56fe\u50cf\u5c3a\u5bf8\n                        SSD1306_WHITE);\n    display.display();\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699968121308.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 191px; --smush-placeholder-aspect-ratio: 191\/178;\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"372_%E5%AD%97%E7%AC%A6%E5%8F%96%E6%A8%A1%EF%BC%88%E6%B1%89%E5%AD%97%EF%BC%89\"><\/span>3.7.2 \u5b57\u7b26\u53d6\u6a21\uff08\u6c49\u5b57\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd0\u884c PCtoLCD2002\uff0c\u6a21\u5f0f\u9009\u62e9\u5982\u56fe<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699969110325.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 174px; --smush-placeholder-aspect-ratio: 174\/85;\" \/><\/p>\n<p>\u7136\u540e\u9009\u62e9\u5b57\u4f53\u548c\u8bbe\u7f6e\u5927\u5c0f<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699969321783.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 280px; --smush-placeholder-aspect-ratio: 280\/32;\" \/><\/p>\n<p>\u9009\u9879\u8bbe\u7f6e\u5982\u56fe<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699970936798.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 477px; --smush-placeholder-aspect-ratio: 477\/289;\" \/><\/p>\n<p>\u7136\u540e\u751f\u6210\u5b57\u6a21<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699971014265.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 581px; --smush-placeholder-aspect-ratio: 581\/469;\" \/><\/p>\n<p>\u7136\u540e\u5c31\u53ef\u4ee5\u5728 OLED \u663e\u793a<\/p>\n<pre><code class=\"language-cpp\">#include &lt;Wire.h&gt;\n#include &lt;Adafruit_SSD1306.h&gt;\n\n\/\/ \u5c4f\u5e55\u5206\u8fa8\u7387\n#define OLED_WIDTH      128\n#define OLED_HEIGHT     64\n\n\/\/ IIC \u5730\u5740\n#define OLED_ADDRESS    0x3C\n\n\/\/ \u590d\u4f4d\u5f15\u811a\n#define OLED_RESET      -1 \/\/ \u4e0d\u4f7f\u7528\n\nAdafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\n\/\/ \u5b57\u6a21\u5927\u5c0f\n#define FONT_WIDTH    16\n#define FONT_HEIGHT   16\n\n\/\/ \u5b57\u6a21\nstatic const unsigned char PROGMEM font[][32] =\n{\n    0x08,0x80,0x08,0x80,0x08,0x80,0x11,0xFE,0x11,0x02,0x32,0x04,0x34,0x20,0x50,0x20,\n    0x91,0x28,0x11,0x24,0x12,0x24,0x12,0x22,0x14,0x22,0x10,0x20,0x10,0xA0,0x10,0x40,\/*&quot;\u4f60&quot;,0*\/\n\n    0x10,0x00,0x10,0xFC,0x10,0x04,0x10,0x08,0xFC,0x10,0x24,0x20,0x24,0x20,0x25,0xFE,\n    0x24,0x20,0x48,0x20,0x28,0x20,0x10,0x20,0x28,0x20,0x44,0x20,0x84,0xA0,0x00,0x40,\/*&quot;\u597d&quot;,1*\/\n\n    0x02,0x20,0x12,0x20,0x12,0x20,0x12,0x20,0x12,0x20,0xFF,0xFE,0x12,0x20,0x12,0x20,\n    0x12,0x20,0x12,0x20,0x13,0xE0,0x10,0x00,0x10,0x00,0x10,0x00,0x1F,0xFC,0x00,0x00,\/*&quot;\u4e16&quot;,2*\/\n\n    0x00,0x00,0x1F,0xF0,0x11,0x10,0x11,0x10,0x1F,0xF0,0x11,0x10,0x11,0x10,0x1F,0xF0,\n    0x02,0x80,0x0C,0x60,0x34,0x58,0xC4,0x46,0x04,0x40,0x08,0x40,0x08,0x40,0x10,0x40,\/*&quot;\u754c&quot;,3*\/\n};\n\nvoid setup()\n{\n    Serial.begin(115200);\n    delay(10);\n\n    if (!display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS))\n    {\n        Serial.println(F(&quot;OLED \u521d\u59cb\u5316\u5931\u8d25\uff01&quot;));\n        while (1);\n    }\n\n    display.clearDisplay();\n    display.drawBitmap(32, 24, font[0], FONT_WIDTH, FONT_HEIGHT, SSD1306_WHITE);\n    display.drawBitmap(48, 24, font[1], FONT_WIDTH, FONT_HEIGHT, SSD1306_WHITE);\n    display.drawBitmap(64, 24, font[2], FONT_WIDTH, FONT_HEIGHT, SSD1306_WHITE);\n    display.drawBitmap(80, 24, font[3], FONT_WIDTH, FONT_HEIGHT, SSD1306_WHITE);\n    display.display();\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1699971698775.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 199px; --smush-placeholder-aspect-ratio: 199\/187;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"38_%E5%B1%80%E9%83%A8%E5%88%B7%E6%96%B0\"><\/span>3.8 \u5c40\u90e8\u5237\u65b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6709\u65f6\u5019\u663e\u793a\u7684\u4e1c\u897f\u53ea\u6709\u5c40\u90e8\u53d8\u5316\uff0c\u5176\u5b83\u90e8\u5206\u53ef\u80fd\u4e00\u76f4\u90fd\u663e\u793a\u76f8\u540c\u7684\uff0c\u90a3\u4e48\u5237\u65b0\u53d8\u5316\u7684\u5185\u5bb9\u7684\u65f6\u5019\u5c31\u6ca1\u5fc5\u8981\u5168\u5c4f\u91cd\u5199\uff0c\u53ea\u9700\u8981\u91cd\u5199\u53d8\u5316\u7684\u90e8\u5206\u5c31\u884c\u3002\u4f46\u662f\u4e5f\u4e0d\u80fd\u76f4\u63a5\u5f80\u53d8\u5316\u7684\u90e8\u5206\u5199\uff0c\u8fd9\u6837\u4f1a\u548c\u4ee5\u524d\u663e\u793a\u7684\u5185\u5bb9\u91cd\u53e0\uff0c\u8981\u89e3\u51b3\u7684\u5173\u952e\u95ee\u9898\u5c31\u662f\u5982\u4f55\u53ea\u6e05\u9664\u8981\u66f4\u65b0\u7684\u90e8\u5206\uff0c\u7136\u540e\u518d\u5199\u3002<br \/>\n\u8fd9\u4e2a\u5c31\u53ef\u4ee5\u5229\u7528\u524d\u9762\u6f14\u793a\u7528\u8fc7\u7684\u586b\u5145\u77e9\u5f62\u51fd\u6570\u6765\u5b9e\u73b0\uff0c\u67d0\u90e8\u5206\u8981\u91cd\u5199\uff0c\u5c31\u5148\u7528\u586b\u5145\u77e9\u5f62\u6307\u5b9a\u8303\u56f4\uff0c\u4f46\u662f\u586b\u5145\u989c\u8272\u9009\u9ed1\u8272\u5c31\u4f1a\u62b9\u6389\u8fd9\u90e8\u5206\uff0c\u518d\u5199\u5230\u8fd9\u4e2a\u5730\u65b9\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5c40\u90e8\u5237\u65b0\u3002<\/p>\n<p>\u4e0b\u9762\u5199\u7684\u4f2a\u4ee3\u7801\uff0c\u5927\u81f4\u7406\u89e3\u903b\u8f91<\/p>\n<pre><code class=\"language-cpp\">\/\/ \u5b9e\u4f8b\u5bf9\u8c61\nAdafruit_SSD1306 oled(OLED_WIDTH, OLED_HEIGHT, &amp;Wire, OLED_RESET);\n\n\/\/ \u521d\u59cb\u5316\noled.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS);\n\n\/\/ \u6e05\u5c4f\noled.clearDisplay();\n\n\/\/ \u8bbe\u7f6e\u6253\u5370\u989c\u8272\u4e3a\u767d\u8272\noled.setTextColor(SSD1306_WHITE);\n\n\/\/ \u56fa\u5b9a\u4e0d\u53d8\u7684\u663e\u793a\u5185\u5bb9\noled.print(&quot;counter:&quot;);\n\n\/\/ \u52a8\u6001\u53d8\u5316\u7684\u663e\u793a\u5185\u5bb9\uff08\u9700\u8981\u5c40\u90e8\u5237\u65b0\u7684\uff09\nfor (int i = 0; i &lt; 10; ++i)\n{\n    oled.fillRect(48, 0, 6, 8, SSD1306_BLACK); \/\/ \u5237\u65b0\u90e8\u4f4d\u5c40\u90e8\u7ed8\u5236\u4e3a\u9ed1\u8272\uff08\u6e05\u7a7a\uff09\n    oled.setCursor(48, 0); \/\/ \u8bbe\u7f6e\u8981\u663e\u793a\u90e8\u4f4d\u5750\u6807\n    oled.print(i); \/\/ \u5199\u5165\u6700\u65b0\u663e\u793a\u5185\u5bb9\n    oled.display(); \/\/ \u663e\u793a\n\n    delay(1000);\n}<\/code><\/pre>\n<p><img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/11\/image-1700125879991.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 109px; --smush-placeholder-aspect-ratio: 109\/67;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1 \u73af\u5883 1.1 \u786c\u4ef6 ESP32-WROOM-32 128&#215;64 OLED\uff08IIC\uff09 1.2 \u8f6f\u4ef6 [&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-11915","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\/11915","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=11915"}],"version-history":[{"count":0,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/11915\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}