{"id":1301,"date":"2024-04-15T09:59:02","date_gmt":"2024-04-15T01:59:02","guid":{"rendered":"https:\/\/xujiwei.com\/blog\/?p=1301"},"modified":"2024-04-28T23:03:53","modified_gmt":"2024-04-28T15:03:53","slug":"diy-usb-meter-oled-display","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/","title":{"rendered":"DIY USB \u7535\u6d41\u8868\uff086\uff09\uff1a\u70b9\u4e2a\u5c4f\uff0c\u4f7f\u7528 I2C \u9a71\u52a8 0.96 \u5bf8 OLED"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e3e883b0124\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%87%86%E5%A4%87%E5%B7%A5%E4%BD%9C\" title=\"\u51c6\u5907\u5de5\u4f5c\">\u51c6\u5907\u5de5\u4f5c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%8F%82%E8%80%83%E9%A1%B9%E7%9B%AE_CH32V003-GameConsole\" title=\"\u53c2\u8003\u9879\u76ee CH32V003-GameConsole\">\u53c2\u8003\u9879\u76ee CH32V003-GameConsole<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%A4%8D%E5%88%B6%E9%A9%B1%E5%8A%A8%E4%BB%A3%E7%A0%81\" title=\"\u590d\u5236\u9a71\u52a8\u4ee3\u7801\">\u590d\u5236\u9a71\u52a8\u4ee3\u7801<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E4%BA%86%E8%A7%A3_I2C_%E5%8D%8F%E8%AE%AE\" title=\"\u4e86\u89e3 I2C \u534f\u8bae\">\u4e86\u89e3 I2C \u534f\u8bae<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E8%AE%A1%E7%AE%97%E5%B1%8F%E5%B9%95%E5%88%B7%E6%96%B0%E5%B8%A7%E7%8E%87\" title=\"\u8ba1\u7b97\u5c4f\u5e55\u5237\u65b0\u5e27\u7387\">\u8ba1\u7b97\u5c4f\u5e55\u5237\u65b0\u5e27\u7387<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%AD%97%E7%AC%A6%E6%98%BE%E7%A4%BA%E9%A9%B1%E5%8A%A8\" title=\"\u5b57\u7b26\u663e\u793a\u9a71\u52a8\">\u5b57\u7b26\u663e\u793a\u9a71\u52a8<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E7%82%B9%E9%98%B5%E5%AD%97%E4%BD%93\" title=\"\u70b9\u9635\u5b57\u4f53\">\u70b9\u9635\u5b57\u4f53<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%AD%97%E4%BD%93%E6%A0%BC%E5%BC%8F\" title=\"\u5b57\u4f53\u683c\u5f0f\">\u5b57\u4f53\u683c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E6%98%BE%E7%A4%BA%E9%A9%B1%E5%8A%A8\" title=\"\u663e\u793a\u9a71\u52a8\">\u663e\u793a\u9a71\u52a8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E6%B5%8B%E8%AF%95%E6%98%BE%E7%A4%BA\" title=\"\u6d4b\u8bd5\u663e\u793a\">\u6d4b\u8bd5\u663e\u793a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E6%98%BE%E7%A4%BA%E6%95%88%E6%9E%9C\" title=\"\u663e\u793a\u6548\u679c\">\u663e\u793a\u6548\u679c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E7%A1%AE%E5%AE%9A%E6%98%BE%E7%A4%BA%E6%95%B0%E6%8D%AE%E5%B8%83%E5%B1%80\" title=\"\u786e\u5b9a\u663e\u793a\u6570\u636e\u5e03\u5c40\">\u786e\u5b9a\u663e\u793a\u6570\u636e\u5e03\u5c40<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%B0%8F%E7%BB%93\" title=\"\u5c0f\u7ed3\">\u5c0f\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#USB_%E7%94%B5%E6%B5%81%E8%A1%A8%E5%BC%80%E6%BA%90%E5%9C%B0%E5%9D%80\" title=\"USB \u7535\u6d41\u8868\u5f00\u6e90\u5730\u5740\">USB \u7535\u6d41\u8868\u5f00\u6e90\u5730\u5740<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#DIY_USB_%E7%94%B5%E6%B5%81%E8%A1%A8%E7%B3%BB%E5%88%97\" title=\"DIY USB \u7535\u6d41\u8868\u7cfb\u5217\">DIY USB \u7535\u6d41\u8868\u7cfb\u5217<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" title=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<p>\u5728\u524d\u4e00\u7bc7 <a href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-setup-fw-dev\/\">\u300aDIY USB \u7535\u6d41\u8868\uff085\uff09\uff1a\u4f7f\u7528 VSCode + PlatformIO \u642d\u5efa\u56fa\u4ef6\u5f00\u53d1\u73af\u5883\u300b<\/a> \u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86\u5f00\u53d1 USB \u7535\u6d41\u8868\u56fa\u4ef6\u7684\u5f00\u53d1\u73af\u5883\u642d\u5efa\uff0c\u6574\u4e2a\u5f00\u53d1\u73af\u5883\u57fa\u4e8e Visual Studio Code + PlatformIO \u6765\u5b8c\u6210\uff0c\u5e76\u4e14\u8dd1\u901a\u4e86\u4e00\u4e2a\u57fa\u672c\u7684 Demo\uff0c\u9a8c\u8bc1\u4e86\u5f00\u53d1\u73af\u5883\u3002<\/p>\n<p>\u56fa\u4ef6\u5f00\u53d1\u7684\u7b2c\u4e00\u6b65\uff0c\u6211\u4eec\u5148\u5c06\u6700\u7ec8\u8f93\u51fa\u6570\u636e\u7684\u663e\u793a\u8bbe\u5907\uff0c0.96 \u5bf8 OLED \u5c4f\u5e55\u7ed9\u70b9\u4eae\uff0c\u8fd9\u6837\u5728\u540e\u7eed\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5c4f\u5e55\u6765\u663e\u793a\u4e00\u4e2a\u8c03\u8bd5\u6570\u636e\u4fe1\u606f\u3002<\/p>\n<p>PS. \u6211\u4e5f\u8fd8\u662f\u4e00\u4e2a\u521d\u5b66\u8005\uff0c\u5982\u679c\u6587\u7ae0\u4e2d\u6709\u4e00\u4e9b\u9519\u8bef\u6216\u4e0d\u8db3\uff0c\u8fd8\u8bf7\u591a\u591a\u6307\u6559\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%87%86%E5%A4%87%E5%B7%A5%E4%BD%9C\"><\/span>\u51c6\u5907\u5de5\u4f5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u5f00\u59cb\u5f00\u53d1\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u505a\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\uff0c\u4f7f\u7528 PlatformIO \u521b\u5efa\u9879\u76ee\u5e76\u4e0d\u5305\u542b\u5f88\u591a\u4f7f\u7528\u793a\u4f8b\uff0c\u4f8b\u5982\u5982\u4f55\u4f7f\u7528 GPIO\uff0c\u5982\u4f55\u4f7f\u7528 I2C \u603b\u7ebf\u7b49\uff0c\u5e76\u4e14\u4f7f\u7528 platform-ch32v \u65f6\uff0c\u5b83\u7684\u51fd\u6570\u5b9a\u4e49\u4e0e\u5b98\u65b9\u793a\u4f8b\u4e5f\u4e0d\u592a\u76f8\u540c\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u627e\u4e00\u4e2a\u7c7b\u4f3c\u7684\u5f00\u6e90\u9879\u76ee\u4f5c\u4e3a\u53c2\u8003\uff0c\u4ece\u800c\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u5b8c\u6210 USB \u7535\u6d41\u8868\u7684\u56fa\u4ef6\u5f00\u53d1\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E9%A1%B9%E7%9B%AE_CH32V003-GameConsole\"><\/span>\u53c2\u8003\u9879\u76ee CH32V003-GameConsole<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9879\u76ee\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/wagiminator\/CH32V003-GameConsole\">https:\/\/github.com\/wagiminator\/CH32V003-GameConsole<\/a><\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-1.jpg\" alt=\"diy-usb-meter-6-1\" style=\"zoom:50%;\" \/><\/p>\n<p>\u6211\u5c31\u4ece CH32V003-GameConsole \u8fd9\u4e2a\u9879\u76ee\u4e86\u89e3\u5230 CH32V003 \u8fd9\u6b3e MCU\uff0c\u5e76\u4e14\u5f00\u59cb\u5c1d\u8bd5\u4f7f\u7528\u7684\uff0c\u521a\u597d\u8fd9\u4e2a\u9879\u76ee\u672c\u8eab\u5305\u542b\u4e86 0.96 \u5bf8 OLED \u5c4f\u5e55\u7684\u9a71\u52a8\u4ee5\u53ca GPIO\u3001ADC \u7b49\u7684\u4f7f\u7528\uff0c\u4e0e USB \u7535\u6d41\u8868\u7684\u9700\u6c42\u57fa\u672c\u543b\u5408\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4ed6\u5176\u4e2d\u7684\u76f8\u5173\u4ee3\u7801\u6765\u52a0\u901f\u5f00\u53d1\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u9879\u76ee\u4e2d\uff0c\u5df2\u7ecf\u5c01\u88c5\u4e86 OLED \u7684\u9a71\u52a8\uff0c\u5e76\u4e14\u5305\u542b\u4e86 I2C \u603b\u7ebf\u7684\u521d\u59cb\u5316\u7b49\u5de5\u4f5c\uff0c\u5728\u8fd9\u91cc\u5c31\u53ef\u4ee5\u7a0d\u52a0\u5c01\u88c5\u540e\u62ff\u6765\u4f7f\u7528\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%A4%8D%E5%88%B6%E9%A9%B1%E5%8A%A8%E4%BB%A3%E7%A0%81\"><\/span>\u590d\u5236\u9a71\u52a8\u4ee3\u7801<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4ece CH32V003-GameConsole \u9879\u76ee\u4e2d\uff0c\u4e3b\u8981\u9700\u8981\u4f7f\u7528 OLED \u548c I2C \u76f8\u5173\u7684\u4ee3\u7801\uff0c\u5c06\u5b83\u4eec\u590d\u5236\u8fc7\u6765\uff0c\u653e\u5230 USB \u7535\u6d41\u8868\u56fa\u4ef6\u9879\u76ee\u7684 <code>src\/drivers<\/code> \u76ee\u5f55\u4e2d\u3002<\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-2.jpg\" alt=\"diy-usb-meter-6-2\" style=\"zoom:50%;\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E4%BA%86%E8%A7%A3_I2C_%E5%8D%8F%E8%AE%AE\"><\/span>\u4e86\u89e3 I2C \u534f\u8bae<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5f53\u524d\u9879\u76ee\u4e2d\u4f7f\u7528\u7684 0.96 \u5bf8 OLED\uff0c\u5b83\u7684\u9a71\u52a8\u82af\u7247\u662f SSD1306\uff0c\u5373\u652f\u6301\u4f7f\u7528 I2C \u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u4e5f\u652f\u6301\u4f7f\u7528 SPI \u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u4e3a\u4e86\u6709\u53c2\u8003\u9879\u76ee\u53ef\u4ee5\u4f7f\u7528\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e86\u73b0\u6210\u7684\u4f7f\u7528 I2C \u901a\u4fe1\u7684\u5c4f\u5e55\u6a21\u5757\u3002<\/p>\n<p>I2C \u534f\u8bae\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\u7ecf\u5e38\u4f1a\u4f7f\u7528\u5230\u7684\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\uff0c\u5177\u5907\u5360\u7528\u5f15\u811a\u5c11\uff0c\u652f\u6301\u4e00\u5bf9\u591a\u901a\u4fe1\u7b49\u4f18\u70b9\u3002<\/p>\n<blockquote>\n<p>I2C\uff08Inter-Integrated Circuit\uff09\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u96c6\u6210\u7535\u8def\uff08IC\uff09\u4e4b\u95f4\u8fdb\u884c\u77ed\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3002\u5b83\u7531\u98de\u5229\u6d66\uff08Philips\uff09\u516c\u53f8\u4e8e1982\u5e74\u5f00\u53d1\uff0c\u65e8\u5728\u7b80\u5316\u6570\u5b57\u7535\u8def\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<p>I2C\u534f\u8bae\u4f7f\u7528\u4e24\u6839\u7ebf\u6765\u8fdb\u884c\u901a\u4fe1\uff1a<\/p>\n<ol>\n<li>SDA\uff08Serial Data Line\uff09\uff1a\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u3002<\/li>\n<li>SCL\uff08Serial Clock Line\uff09\uff1a\u7528\u4e8e\u540c\u6b65\u6570\u636e\u4f20\u8f93\u7684\u65f6\u949f\u4fe1\u53f7\u3002<\/li>\n<\/ol>\n<p>I2C\u901a\u4fe1\u57fa\u4e8e\u4e3b\u4ece\u67b6\u6784\uff0c\u5176\u4e2d\u4e3b\u8bbe\u5907\u8d1f\u8d23\u53d1\u8d77\u548c\u63a7\u5236\u901a\u4fe1\uff0c\u800c\u4ece\u8bbe\u5907\u5219\u54cd\u5e94\u4e3b\u8bbe\u5907\u7684\u8bf7\u6c42\u3002<\/p>\n<\/blockquote>\n<p>\u5bf9\u4e8e I2C \u534f\u8bae\u7684\u66f4\u591a\u5176\u4ed6\u77e5\u8bc6\uff0c\u4f8b\u5982\u901a\u4fe1\u901f\u5ea6\u3001\u65f6\u5e8f\u7b49\uff0c\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff1a <a href=\"https:\/\/zhuanlan.zhihu.com\/p\/362287272\">https:\/\/zhuanlan.zhihu.com\/p\/362287272<\/a> \u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%AE%A1%E7%AE%97%E5%B1%8F%E5%B9%95%E5%88%B7%E6%96%B0%E5%B8%A7%E7%8E%87\"><\/span>\u8ba1\u7b97\u5c4f\u5e55\u5237\u65b0\u5e27\u7387<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5bf9\u4e8e\u6709\u663e\u793a\u5c4f\u5e55\u7684\u8bbe\u5907\u6765\u8bf4\uff0c\u76f8\u5f53\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662f\u5237\u65b0\u65f6\u5360\u7528\u7684\u65f6\u95f4\uff0c\u8fd9\u5c06\u5f71\u54cd\u5230\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u5c4f\u5e55\u6570\u636e\u663e\u793a\u662f\u5426\u6d41\u7545\uff0c\u5237\u65b0\u8d8a\u6162\uff0c\u4f1a\u8ba9\u4eba\u89c9\u5f97\u6570\u636e\u66f4\u65b0\u6162\uff0c\u4e0d\u53ca\u65f6<\/li>\n<li>\u5355\u6b21\u5237\u65b0\u65f6\u95f4\u8d8a\u957f\uff0c\u8d8a\u5360\u7528 CPU \u65f6\u95f4\uff0c\u5bfc\u81f4\u5176\u4ed6\u4ee3\u7801\u7684\u8fd0\u884c\u65f6\u95f4\u51cf\u5c11<\/li>\n<li>\u5c4f\u5e55\u5237\u65b0\u65f6\u95f4\u957f\u4e5f\u4f1a\u5bfc\u81f4\u6709\u6309\u94ae\u64cd\u4f5c\u65f6\uff0c\u8ba9\u7528\u6237\u89c9\u5f97\u54cd\u5e94\u4e0d\u53ca\u65f6<\/li>\n<\/ul>\n<p>CH32V003 \u7684 I2C \u53ef\u4ee5\u5de5\u4f5c\u5728\u5feb\u901f\u6a21\u5f0f\u4e0b\uff0c\u8fd9\u4e2a\u65f6\u5019\u901a\u4fe1\u901f\u7387\u4e3a 400kbit\/s\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u8ba1\u7b97\u4e00\u4e0b OLED \u5c4f\u5e55\u6700\u9ad8\u80fd\u8fbe\u5230\u7684\u5237\u65b0\u901f\u5ea6\u3002<\/p>\n<p>\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u5c4f\u5e55\u662f 0.96 \u5bf8 OLED \u5c4f\u5e55\uff0c\u5206\u8fa8\u7387\u4e3a 128 * 64\uff0c\u56e0\u4e3a\u662f\u5355\u8272\u5c4f\u5e55\uff0c\u6bcf\u4e2a\u50cf\u7d20\u53ea\u9700\u8981 1 \u4e2a\u6bd4\u7279\u5c31\u53ef\u4ee5\u8868\u793a\u4eae\u8fd8\u662f\u706d\uff0c\u56e0\u6b64\u6bcf\u6b21\u5168\u5c4f\u5237\u65b0\u65f6\u7684\u6570\u636e\u91cf\u4e3a\uff1a<\/p>\n<p><code>128 * 64 = 6912 bits <\/code><\/p>\n<p>\u5728\u4e0d\u8003\u8651\u901a\u4fe1\u4e2d\u989d\u5916\u6570\u636e\u6d88\u8017\u65f6\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\u4f7f\u7528 400kbit\/s \u7684\u901f\u7387\u53ef\u4ee5\u8fbe\u5230\u7684\u5237\u65b0\u7387\u4e3a\uff1a<\/p>\n<p><code>400000 \/ 6912 = 57.87 FPS<\/code><\/p>\n<p>\u518d\u8003\u8651\u5176\u4ed6\u4ee3\u7801\u7684\u6267\u884c\u65f6\u95f4\uff0c\u5e94\u8be5\u81f3\u5c11\u53ef\u4ee5\u8fbe\u5230 30 FPS \u4ee5\u4e0a\u7684\u5c4f\u5e55\u5237\u65b0\u7387\uff0c\u5bf9\u4e8e USB \u7535\u6d41\u8868\u8fd9\u6837\u4e00\u4e2a\u9879\u76ee\u800c\u8a00\uff0c\u4e5f\u8db3\u591f\u8ba9\u4f7f\u7528\u8005\u611f\u89c9\u5230\u6570\u636e\u5237\u65b0\u975e\u5e38\u53ca\u65f6\u4e86\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%AD%97%E7%AC%A6%E6%98%BE%E7%A4%BA%E9%A9%B1%E5%8A%A8\"><\/span>\u5b57\u7b26\u663e\u793a\u9a71\u52a8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u53c2\u8003\u9879\u76ee CH32V003-GameConsole \u4e2d\uff0c\u5b83\u4e3b\u8981\u7528\u6765\u663e\u793a\u4e00\u4e9b\u56fe\u7247\u8d44\u6e90\uff0c\u4f46\u662f\u6211\u4eec\u9700\u8981\u663e\u793a\u5b57\u7b26\uff0c\u8fd9\u5c31\u9700\u8981\u81ea\u5df1\u989d\u5916\u5f00\u53d1\u4e00\u4e0b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E7%82%B9%E9%98%B5%E5%AD%97%E4%BD%93\"><\/span>\u70b9\u9635\u5b57\u4f53<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u8fd9\u79cd\u4f4e\u5206\u8fa8\u7387\u7684\u70b9\u9635\u5c4f\u5e55\u4e0a\uff0c\u6211\u4eec\u9700\u8981\u627e\u4e00\u6b3e\u5408\u9002\u4e00\u70b9\u7684\u5b57\u4f53\u6765\u663e\u793a\u5185\u5bb9\u3002\u6211\u4eec\u4f7f\u7528\u7684\u5c4f\u5e55\u5206\u8fa8\u7387\u4e3a 128 * 64\uff0c\u4e3a\u4e86\u80fd\u8ba9\u663e\u793a\u7684\u5185\u5bb9\u66f4\u5bb9\u6613\u770b\u6e05\u695a\uff0c\u5c06\u5c4f\u5e55\u5206\u4e3a 4 \u884c\uff0c\u5782\u76f4\u65b9\u5411\u6bcf 16 \u4e2a\u50cf\u7d20\u663e\u793a\u4e00\u884c\u6587\u5b57\u3002<\/p>\n<p>\u53e6\u5916\u4e3a\u4e86\u53ef\u4ee5\u8ba9\u663e\u793a\u7684\u5185\u5bb9\u5bf9\u9f50\uff0c\u6211\u4eec\u8fd9\u91cc\u4f7f\u7528\u7b49\u5bbd\u5b57\u4f53\uff0c\u56e0\u4e3a\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u82f1\u6587\u5b57\u7b26\u7684\u5bbd\u5ea6\u662f\u9ad8\u5ea6\u7684\u4e00\u534a\uff0c\u56e0\u6b64\u8fd9\u91cc\u53ef\u4ee5\u5f97\u5230\u6bcf\u4e2a\u5b57\u7b26\u5360\u7528\u7684\u50cf\u7d20\u4e3a 8 * 16 \u50cf\u7d20\u3002<\/p>\n<p>\u6839\u636e\u5c4f\u5e55\u5206\u8fa8\u7387\u53ef\u4ee5\u8ba1\u7b97\u51fa\u6765\uff0c\u4f7f\u7528\u8fd9\u4e2a\u5c3a\u5bf8\u7684\u5b57\u4f53\u540e\uff0c\u4e00\u884c\u6700\u591a\u53ef\u4ee5\u663e\u793a 16 \u4e2a\u5b57\u7b26\uff0c\u4e00\u5171 4 \u884c\uff0c\u603b\u8ba1\u53ef\u4ee5\u663e\u793a 64 \u4e2a\u5b57\u7b26\u3002<\/p>\n<p>\u5728\u7f51\u4e0a\u627e\u4e86\u4e00\u4e0b\u4e4b\u540e\uff0c\u6700\u7ec8\u627e\u5230\u4e00\u6b3e ModernDos \u5b57\u4f53\uff0c\u611f\u89c9\u6bd4\u8f83\u9002\u5408\u7528\u6765\u663e\u793a USB \u7535\u6d41\u8868\u7684\u6570\u636e\u3002<\/p>\n<p>\u5b57\u4f53\u9879\u76ee\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/datacute\/TinyOLED-Fonts\">https:\/\/github.com\/datacute\/TinyOLED-Fonts<\/a><\/p>\n<p>\u6211\u4eec\u53ea\u9700\u8981\u6587\u5b57\u9879\u76ee\u4e2d <code>src\/ModernDos.h<\/code> \u8fd9\u4e2a\u6587\u4ef6\uff0c\u5c06\u5b83\u590d\u5236\u5230 USB \u7535\u6d41\u8868\u56fa\u4ef6\u9879\u76ee\u7684 <code>src\/res<\/code> \u76ee\u5f55\u4e2d\uff1a<\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-3.jpg\" alt=\"diy-usb-meter-6-3\" style=\"zoom:50%;\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%AD%97%E4%BD%93%E6%A0%BC%E5%BC%8F\"><\/span>\u5b57\u4f53\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u8fd9\u4e2a\u5b57\u4f53\u6587\u4ef6\u4e2d\uff0c\u6240\u4ee5\u5b57\u7b26\u90fd\u4ee5\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u65b9\u5f0f\u4fdd\u5b58\uff0c\u524d\u9762\u5df2\u7ecf\u8bf4\u8fc7\uff0c\u4e00\u4e2a\u5b57\u7b26\u662f 8 * 16 \u50cf\u7d20\u7684\u5bbd\u548c\u9ad8\uff0c\u540c\u6837\u56e0\u4e3a\u662f\u70b9\u9635\u5b57\u4f53\uff0c\u4e0d\u9700\u8981\u8003\u8651\u989c\u8272\u4ec0\u4e48\u7684\uff0c\u6bcf\u4e2a\u50cf\u7d20\u53ea\u9700\u8981 1 bit \u6765\u8868\u793a\u662f\u5426\u8981\u70b9\u4eae\uff0c\u56e0\u6b64\u4e00\u4e2a\u5b57\u7b26\u9700\u8981 <code>8 * 16 = 128 bits = 16 bytes<\/code>\uff0c16 \u4e2a\u5b57\u8282\u6765\u663e\u793a\u3002<\/p>\n<p>\u6253\u5f00\u5b57\u4f53\u6587\u4ef6 ModernDos.h\uff0c\u53ef\u4ee5\u770b\u5230\u5b57\u4f53\u6587\u4ef6\u4e2d\u5c31\u662f\u8fd9\u6837\u4e00\u5927\u6bb5\u5341\u516d\u8fdb\u5236\u6570\u636e\uff1a<\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-4.jpg\" alt=\"diy-usb-meter-6-4\" style=\"zoom:50%;\" \/><\/p>\n<p>\u56e0\u4e3a\u6bcf\u4e2a\u5b57\u7b26\u5360\u6709 16 \u4e2a\u5b57\u8282\uff0c\u540c\u65f6\u8fd9\u4e2a\u5b57\u4f53\u6587\u4ef6\u5305\u542b\u4e86\u6240\u4ee5\u53ef\u89c1\u5b57\u7b26\u7684\u6570\u636e\uff0c\u53ef\u89c1\u5b57\u7b26\u5bf9\u5e94 ASCII \u7801\u7684\u8303\u56f4\u4e3a 32~126\uff0c\u6240\u4ee5\u8fd9\u4e9b\u6570\u636e\u603b\u5171\u5360\u7528\u7a7a\u95f4\u4e3a <code>16 * 128 = 1520 bytes<\/code>\u3002<\/p>\n<p>\u5bf9\u4e8e\u6570\u5b57 1 \u6765\u8bf4\uff0c\u5b83\u7684 ASCII \u4e3a 65\uff0c\u7ecf\u8fc7\u8ba1\u7b97\u627e\u5230\u5bf9\u5e94\u7684\u6570\u636e\u4e3a\uff1a<\/p>\n<pre><code class=\"language-js\">0xf0, 0xf8, 0x8c, 0x84, 0x8c, 0xf8, 0xf0, 0x00, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x00,<\/code><\/pre>\n<p>\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\uff1a<\/p>\n<pre><code class=\"language-c\">00000000\n00010000\n00011000\n11111100\n11111100\n00000000\n00000000\n00000000\n\n00000000\n00001000\n00001000\n00001111\n00001111\n00001000\n00001000\n00000000<\/code><\/pre>\n<p>\u5728 <code>oled_min.c<\/code> \u7684\u521d\u59cb\u5316\u4ee3\u7801\u4e2d\uff0c\u662f\u5c06 SSD1306 \u7684\u663e\u793a\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u6c34\u5e73\u5730\u5740\u6a21\u5f0f\uff0c\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u6bcf\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5bf9\u5e94\u5230\u6bcf\u5217\u5782\u76f4\u65b9\u5411\u7684 8 \u4e2a\u50cf\u7d20\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5c06\u4ee5\u4e0a\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u5411\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u5bf9\u5e94\u663e\u793a\u5230\u5c4f\u5e55\u4e0a\u50cf\u7d20\u662f\u5426\u5f00\u542f\u3002<\/p>\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\uff0c\u56e0\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4f1a\u5360 16 \u4e2a\u50cf\u7d20\u9ad8\uff0c\u5728\u5b57\u4f53\u6587\u4ef6\u4e2d\uff0c\u662f\u5206\u4e24\u90e8\u5206\u6765\u5b58\u50a8\u7684\uff0c\u6bcf\u90e8\u5206 8 \u4e2a\u5b57\u8282\u3002<\/p>\n<p>\u65cb\u8f6c\u540e\u53ef\u4ee5\u53ef\u4ee5\u5f97\u5230\u4ee5\u4e0b\u6570\u636e\uff1a<\/p>\n<pre><code class=\"language-c\">00000000\n00000000\n00011000\n00111000\n01111000\n00011000\n00011000\n00011000\n00011000\n00011000\n00011000\n01111110\n00000000\n00000000\n00000000\n00000000<\/code><\/pre>\n<p>\u65cb\u8f6c\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u9690\u7ea6\u770b\u51fa\u6765\u6570\u5b57 1 \u4e86\uff0c\u63a5\u4e0b\u6765\uff0c\u5c31\u662f\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u9a71\u52a8\uff0c\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\uff0c\u5728\u5b57\u4f53\u6587\u4ef6\u4e2d\u67e5\u5230\u6570\u636e\uff0c\u5e76\u901a\u8fc7 OLED \u9a71\u52a8\u663e\u793a\u5230\u5c4f\u5e55\u4e0a\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%98%BE%E7%A4%BA%E9%A9%B1%E5%8A%A8\"><\/span>\u663e\u793a\u9a71\u52a8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u91cc\u65b0\u589e\u4e00\u4e2a <code>display.hpp<\/code> \u6587\u4ef6\u6765\u7f16\u5199\u663e\u793a\u9a71\u52a8\u76f8\u5173\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u5904\u7406\u6570\u636e\uff0c\u5148\u5b9a\u4e49\u4e00\u5757\u5185\u5b58\u533a\u57df\uff0c\u5f53\u4f5c\u663e\u793a\u6570\u636e\u7684\u7f13\u5b58\uff0c\u6839\u636e\u524d\u9762\u7684\u8ba1\u7b97\u53ef\u4ee5\u5f97\u5230\u8fd9\u91cc\u9700\u8981\u4fdd\u7559 1024 \u5b57\u8282\u7684\u5185\u5b58\u6765\u5f53\u4f5c\u7f13\u5b58\u3002<\/p>\n<pre><code class=\"language-c\">\/\/ \u5f15\u5165 OLED \u4ee5\u53ca I2C \u9a71\u52a8\n#include &quot;drivers\/oled_min.h&quot;\n#include &lt;stdio.h&gt;\n#include &lt;string.h&gt;\n\n\/\/ \u5b9a\u4e49\u5b57\u4f53\u6587\u4ef6\u7ed3\u6784\u4f53\nstruct DCfont {\n    uint8_t *data;\n    uint8_t width;\n    uint8_t height;\n    uint8_t min, max;\n};\n\n\/\/ \u5f15\u5165\u5b57\u4f53\u6587\u4ef6\n#include &quot;res\/ModernDos.h&quot;\n\n\/\/ \u521b\u5efa\u663e\u793a\u9a71\u52a8\u521d\u59cb\u5316\u51fd\u6570\u522b\u540d\n#define display_init            OLED_init\n\n\/\/ \u521b\u5efa\u5b57\u4f53\u6587\u4ef6\u6570\u636e\u522b\u540d\n#define font_data               FONT8X16MDOS\n\n\/\/ \u663e\u793a\u7f13\u5b58\nconstexpr int BUF_LEN = 128 * 64 \/ 8;\nstatic uint8_t display_buffer[BUF_LEN] = { 0 };<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u7f16\u5199\u4e00\u4e2a\u51fd\u6570 <code>display_write_line<\/code>\uff0c\u5c06\u53c2\u6570\u4e2d\u7684\u5b57\u7b26\u4e32\uff0c\u4f9d\u6b21\u67e5\u627e\u5230\u5b57\u4f53\u6570\u636e\uff0c\u5e76\u5199\u5165\u5230\u7f13\u5b58\u4e2d\u3002<\/p>\n<pre><code class=\"language-c\">void display_write_line(int row, const char *str) {\n    for (uint8_t row_offset = 0; row_offset &lt; 2; ++row_offset) {\n        int buf_offset = (row * 2 + row_offset) * 128;\n        uint8_t chidx = 0;\n        for (; str[chidx] != 0; ++chidx) {\n            uint8_t ch = str[chidx];\n            uint8_t *row_data = (uint8_t *)font_data-&gt;data + (ch - 32) * (font_data-&gt;width * font_data-&gt;height) + row_offset * font_data-&gt;width;\n            for (uint8_t i = 0; i &lt; font_data-&gt;width; ++i) {\n                display_buffer[buf_offset] |= row_data[i];\n                buf_offset++;\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u5199\u5165\u7f13\u5b58\u5b8c\u6210\u540e\uff0c\u8fd8\u9700\u8981\u5c06\u663e\u793a\u7f13\u5b58\u4e2d\u7684\u5185\u5bb9\u53d1\u9001\u5230 OLED \u7684\u9a71\u52a8\u4e0a\u3002<\/p>\n<pre><code class=\"language-c\">void display_flush() {\n    OLED_setpos(0, 0);\n    for (int i = 0; i &lt; BUF_LEN; ++i) {\n        if (i % 16 == 0) {\n            if (i &gt; 0) {\n                OLED_data_stop();\n            }\n            OLED_data_start();\n        }\n        I2C_write(display_buffer[i]);\n    }\n    OLED_data_stop();\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u7b26\u663e\u793a\u9a71\u52a8\u4ee3\u7801\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E6%98%BE%E7%A4%BA\"><\/span>\u6d4b\u8bd5\u663e\u793a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5b8c\u6210\u663e\u793a\u9a71\u52a8\u4ee3\u7801\u7684\u7f16\u5199\u540e\uff0c\u5148\u6765\u6d4b\u8bd5\u4e00\u4e0b\u6240\u6709\u5b57\u7b26\u7684\u663e\u793a\u6548\u679c\u5427\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u8fdb\u884c\u6d4b\u8bd5\uff0c\u5c06 <code>main.cpp<\/code> \u4e2d\u7684\u4e3b\u51fd\u6570\u4ee3\u7801\u66ff\u6362\u4e3a\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre><code class=\"language-c\">\/\/ \u5f15\u5165\u663e\u793a\u9a71\u52a8\n#include &quot;display.hpp&quot;\n\nint main(void)\n{\n    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);\n    SystemCoreClockUpdate();\n    Delay_Init();\n    USART_Printf_Init(115200);\n\n    display_init();\n\n    display_write_line(0, &quot;ABCDEFGHIJKLMNOP&quot;);\n    display_write_line(1, &quot;QRSTUVWXYZabcdef&quot;);\n    display_write_line(2, &quot;ghijklmnopqrstuv&quot;);\n    display_write_line(3, &quot;wxyz1234567890.%&quot;);\n\n    display_flush();\n\n    while (1) {\n        Delay_Ms(1000);\n    }\n}<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"%E6%98%BE%E7%A4%BA%E6%95%88%E6%9E%9C\"><\/span>\u663e\u793a\u6548\u679c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u663e\u793a\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-5.jpg\" alt=\"diy-usb-meter-6-5\" style=\"max-width:500px;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%A1%AE%E5%AE%9A%E6%98%BE%E7%A4%BA%E6%95%B0%E6%8D%AE%E5%B8%83%E5%B1%80\"><\/span>\u786e\u5b9a\u663e\u793a\u6570\u636e\u5e03\u5c40<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u786e\u5b9a\u5b57\u7b26\u663e\u793a\u9a71\u52a8\u6ca1\u6709\u95ee\u9898\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u786e\u5b9a\u4e00\u4e0b\u6700\u7ec8 USB \u7535\u6d41\u663e\u793a\u5185\u5bb9\u7684\u5e03\u5c40\u4e86\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u4e2a USB \u7535\u6d41\u8868\uff0c\u5728\u8fdb\u884c\u529f\u80fd\u8bbe\u8ba1\u65f6\uff0c\u5df2\u7ecf\u5927\u6982\u786e\u5b9a\u4e86\u8981\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u8f93\u5165\u7535\u538b\u3001\u5f53\u524d\u7535\u6d41\u3001\u5f53\u524d\u529f\u7387\u3001\u7d2f\u8ba1\u6d88\u8017\u7535\u91cf\u8fd9\u51e0\u4e2a\u5b57\u6bb5\u7684\u6570\u636e\uff0c\u6700\u7ec8\u5c06\u6570\u636e\u89c6\u56fe\u8bbe\u8ba1\u4e3a\u6309\u987a\u5e8f\u663e\u793a\u8fd9 4 \u4e2a\u5b57\u6bb5\u3002<\/p>\n<p>\u76ee\u524d\u8fd8\u6ca1\u6709\u63a5\u5165 ADC \u6570\u636e\uff0c\u5148\u4f7f\u7528\u4ee5\u4e0b\u6d4b\u8bd5\u4ee3\u7801\u6765\u6a21\u62df\u4e00\u4e0b\uff1a<\/p>\n<pre><code class=\"language-c\">    display_write_line(0, &quot;Volt : 5000mV&quot;);\n    display_write_line(1, &quot;Curr : 500mA&quot;);\n    display_write_line(2, &quot;Power: 2500mW&quot;);\n    display_write_line(3, &quot;Cap  : 0mWh&quot;);<\/code><\/pre>\n<p><strong>\u6d4b\u8bd5\u6548\u679c<\/strong><\/p>\n<p><img src=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2024\/04\/diy-usb-meter-6-6.jpg\" alt=\"diy-usb-meter-6-6\" style=\"max-width:500px;\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%B0%8F%E7%BB%93\"><\/span>\u5c0f\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u603b\u7b97\u79bb\u5b8c\u6210 USB \u7535\u6d41\u8868\u9879\u76ee\u5728\u5916\u89c2\u4e0a\u53c8\u8fdb\u4e86\u4e00\u6b65\uff0c\u5df2\u7ecf\u53ef\u4ee5\u5c06\u60f3\u8981\u663e\u793a\u7684\u5185\u5bb9\u6b63\u786e\u5730\u663e\u793a\u5728\u5c4f\u5e55\u4e0a\uff0c\u5e76\u4e14\u5728\u8fd9\u8fc7\u7a0b\u4e2d\u4e5f\u5927\u6982\u4e86\u89e3\u4e86 I2C\u3001OLED \u9a71\u52a8\u3001\u70b9\u9635\u5b57\u4f53\u6587\u4ef6\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u5373\u4f7f\u4ee5\u540e\u60f3\u66f4\u6362\u4e3a\u4e2d\u6587\u663e\u793a\uff0c\u4e5f\u4e0d\u662f\u592a\u56f0\u96be\u7684\u4e8b\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u5f00\u59cb\u5c1d\u8bd5\u8bfb\u53d6 INA219 \u7684\u6570\u636e\uff0c\u5c06\u6700\u6838\u5fc3\u7684\u529f\u80fd\u5b8c\u6210\uff0c\u663e\u793a\u7535\u538b\u3001\u7535\u6d41\u7b49\u6570\u636e\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"USB_%E7%94%B5%E6%B5%81%E8%A1%A8%E5%BC%80%E6%BA%90%E5%9C%B0%E5%9D%80\"><\/span>USB \u7535\u6d41\u8868\u5f00\u6e90\u5730\u5740<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8fd9\u4e2a USB \u7535\u6d41\u8868\u6240\u6709\u8d44\u6599\u5df2\u7ecf\u5f00\u6e90\uff0c\u53ef\u4ee5\u5728\u4ee5\u4e0b\u4ed3\u5e93\u4e2d\u83b7\u53d6\uff0c\u5305\u542b\u56fa\u4ef6\u4ee3\u7801\u3001PCB \u751f\u4ea7 Gerber \u6587\u4ef6\u3001\u539f\u7406\u56fe\u548c\u5916\u58f3 STL \u6587\u4ef6\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/ohdarling\/CH32V003-USBMeter\">https:\/\/github.com\/ohdarling\/CH32V003-USBMeter<\/a><\/p>\n<p>\u786c\u4ef6\u76f8\u5173\u7684\u6e90\u6587\u4ef6\u5df2\u7ecf\u5728\u7acb\u521b\u5f00\u6e90\u5e73\u53f0\u5f00\u6e90\uff0c\u8bbf\u95ee\u4ee5\u4e0b\u5730\u5740\u53ef\u4ee5\u8fdb\u884c\u4e00\u952e PCB \u4e0b\u5355\u548c\u4e00\u952e BOM \u914d\u5355\u64cd\u4f5c\uff1a<\/p>\n<p><a href=\"https:\/\/oshwhub.com\/wandaeda\/ji-yu-ch32v003-de-usb-dian-liu-biao\">https:\/\/oshwhub.com\/wandaeda\/ji-yu-ch32v003-de-usb-dian-liu-biao<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"DIY_USB_%E7%94%B5%E6%B5%81%E8%A1%A8%E7%B3%BB%E5%88%97\"><\/span>DIY USB \u7535\u6d41\u8868\u7cfb\u5217<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-setup-fw-dev\/\">DIY USB \u7535\u6d41\u8868\uff085\uff09\uff1a\u4f7f\u7528 VSCode + PlatformIO \u642d\u5efa\u56fa\u4ef6\u5f00\u53d1\u73af\u5883<\/a><\/li>\n<li><a href=\"https:\/\/xujiwei.com\/blog\/2024\/03\/diy-usb-meter-pcb-soldering\/\">DIY USB \u7535\u6d41\u8868\uff084\uff09\uff1aPCB \u710a\u63a5\u4e0e\u8c03\u8bd5<\/a><\/li>\n<li><a href=\"https:\/\/xujiwei.com\/blog\/2024\/03\/diy-usermeter-order-pcb\/\">DIY USB \u7535\u6d41\u8868\uff083\uff09\uff1aPCB \u514d\u8d39\u6253\u6837\u8be6\u89e3<\/a><\/li>\n<li><a href=\"https:\/\/xujiwei.com\/blog\/2024\/02\/diy-usb-meter-pcb-design\/\">DIY USB \u7535\u6d41\u8868\uff082\uff09\uff1aPCB \u5e03\u5c40\u5e03\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/xujiwei.com\/blog\/2024\/02\/diy-usb-meter-schematic\/\">DIY USB \u7535\u6d41\u8868\uff081\uff09\uff1a\u5143\u4ef6\u9009\u578b\u548c\u539f\u7406\u56fe\u7ed8\u5236<\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/github.com\/wagiminator\/CH32V003-GameConsole\">https:\/\/github.com\/wagiminator\/CH32V003-GameConsole<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/datacute\/TinyOLED-Fonts\">https:\/\/github.com\/datacute\/TinyOLED-Fonts<\/a><\/li>\n<li><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/362287272\">https:\/\/zhuanlan.zhihu.com\/p\/362287272<\/a><\/li>\n<li><a href=\"https:\/\/blog.csdn.net\/qq_35953617\/article\/details\/128154773\">https:\/\/blog.csdn.net\/qq_35953617\/article\/details\/128154773<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u524d\u4e00\u7bc7 \u300aDIY USB \u7535\u6d41\u8868\uff085\uff09\uff1a\u4f7f\u7528 VSCode + Platfor &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2024\/04\/diy-usb-meter-oled-display\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":1300,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[167,402],"tags":[359,169,397,395,372,396,371,387,386],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/1301"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=1301"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/1301\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media\/1300"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=1301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=1301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=1301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}