{"id":1190,"date":"2021-05-01T18:52:35","date_gmt":"2021-05-01T10:52:35","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1190"},"modified":"2021-05-01T18:58:51","modified_gmt":"2021-05-01T10:58:51","slug":"1602%e6%b6%b2%e6%99%b6%e6%98%be%e7%a4%ba%e5%b1%8f","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=1602%e6%b6%b2%e6%99%b6%e6%98%be%e7%a4%ba%e5%b1%8f","title":{"rendered":"1602\u6db2\u6676\u663e\u793a\u5c4f"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/2019\/12\/Tutorial-Interfacing-16x2-character-LCD-with-Arduino-Uno.jpg\" alt=\"\u6559\u7a0b\u4e0eArduino Uno\u63a5\u53e316x2\u5b57\u7b26LCD\"\/><\/figure><\/div>\n\n\n\n<p>\u5e0c\u671b\u60a8\u7684Arduino\u9879\u76ee\u663e\u793a\u72b6\u6001\u6d88\u606f\u6216\u4f20\u611f\u5668\u8bfb\u6570\u5417\uff1f\u90a3\u4e48\u8fd9\u4e9bLCD\u663e\u793a\u5668\u53ef\u80fd\u662f\u6700\u5408\u9002\u7684\u9009\u62e9\u3002\u5b83\u4eec\u662f\u6781\u4e3a\u5e38\u89c1\u7684\u5feb\u6377\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4e3a\u60a8\u7684\u9879\u76ee\u6dfb\u52a0\u53ef\u8bfb\u7684\u754c\u9762\u3002<\/p>\n\n\n\n<p>\u672c\u6559\u7a0b\u5c06\u4ecb\u7ecd\u4f7f\u7528\u89d2\u8272\u6db2\u6676\u663e\u793a\u5668\u542f\u52a8\u548c\u8fd0\u884c\u6240\u9700\u7684\u6240\u6709\u77e5\u8bc6\u3002\u4e0d\u4ec5\u57fa\u4e8e16\u00d72\uff081602\uff09\u7684\u4efb\u4f55\u5b57\u7b26LCD\uff08\u4f8b\u598216\u00d74\u300116\u00d71\u300120\u00d74\u7b49\uff09\u90fd\u662f\u57fa\u4e8e\u65e5\u7acb\u516c\u53f8\u79f0\u4e3aHD44780\u7684\u5e76\u884c\u63a5\u53e3LCD\u63a7\u5236\u5668\u82af\u7247\u7684\u3002\u56e0\u4e3a\uff0cArduino\u793e\u533a\u5df2\u7ecf\u5f00\u53d1\u4e86\u4e00\u4e2a\u5e93\u6765\u5904\u7406HD44780 LCD\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u7acb\u5373\u5c06\u5b83\u4eec\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n\n\n\n<div class=\"mve-box\" class=\"wp-block-mve-box\"><div class=\"mve-box-title\">\u4f60\u77e5\u9053\u5417\uff1f<\/div><div class=\"mve-box-content\">LCD\u662f\u6db2\u6676\u663e\u793a\u5668\u7684\u7f29\u5199\u3002\u5b83\u57fa\u672c\u4e0a\u662f\u4e00\u4e2a\u4f7f\u7528\u6db2\u6676\u663e\u793a\u53ef\u89c1\u56fe\u50cf\u7684\u663e\u793a\u5355\u5143\u3002\n\n\u5f53\u7535\u6d41\u65bd\u52a0\u5230\u8fd9\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u6676\u4f53\u4e0a\u65f6\uff0c\u5b83\u53d8\u6210\u4e0d\u900f\u660e\uff0c\u6321\u4f4f\u4e86\u5c4f\u5e55\u540e\u9762\u7684\u80cc\u5149\u3002\u7ed3\u679c\uff0c\u4e0e\u5176\u4ed6\u533a\u57df\u76f8\u6bd4\uff0c\u7279\u5b9a\u533a\u57df\u5c06\u53d8\u6697\u3002\u8fd9\u5c31\u662f\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u5b57\u7b26\u7684\u65b9\u5f0f\u3002<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hardware-overview\">\u786c\u4ef6\u603b\u89c8<\/h2>\n\n\n\n<p>\u8fd9\u4e9bLCD\u975e\u5e38\u9002\u5408\u4ec5\u663e\u793a\u6587\u672c\/\u5b57\u7b26\uff0c\u56e0\u6b64\u88ab\u79f0\u4e3a\u201c\u5b57\u7b26LCD\u201d\u3002\u663e\u793a\u5668\u5177\u6709LED\u80cc\u5149\u706f\uff0c\u53ef\u4ee5\u4e24\u884c\u663e\u793a32\u4e2aASCII\u5b57\u7b26\uff0c\u6bcf\u884c\u663e\u793a16\u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/16x2-Character-LCD-5x8-Pixel-Matrix-Grid.png\" alt=\"16x2\u5b57\u7b26LCD 5x8\u50cf\u7d20\u77e9\u9635\u7f51\u683c\"\/><figcaption>\u6bcf\u4e2a\u77e9\u5f62\u5305\u542b5\u00d78\u50cf\u7d20\u7684\u7f51\u683c<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u5982\u679c\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u5b9e\u9645\u4e0a\u53ef\u4ee5\u770b\u5230\u663e\u793a\u5c4f\u4e0a\u6bcf\u4e2a\u5b57\u7b26\u7684\u5c0f\u77e9\u5f62\u4ee5\u53ca\u7ec4\u6210\u5b57\u7b26\u7684\u50cf\u7d20\u3002\u8fd9\u4e9b\u77e9\u5f62\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u662f5\u00d78\u50cf\u7d20\u7684\u7f51\u683c\u3002<\/p>\n\n\n\n<p>\u5c3d\u7ba1\u5b83\u4eec\u4ec5\u663e\u793a\u6587\u672c\uff0c\u4f46\u5b83\u4eec\u7684\u5927\u5c0f\u548c\u989c\u8272\u786e\u5b9e\u591a\u79cd\u591a\u6837\uff1a\u4f8b\u598216\u00d71\u300116\u00d74\u300120\u00d74\uff0c\u84dd\u8272\u80cc\u666f\u4e3a\u767d\u8272\u6587\u672c\uff0c\u7eff\u8272\u4e3a\u9ed1\u8272\u6587\u672c\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u597d\u6d88\u606f\u662f\uff0c\u6240\u6709\u8fd9\u4e9b\u663e\u793a\u5668\u90fd\u662f\u201c\u53ef\u4e92\u6362\u7684\u201d-\u5982\u679c\u60a8\u7528\u4e00\u4e2a\u663e\u793a\u5668\u6784\u5efa\u9879\u76ee\uff0c\u5219\u53ea\u9700\u62d4\u4e0b\u5b83\uff0c\u7136\u540e\u4f7f\u7528\u60a8\u9009\u62e9\u7684\u53e6\u4e00\u4e2a\u5c3a\u5bf8\/\u5f69\u8272LCD\u3002\u60a8\u7684\u4ee3\u7801\u53ef\u80fd\u5fc5\u987b\u8c03\u6574\u4e3a\u66f4\u5927\u7684\u5c3a\u5bf8\uff0c\u4f46\u81f3\u5c11\u63a5\u7ebf\u662f\u76f8\u540c\u7684\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"16x2-character-lcd-pinout\">16\u00d72\u5b57\u7b26LCD\u5f15\u811a\u6392\u5217<\/h2>\n\n\n\n<p>\u5728\u6df1\u5165\u7814\u7a76\u8fde\u63a5\u548c\u793a\u4f8b\u4ee3\u7801\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u9996\u5148\u770b\u4e00\u4e0bLCD\u5f15\u811a\u6392\u5217\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/16x2-Character-LCD-Display-Pinout.png\" alt=\"16x2\u5b57\u7b26LCD\u663e\u793a\u5f15\u811a\"\/><\/figure><\/div>\n\n\n\n<p>\u5730\u7ebf&nbsp;\u5e94\u8be5\u8fde\u63a5\u5230Arduino\u7684\u5730\u9762\u3002<\/p>\n\n\n\n<p>VCC&nbsp;\u662fLCD\u7684\u7535\u6e90\uff0c\u6211\u4eec\u8fde\u63a5\u4e86Arduino\u4e0a\u76845\u4f0f\u5f15\u811a\u3002<\/p>\n\n\n\n<p>Vo\uff08LCD\u5bf9\u6bd4\u5ea6\uff09\u63a7\u5236LCD\u7684\u5bf9\u6bd4\u5ea6\u548c\u4eae\u5ea6\u3002\u4f7f\u7528\u5e26\u6709\u7535\u4f4d\u8ba1\u7684\u7b80\u5355\u5206\u538b\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u5bf9\u6bd4\u5ea6\u8fdb\u884c\u5fae\u8c03\u3002<\/p>\n\n\n\n<p>RS\uff08\u5bc4\u5b58\u5668\u9009\u62e9\uff09\u5f15\u811a\u53ef\u4ee5\u8ba9Arduino\u544a\u77e5LCD\u5b83\u662f\u53d1\u9001\u547d\u4ee4\u8fd8\u662f\u53d1\u9001\u6570\u636e\u3002\u57fa\u672c\u4e0a\uff0c\u8be5\u5f15\u811a\u7528\u4e8e\u533a\u5206\u547d\u4ee4\u548c\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5f53RS\u5f15\u811a\u8bbe\u7f6e\u4e3aLOW\u65f6\uff0c\u6211\u4eec\u5c06\u5411LCD\u53d1\u9001\u547d\u4ee4\uff08\u4f8b\u5982\u5c06\u5149\u6807\u8bbe\u7f6e\u5230\u7279\u5b9a\u4f4d\u7f6e\uff0c\u6e05\u9664\u663e\u793a\uff0c\u5411\u53f3\u6eda\u52a8\u663e\u793a\uff0c\u4f9d\u6b64\u7c7b\u63a8\uff09\u3002\u5f53RS\u5f15\u811a\u8bbe\u7f6e\u4e3aHIGH\u65f6\uff0c\u6211\u4eec\u5c06\u5411LCD\u53d1\u9001\u6570\u636e\/\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>\u8bfb\/\u5199\uff08R \/ W\uff09LCD\u4e0a\u7684PIN\u5f15\u811a\u7528\u4e8e\u63a7\u5236\u60a8\u662f\u8981\u4eceLCD\u8bfb\u53d6\u6570\u636e\u8fd8\u662f\u5411LCD\u5199\u5165\u6570\u636e\u3002\u7531\u4e8e\u6211\u4eec\u53ea\u662f\u5c06\u6b64LCD\u7528\u4f5c\u8f93\u51fa\u8bbe\u5907\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u5c06\u6b64\u5f15\u811a\u8fde\u63a5\u4e3aLOW\u3002\u8fd9\u5c06\u5f3a\u5236\u5176\u8fdb\u5165\u201c\u5199\u5165\u201d\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>E\uff08\u542f\u7528\uff09\u5f15\u811a\u7528\u4e8e\u542f\u7528\u663e\u793a\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5f53\u6b64\u5f15\u811a\u8bbe\u7f6e\u4e3aLOW\u65f6\uff0cLCD\u4e0d\u4f1a\u7406\u4f1aR \/ W\uff0cRS\u548c\u6570\u636e\u603b\u7ebf\u7ebf\u8def\u7684\u72b6\u51b5\u3002\u5f53\u6b64\u5f15\u811a\u8bbe\u7f6e\u4e3a\u9ad8\u7535\u5e73\u65f6\uff0cLCD\u6b63\u5728\u5904\u7406\u4f20\u5165\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>D0-D7\uff08\u6570\u636e\u603b\u7ebf\uff09\u662f\u627f\u8f7d\u6211\u4eec\u53d1\u9001\u5230\u663e\u793a\u5668\u76848\u4f4d\u6570\u636e\u7684\u5f15\u811a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u60f3\u5728\u663e\u793a\u5c4f\u4e0a\u770b\u5230\u5927\u5199\u7684\u201c A\u201d\u5b57\u7b26\uff0c\u6211\u4eec\u4f1a\u5c06\u8fd9\u4e9b\u5f15\u811a\u8bbe\u7f6e\u4e3aLCD\u76840100 0001\uff08\u6839\u636eASCII\u8868\uff09\u3002<\/p>\n\n\n\n<p>AK\uff08\u9633\u6781\u548c\u9634\u6781\uff09&nbsp;\u5f15\u811a\u7528\u4e8e\u63a7\u5236LCD\u7684\u80cc\u5149\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"testing-character-lcd\">\u6d4b\u8bd5\u5b57\u7b26LCD<\/h2>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u6765\u7814\u7a76\u6709\u8da3\u7684\u4e1c\u897f\u3002\u8ba9\u6211\u4eec\u6d4b\u8bd5\u4e00\u4e0b\u60a8\u7684LCD\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u5c06Arduino Uno\u76845V\u548cGND\u5f15\u811a\u8fde\u63a5\u5230\u9762\u5305\u677f\u7535\u6e90\u8f68\uff0c\u5e76\u5c06LCD\u63d2\u5165\u9762\u5305\u677f\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u6253\u5f00LCD\u7684\u7535\u6e90\u3002LCD\u5177\u6709\u4e24\u4e2a\u72ec\u7acb\u7684\u7535\u6e90\u8fde\u63a5\uff1b\u4e00\u4e2a\uff08\u5f15\u811a1\u548c2\u5f15\u811a\uff09\u7528\u4e8eLCD\u672c\u8eab\uff0c\u53e6\u4e00\u4e2a\uff08\u5f15\u811a15\u548c16\u5f15\u811a\uff09\u7528\u4e8eLCD\u80cc\u5149\u3002\u5c06LCD\u4e0a\u7684\u5f15\u811a1\u548c16\u8fde\u63a5\u5230GND\uff0cLCD\u4e0a\u7684\u5f15\u811a2\u548c15\u8fde\u63a5\u52305V\u3002<\/p>\n\n\n\n<div class=\"mve-callout mve-callout-info\" class=\"wp-block-mve-callout-info\"><h4><span class=\"dashicons dashicons-info\"><\/span>\u63d0\u793a<\/h4>\u7edd\u5927\u591a\u6570LCD\u90fd\u5177\u6709\u7528\u4e8eLED\u80cc\u5149\u7684\u5185\u7f6e\u4e32\u8054\u7535\u963b\u3002\u5982\u679c\u78b0\u5de7\u6709\u4e00\u4e2a\u4e0d\u5e26\u7535\u963b\u7684LCD\uff0c\u5219\u9700\u8981\u57285V\u548c\u5f15\u811a15\u4e4b\u95f4\u52a0\u4e00\u4e2a\u3002 \u8981\u8ba1\u7b97\u4e32\u8054\u7535\u963b\u7684\u503c\uff0c\u8bf7\u4ece\u6570\u636e\u624b\u518c\u4e2d\u67e5\u627e\u6700\u5927\u80cc\u5149\u7535\u6d41\u548c\u5178\u578b\u7684\u80cc\u5149\u7535\u538b\u964d\u3002\u5e76\u4f7f\u7528\u7b80\u5355\u7684\u6b27\u59c6\u5b9a\u5f8b\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u7535\u963b\u503c\u3002 \u5982\u679c\u627e\u4e0d\u5230\u6570\u636e\u8868\uff0c\u5219\u4f7f\u7528220\u6b27\u59c6\u7535\u963b\u5e94\u8be5\u662f\u5b89\u5168\u7684\uff0c\u4f46\u662f\uff0c\u8be5\u503c\u8fc7\u9ad8\u53ef\u80fd\u4f1a\u4f7f\u80cc\u5149\u7565\u5fae\u53d8\u6697\u3002<\/div>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5728LCD\u4e0a\u5efa\u7acb\u5f15\u811a3\u7684\u8fde\u63a5\uff0c\u8be5\u5f15\u811a\u63a7\u5236\u663e\u793a\u5c4f\u7684\u5bf9\u6bd4\u5ea6\u548c\u4eae\u5ea6\u3002\u4e3a\u4e86\u8fdb\u884c\u7cbe\u7ec6\u7684\u5bf9\u6bd4\u5ea6\u8c03\u6574\uff0c\u6211\u4eec\u5c06\u57285V\u548cGND\u4e4b\u95f4\u8fde\u63a5\u4e00\u4e2a10K\u7535\u4f4d\u5668\u3002\u5c06\u7535\u4f4d\u5668\u7684\u4e2d\u5fc3\u5f15\u811a\uff08\u62bd\u5934\uff09\u8fde\u63a5\u5230LCD\u7684\u5f15\u811a3\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Testing-16x2-Character-LCD-Contrast-By-Turning-Potentiometer.gif\" alt=\"\u901a\u8fc7\u65cb\u8f6c\u7535\u4f4d\u8ba1\u6d4b\u8bd516x2\u5b57\u7b26LCD\u5bf9\u6bd4\u5ea6\"\/><figcaption>\u65cb\u8f6c\u7535\u4f4d\u5668\u65cb\u94ae\u8c03\u6574LCD\u5bf9\u6bd4\u5ea6<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u5c31\u662f\u8fd9\u6837\uff01\u73b0\u5728\u6253\u5f00Arduino\uff0c\u60a8\u5c06\u770b\u5230\u80cc\u5149\u706f\u4eae\u8d77\u3002\u5728\u65cb\u8f6c\u7535\u4f4d\u5668\u4e0a\u7684\u65cb\u94ae\u65f6\uff0c\u60a8\u5e94\u8be5\u6ce8\u610f\u5230\u51fa\u73b0\u4e86\u77e9\u5f62\u7684\u7b2c\u4e00\u884c\u3002\u5982\u679c\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\uff0c\u606d\u559c\uff01\u60a8\u7684LCD\u8fd0\u8f6c\u826f\u597d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wiring-16x2-character-lcd-with-arduino-uno\">\u63a5\u7ebf\u2013\u5c0616\u00d72\u5b57\u7b26LCD\u4e0eArduino Uno\u8fde\u63a5<\/h2>\n\n\n\n<p>\u5728\u5f00\u59cb\u4e0a\u4f20\u4ee3\u7801\u5e76\u5c06\u6570\u636e\u53d1\u9001\u5230\u663e\u793a\u5668\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5c06LCD\u8fde\u63a5\u5230Arduino\u3002<\/p>\n\n\n\n<p>LCD\u4e0a\u6709\u5f88\u591a\u9488\u811a\uff08\u603b\u517116\u4e2a\u9488\u811a\uff09\uff0c\u6211\u4eec\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u8fdb\u884c\u63a5\u7ebf\u3002\u4f46\u662f\uff0c\u597d\u6d88\u606f\u662f\uff0c\u5bf9\u4e8e\u6211\u4eec\u8fde\u63a5\u5230Arduino\u800c\u8a00\uff0c\u5e76\u975e\u6240\u6709\u8fd9\u4e9b\u5f15\u811a\u90fd\u662f\u5fc5\u9700\u7684\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\u67098\u6761\u6570\u636e\u884c\u5c06\u539f\u59cb\u6570\u636e\u4f20\u9001\u5230\u663e\u793a\u5668\u3002\u4f46\u662f\uff0cHD44780 LCD\u7684\u8bbe\u8ba1\u65b9\u5f0f\u662f\u6211\u4eec\u53ef\u4ee5\u4ec5\u4f7f\u75284\u4e2a\u6570\u636e\u5f15\u811a\uff084\u4f4d\u6a21\u5f0f\uff09\u800c\u4e0d\u662f8\u4e2a\uff088\u4f4d\u6a21\u5f0f\uff09\u4e0eLCD\u901a\u8baf\u3002\u8fd9\u4e3a\u6211\u4eec\u8282\u7701\u4e864\u4e2a\u5f15\u811a\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<div class=\"mve-box\" class=\"wp-block-mve-box\"><div class=\"mve-box-title\">4\u4f4d\u548c8\u4f4d\u6a21\u5f0f\u4e4b\u95f4\u7684\u533a\u522b<\/div><div class=\"mve-box-content\">\u4f7f\u75288\u4f4d\u6a21\u5f0f\u7684\u901f\u5ea6\u66f4\u5feb\uff0c\u56e0\u4e3a\u4f7f\u75284\u4f4d\u6a21\u5f0f\u6240\u9700\u7684\u65f6\u95f4\u662f\u539f\u6765\u7684\u4e00\u534a\u3002\u56e0\u4e3a\u57288\u4f4d\u6a21\u5f0f\u4e0b\uff0c\u60a8\u53ea\u9700\u4e00\u6b21\u5199\u5165\u6570\u636e\u3002\u4f46\u662f\uff0c\u57284\u4f4d\u6a21\u5f0f\u4e0b\uff0c\u60a8\u5fc5\u987b\u5c06\u4e00\u4e2a\u5b57\u8282\u5206\u62102\u4e2a\u534a\u5b57\u8282\uff0c\u5c06\u5176\u4e2d\u4e00\u4e2a\u534a\u5b57\u8282\u53f3\u79fb4\u4f4d\uff0c\u7136\u540e\u6267\u884c2\u4e2a\u5199\u64cd\u4f5c\u3002\n\u56e0\u6b64\uff0c4\u4f4d\u6a21\u5f0f\u901a\u5e38\u7528\u4e8e\u4fdd\u5b58I \/ O\u5f15\u811a\u3002\u4f46\u662f\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u901f\u5ea6\u5e76\u4e14\u81f3\u5c11\u670910\u4e2aI \/ O\u5f15\u811a\u53ef\u7528\u65f6\uff0c\u6700\u597d\u4f7f\u75288\u4f4d\u6a21\u5f0f\u3002\n<\/div><\/div>\n\n\n\n<p>\u56e0\u6b64\uff0c\u56de\u987e\u4e00\u4e0b\uff0c\u6211\u4eec\u5c06\u4f7f\u75284\u4f4d\u6a21\u5f0f\u8fde\u63a5LCD\uff0c\u56e0\u6b64\u4ec5\u9700\u89816\u4e2a\u5f15\u811a\u5373\u53ef\uff1aRS\uff0cEN\uff0cD7\uff0cD6\uff0cD5\u548cD4\u4e0eLCD\u901a\u8baf\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u5c06LCD\u663e\u793a\u5668\u8fde\u63a5\u5230Arduino\u3002LCD\u7684\u56db\u4e2a\u6570\u636e\u5f15\u811a\uff08D4-D7\uff09\u5c06\u8fde\u63a5\u5230\uff034-7\u7684Arduino\u6570\u5b57\u5f15\u811a\u3002LCD\u4e0a\u7684Enable\u5f15\u811a\u5c06\u8fde\u63a5\u5230Arduino\uff032\uff0cLCD\u4e0a\u7684RS\u5f15\u811a\u5c06\u8fde\u63a5\u5230Arduino\uff031\u3002<\/p>\n\n\n\n<p>\u4e0b\u56fe\u663e\u793a\u4e86\u5982\u4f55\u63a5\u7ebf\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Arduino-Wiring-Fritzing-Connections-with-16x2-Character-LCD.png\" alt=\"Arduino\u752816x2\u5b57\u7b26LCD\u63a5\u7ebfFritzing\u8fde\u63a5\"\/><figcaption>16\u00d72\u5b57\u7b26LCD\u548cArduino UNO\u7684\u63a5\u7ebf\u8fde\u63a5<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u8fd9\u6837\uff0c\u60a8\u73b0\u5728\u5c31\u53ef\u4ee5\u4e0a\u4f20\u4e00\u4e9b\u4ee3\u7801\u5e76\u6253\u5370\u663e\u793a\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"arduino-code\">Arduino\u4ee3\u7801<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u6d4b\u8bd5\u8349\u56fe\u5c06\u6253\u5370\u201c Hello World\uff01\u201d\u3002\u6db2\u6676\u663e\u793a\u5c4f\u4e0a\u663e\u793a\u4fe1\u606f\u3002\u5c1d\u8bd5\u4e00\u4e0b\u8349\u56fe\uff0c\u7136\u540e\u6211\u4eec\u5c06\u5bf9\u5176\u8fdb\u884c\u8be6\u7ec6\u5256\u6790\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ include the library code:\n#include &lt;LiquidCrystal.h>\n\n\/\/ Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)\nLiquidCrystal lcd(12, 11, 5, 4, 3, 2);\n\nvoid setup() \n{\n\t\/\/ set up the LCD's number of columns and rows:\n\tlcd.begin(16, 2);\n\n\t\/\/ Clears the LCD screen\n\tlcd.clear();\n}\n\nvoid loop() \n{\n\t\/\/ Print a message to the LCD.\n\tlcd.print(\" Hello world!\");\n\n\t\/\/ set the cursor to column 0, line 1\n\t\/\/ (note: line 1 is the second row, since counting begins with 0):\n\tlcd.setCursor(0, 1);\n\t\/\/ Print a message to the LCD.\n\tlcd.print(\" LCD Tutorial\");\n}<\/pre>\n\n\n\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u5e94\u8be5\u5728\u663e\u793a\u5c4f\u4e0a\u770b\u5230\u7c7b\u4f3c\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Interfacing-16x2-character-LCD-with-Arduino-Hello-world-Program-output.jpg\" alt=\"\u5c0616x2\u5b57\u7b26LCD\u4e0eArduino Hello world\u7a0b\u5e8f\u8f93\u51fa\u63a5\u53e3\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7801\u8bf4\u660e\uff1a<\/h3>\n\n\n\n<p>\u8349\u56fe\u9996\u5148\u5305\u62ecLiquidCrystal\u5e93\u3002\u5982\u672c\u6559\u7a0b\u524d\u9762\u6240\u8ff0\uff0cArduino\u793e\u533a\u5177\u6709\u4e00\u4e2a\u540d\u4e3aLiquidCrystal\u7684\u5e93\uff0c\u8be5\u5e93\u4f7f\u5bf9LCD\u6a21\u5757\u7684\u7f16\u7a0b\u53d8\u5f97\u4e0d\u90a3\u4e48\u56f0\u96be\u3002\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/www.arduino.cc\/en\/Reference\/LiquidCrystal\">Arduino\u7684\u5b98\u65b9\u7f51\u7ad9<\/a>\u4e0a\u627e\u5230\u6709\u5173\u8be5\u5e93\u7684\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ include the library code:\n#include &lt;LiquidCrystal.h><\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5fc5\u987b\u521b\u5efa\u4e00\u4e2aLiquidCrystal\u5bf9\u8c61\u3002\u8be5\u5bf9\u8c61\u4f7f\u75286\u4e2a\u53c2\u6570\uff0c\u5e76\u6307\u5b9a\u5c06\u54ea\u4e9bArduino\u5f15\u811a\u8fde\u63a5\u81f3LCD\u7684RS\u5f15\u811a\uff0c\u4f7f\u80fd\u5f15\u811a\u548c\u6570\u636e\u5f15\u811a\uff1ad4\uff0cd5\uff0cd6\u548cd7\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)\nLiquidCrystal lcd(12, 11, 5, 4, 3, 2);<\/pre>\n\n\n\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u58f0\u660e\u4e86LiquidCrystal\u5bf9\u8c61\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u7279\u5b9a\u4e8eLCD\u7684\u7279\u6b8a\u65b9\u6cd5\uff08\u5373\u51fd\u6570\uff09\u3002<\/p>\n\n\n\n<p>\u5728\u201c\u8bbe\u7f6e\u201d\u529f\u80fd\u4e2d\uff1a\u6211\u4eec\u5c06\u4f7f\u7528\u4e24\u4e2a\u529f\u80fd\uff1a\u7b2c\u4e00\u4e2a\u529f\u80fd\u662f<code>begin()<\/code>\u3002\u8fd9\u7528\u4e8e\u6307\u5b9a\u663e\u793a\u5668\u7684\u5c3a\u5bf8\uff0c\u5373\u663e\u793a\u5668\u5177\u6709\u591a\u5c11\u5217\u548c\u884c\u3002\u5982\u679c\u4f7f\u7528\u7684\u662f16\u00d72\u5b57\u7b26LCD\uff0c\u5219\u4f20\u9012\u53c2\u657016\u548c2\uff1b\u5426\u5219\uff0c\u8f93\u51650\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f20\u00d74 LCD\uff0c\u8bf7\u4f20\u9012\u53c2\u657020\u548c4\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u529f\u80fd\u662f<code>clear()<\/code>\u3002\u8fd9\u5c06\u6e05\u9664LCD\u5c4f\u5e55\u5e76\u5c06\u5149\u6807\u79fb\u5230\u5de6\u4e0a\u89d2\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">lcd.begin(16, 2);\nlcd.clear();<\/pre>\n\n\n\n<p>\u5728\u201c\u5faa\u73af\u201d\u529f\u80fd\u4e2d\uff1a\u6211\u4eec\u5c06\u4f7f\u7528\u8be5<code>print()<\/code>\u529f\u80fd\u6765\u663e\u793a\u5728\u5c4f\u5e55\u7b2c\u4e00\u884c\u770b\u5230\u7684\u6d88\u606f\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Print a message to the LCD.\nlcd.print(\" Hello world!\");<\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u8c03\u7528\u51fd\u6570<code>setCursor()<\/code>\u5c06\u5149\u6807\u4f4d\u7f6e\u8bbe\u7f6e\u4e3a\u7b2c\u4e8c\u884c\u3002\u5149\u6807\u4f4d\u7f6e\u6307\u5b9a\u4e86\u60a8\u9700\u8981\u5728LCD\u4e0a\u663e\u793a\u65b0\u6587\u672c\u7684\u4f4d\u7f6e\u3002\u5de6\u4e0a\u89d2\u88ab\u89c6\u4e3acol = 0\uff0c\u7b2c0\u884c<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">lcd.setCursor(0, 1);\nlcd.print(\" LCD Tutorial\");<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"other-useful-functions-in-liquidcrystal-library\">LiquidCrystal\u5e93\u4e2d\u7684\u5176\u4ed6\u6709\u7528\u529f\u80fd<\/h2>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u5bf9<strong>LiquidCrystal<\/strong>\u5bf9\u8c61\u4f7f\u7528\u4e00\u4e9b\u6709\u7528\u7684\u529f\u80fd\u3002\u4e0b\u9762\u5217\u51fa\u4e86\u5176\u4e2d\u7684\u51e0\u4e2a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5982\u679c\u60a8\u53ea\u60f3\u5c06\u5149\u6807\u653e\u5728LCD\u7684\u5de6\u4e0a\u65b9\u800c\u4e0d\u6e05\u9664\u663e\u793a\uff0c\u8bf7\u4f7f\u7528&nbsp;<code>home()<\/code><\/li><li>\u6709\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982turbo C ++\u7f16\u8bd1\u5668\u6216notepad ++\uff0c\u5176\u4e2d\u6309\u952e\u76d8\u4e0a\u7684\u201c\u63d2\u5165\u201d\u952e\u53ef\u66f4\u6539\u5149\u6807\u3002\u5c31\u50cf\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>blink()<\/code>\u6216\u5728LCD\u4e0a\u66f4\u6539\u5149\u6807<code>lcd.cursor()<\/code>\u3002<\/li><li><code>blink()<\/code>\u529f\u80fd\u663e\u793a5\u00d78\u50cf\u7d20\u7684\u95ea\u70c1\u5757\uff0c\u540c\u65f6<code>lcd.cursor()<\/code>\u5728\u5c06\u8981\u5199\u5165\u4e0b\u4e00\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u663e\u793a\u4e0b\u5212\u7ebf\uff08\u884c\uff09\u3002<\/li><li>\u60a8\u53ef\u4ee5\u4f7f\u7528\u8be5<code>noBlink()<\/code>\u529f\u80fd\u5173\u95ed\u95ea\u70c1\u7684LCD\u5149\u6807\u5e76<code>lcd.noCursor()<\/code>\u9690\u85cfLCD\u5149\u6807\u3002<\/li><li>\u60a8\u53ef\u4ee5\u4f7f\u7528\u5c06\u6eda\u52a8\u6761\u7684\u5185\u5bb9\u5411\u53f3\u6eda\u52a8\u4e00\u4e2a\u7a7a\u683c<code>lcd.scrollDisplayRight()<\/code>\u6216\u5411\u5de6\u6eda\u52a8\u4e00\u4e2a\u7a7a\u683c<code>lcd.scrollDisplayLeft()<\/code>\u3002\u5982\u679c\u8981\u8fde\u7eed\u6eda\u52a8\u6587\u672c\uff0c\u5219\u9700\u8981\u5728\u201c for\u5faa\u73af\u201d\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u529f\u80fd\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"custom-character-generation-for-16x2-character-lcd\">16\u00d72\u5b57\u7b26LCD\u7684\u81ea\u5b9a\u4e49\u5b57\u7b26\u751f\u6210<\/h2>\n\n\n\n<p>\u5982\u679c\u5728\u663e\u793a\u5c4f\u4e0a\u53d1\u73b0\u5b57\u7b26\u67af\u71e5\u65e0\u5473\uff0c\u5219\u53ef\u4ee5\u4e3aLCD\u521b\u5efa\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u5b57\u7b26\uff08\u5b57\u5f62\uff09\u548c\u7b26\u53f7\u3002\u5f53\u60a8\u8981\u663e\u793a\u4e0d\u5c5e\u4e8e<a href=\"https:\/\/www.asciitable.com\/\">\u6807\u51c6ASCII\u5b57\u7b26\u96c6<\/a>\u7684\u5b57\u7b26\u65f6\uff0c\u5b83\u4eec\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>CGROM\u548cCGRAM<\/strong><\/h3>\n\n\n\n<p>\u6240\u6709\u57fa\u4e8eHitachi HD44780\u63a7\u5236\u5668\u7684LCD\u663e\u793a\u5668\u90fd\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u5b58\u50a8\u5668\uff0c\u5b83\u4eec\u5b58\u50a8\u5b9a\u4e49\u7684\u5b57\u7b26\uff0c\u79f0\u4e3aCGROM\u548cCGRAM\uff08\u5b57\u7b26\u53d1\u751f\u5668ROM\u548cRAM\uff09\u3002CGROM\u5b58\u50a8\u5668\u662f\u975e\u6613\u5931\u6027\u7684\uff0c\u4e0d\u80fd\u4fee\u6539\uff0c\u800c\uff1bCGRAM\u5b58\u50a8\u5668\u6613\u5931\uff0c\u53ef\u4ee5\u968f\u65f6\u4fee\u6539\u3002<\/p>\n\n\n\n<p>CGROM\u7528\u4e8e\u5b58\u50a8\u6240\u6709\u53ef\u901a\u8fc7\u4f7f\u7528\u5176ASCII\u7801\u663e\u793a\u7684\u6c38\u4e45\u5b57\u4f53\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u51990x41\uff0c\u90a3\u4e48\u5728\u663e\u793a\u5c4f\u4e0a\u6211\u4eec\u5f97\u5230\u5b57\u7b26\u201c A\u201d\u3002CGRAM\u662f\u53ef\u7528\u4e8e\u5b58\u50a8\u7528\u6237\u5b9a\u4e49\u7684\u5b57\u7b26\u7684\u53e6\u4e00\u79cd\u5185\u5b58\u3002<\/p>\n\n\n\n<p>\u8be5RAM\u9650\u5236\u4e3a64\u4e2a\u5b57\u8282\u3002\u542b\u4e49\uff0c\u7528\u4e8e\u57fa\u4e8e5\u00d78\u50cf\u7d20\u7684LCD\uff1bCGRAM\u4e2d\u6700\u591a\u53ef\u4ee5\u5b58\u50a88\u4e2a\u7528\u6237\u5b9a\u4e49\u7684\u5b57\u7b26\u3002\u5bf9\u4e8e\u57fa\u4e8e5\u00d710\u50cf\u7d20\u7684LCD\uff0c\u53ea\u80fd\u5b58\u50a84\u4e2a\u7528\u6237\u5b9a\u4e49\u7684\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>\u6b63\u5982\u6211\u4eec\u5728\u672c\u6559\u7a0b\u524d\u9762\u6240\u8ba8\u8bba\u7684\u90a3\u6837\uff0c\u663e\u793a\u5668\u4e0a\u7684\u5b57\u7b26\u4ee55\u00d78\u50cf\u7d20\u77e9\u9635\u5f62\u6210\uff0c\u56e0\u6b64\u60a8\u9700\u8981\u5728\u8be5\u77e9\u9635\u5185\u5b9a\u4e49\u81ea\u5b9a\u4e49\u5b57\u7b26\u3002\u8981\u5b9a\u4e49\u5b57\u7b26\uff0c\u60a8\u5c06\u4f7f\u7528LiquidCrystal\u5e93\u7684<a href=\"https:\/\/www.arduino.cc\/en\/Reference\/LiquidCrystalCreateChar\">createChar\uff08\uff09<\/a>\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u8981\u4f7f\u7528<code>createChar()<\/code>\u8be5\u529f\u80fd\uff0c\u8bf7\u5148\u8bbe\u7f6e\u4e00\u4e2a8\u5b57\u8282\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5b57\u8282\uff08\u4ec5\u8003\u86515\u4f4d\uff09\u57285\u00d78\u77e9\u9635\u4e2d\u5b9a\u4e49\u4e86\u4e00\u884c\u5b57\u7b26\u3002\u800c\u5b57\u8282\u4e2d\u7684\u96f6\u548c\u4e00\u5219\u6307\u793a\u8be5\u884c\u4e2d\u7684\u54ea\u4e9b\u50cf\u7d20\u5e94\u6253\u5f00\uff0c\u54ea\u4e9b\u50cf\u7d20\u5e94\u88ab\u5173\u95ed\u3002<\/p>\n\n\n\n<p>\u4e0b\u56fe\u6f14\u793a\u4e86\u5982\u4f55\u5728\u663e\u793a\u5668\u4e0a\u4f7f\u7528\u8fd9\u4e9b\u81ea\u5b9a\u4e49\u5b57\u7b26\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ include the library code:\n#include &lt;LiquidCrystal.h>\n\n\/\/ initialize the library with the numbers of the interface pins\nLiquidCrystal lcd(12, 11, 5, 4, 3, 2);\n\n\/\/ make some custom characters:\nbyte Heart[8] = {\n0b00000,\n0b01010,\n0b11111,\n0b11111,\n0b01110,\n0b00100,\n0b00000,\n0b00000\n};\n\nbyte Bell[8] = {\n0b00100,\n0b01110,\n0b01110,\n0b01110,\n0b11111,\n0b00000,\n0b00100,\n0b00000\n};\n\n\nbyte Alien[8] = {\n0b11111,\n0b10101,\n0b11111,\n0b11111,\n0b01110,\n0b01010,\n0b11011,\n0b00000\n};\n\nbyte Check[8] = {\n0b00000,\n0b00001,\n0b00011,\n0b10110,\n0b11100,\n0b01000,\n0b00000,\n0b00000\n};\n\nbyte Speaker[8] = {\n0b00001,\n0b00011,\n0b01111,\n0b01111,\n0b01111,\n0b00011,\n0b00001,\n0b00000\n};\n\n\nbyte Sound[8] = {\n0b00001,\n0b00011,\n0b00101,\n0b01001,\n0b01001,\n0b01011,\n0b11011,\n0b11000\n};\n\n\nbyte Skull[8] = {\n0b00000,\n0b01110,\n0b10101,\n0b11011,\n0b01110,\n0b01110,\n0b00000,\n0b00000\n};\n\nbyte Lock[8] = {\n0b01110,\n0b10001,\n0b10001,\n0b11111,\n0b11011,\n0b11011,\n0b11111,\n0b00000\n};\n\nvoid setup() \n{\n\t\/\/ initialize LCD and set up the number of columns and rows: \n\tlcd.begin(16, 2);\n\n\t\/\/ create a new character\n\tlcd.createChar(0, Heart);\n\t\/\/ create a new character\n\tlcd.createChar(1, Bell);\n\t\/\/ create a new character\n\tlcd.createChar(2, Alien);\n\t\/\/ create a new character\n\tlcd.createChar(3, Check);\n\t\/\/ create a new character\n\tlcd.createChar(4, Speaker);\n\t\/\/ create a new character\n\tlcd.createChar(5, Sound);\n\t\/\/ create a new character\n\tlcd.createChar(6, Skull);\n\t\/\/ create a new character\n\tlcd.createChar(7, Lock);\n\n\t\/\/ Clears the LCD screen\n\tlcd.clear();\n\n\t\/\/ Print a message to the lcd.\n\tlcd.print(\"Custom Character\");\n}\n\n\/\/ Print All the custom characters\nvoid loop() \n{ \n\tlcd.setCursor(0, 1);\n\tlcd.write(byte(0));\n\n\tlcd.setCursor(2, 1);\n\tlcd.write(byte(1));\n\n\tlcd.setCursor(4, 1);\n\tlcd.write(byte(2));\n\n\tlcd.setCursor(6, 1);\n\tlcd.write(byte(3));\n\n\tlcd.setCursor(8, 1);\n\tlcd.write(byte(4));\n\n\tlcd.setCursor(10, 1);\n\tlcd.write(byte(5));\n\n\tlcd.setCursor(12, 1);\n\tlcd.write(byte(6));\n\n\tlcd.setCursor(14, 1);\n\tlcd.write(byte(7));\n}<\/pre>\n\n\n\n<p>\u5305\u542b\u5e93\u4e4b\u540e\uff0c\u6211\u4eec\u9700\u8981\u521d\u59cb\u5316\u516b\u4e2a\u5b57\u8282\u7684\u81ea\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">byte Heart[8] = {\n0b00000,\n0b01010,\n0b11111,\n0b11111,\n0b01110,\n0b00100,\n0b00000,\n0b00000\n};<\/pre>\n\n\n\n<p>\u5728\u8bbe\u7f6e\u4e2d\uff0c\u6211\u4eec\u5fc5\u987b\u4f7f\u7528<code>createChar()<\/code>\u51fd\u6570\u521b\u5efa\u81ea\u5b9a\u4e49\u5b57\u7b26\u3002\u8be5\u51fd\u6570\u6709\u4e24\u4e2a\u53c2\u6570\u3002\u7b2c\u4e00\u4e2a\u662f0\u52307\u4e4b\u95f4\u7684\u6570\u5b57\uff0c\u4ee5\u4fdd\u75598\u4e2a\u53d7\u652f\u6301\u7684\u81ea\u5b9a\u4e49\u5b57\u7b26\u4e4b\u4e00\u3002\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5b57\u8282\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ create a new character\nlcd.createChar(0, Heart);<\/pre>\n\n\n\n<p>\u5728\u5faa\u73af\u7684\u4e0b\u4e00\u6b65\u4e2d\uff0c\u8981\u663e\u793a\u81ea\u5b9a\u4e49\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528<code>write()<\/code>function\uff0c\u5e76\u4f7f\u7528\u4fdd\u7559\u7684\u5b57\u7b26\u53f7\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ byte(0) represents Heart character.\nlcd.write(byte(0));<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Interfacing-16x2-LCD-with-Arduino-Custom-Character-Generation-Program-output.jpg\" alt=\"\u5c0616x2 LCD\u4e0eArduino\u81ea\u5b9a\u4e49\u5b57\u7b26\u751f\u6210\u7a0b\u5e8f\u8f93\u51fa\u63a5\u53e3\"\/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5e0c\u671b\u60a8\u7684Arduino\u9879\u76ee\u663e\u793a\u72b6\u6001\u6d88\u606f\u6216\u4f20\u611f\u5668\u8bfb\u6570\u5417\uff1f\u90a3\u4e48\u8fd9\u4e9bLCD\u663e\u793a\u5668\u53ef\u80fd\u662f\u6700\u5408\u9002\u7684\u9009\u62e9\u3002\u5b83\u4eec\u662f\u6781\u4e3a\u5e38\u89c1\u7684 &hellip; <a href=\"http:\/\/mgspace.wiki\/docs\/?docs=1602%e6%b6%b2%e6%99%b6%e6%98%be%e7%a4%ba%e5%b1%8f\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c1602\u6db2\u6676\u663e\u793a\u5c4f\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[34],"doc_tag":[],"class_list":["post-1190","docs","type-docs","status-publish","hentry","doc_category-coding"],"_links":{"self":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1190"}],"version-history":[{"count":9,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1190\/revisions"}],"predecessor-version":[{"id":1200,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1190\/revisions\/1200"}],"wp:attachment":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1190"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1190"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=1190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}