{"id":18116,"date":"2022-02-24T00:00:02","date_gmt":"2022-02-23T16:00:02","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=18116"},"modified":"2022-03-01T14:07:08","modified_gmt":"2022-03-01T06:07:08","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e6%82%a8%e7%9a%84%e9%a1%b9%e7%9b%ae%e4%b8%ad%e6%b7%bb%e5%8a%a0%e6%95%b0%e7%a0%81%e7%ae%a1","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/tech-info\/arduino\/how-to-add-a-digital-numerical-display-to-your-project","title":{"rendered":"\u5982\u4f55\u5728\u60a8\u7684\u9879\u76ee\u4e2d\u6dfb\u52a0\u6570\u7801\u7ba1"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eDevicePlus.com<\/a>\u82f1\u8bed\u7f51\u7ad9\u7684\u7ffb\u8bd1\u7a3f\u3002<\/p>\n

\u5728\u4e4b\u524d\u7684\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Arduino\u6765\u63a7\u5236LED\u77e9\u9635\u3002\u4f46\u662f\uff0c\u5982\u679c\u60a8\u7684\u9879\u76ee\u53ea\u9700\u8981\u663e\u793a\u6570\u5b57\uff0c\u90a3\u4e48\u6700\u597d\u4f7f\u7528\u4e03\u6bb5\u6570\u7801\u7ba1\u3002\u8fd9\u4e9b\u6570\u7801\u7ba1\u770b\u8d77\u6765\u50cf\u590d\u53e4\u7684\u6570\u5b57\u95f9\u949f\uff0c\u53ea\u9700\u8981\u4e03\u4e2aLED\u5c31\u53ef\u4ee5\u663e\u793a\u51fa\u6570\u5b57\u3002\u672c\u6307\u5357\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5b8c\u6210\u8fd9\u4e2a\u5de5\u4f5c\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u4e03\u6bb5LED\u6570\u7801\u7ba1\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

\u4e03\u6bb5\u6570\u7801\u7ba1\u662f\u75317\u4e2aLED\u7ec4\u6210\u7684\u9635\u5217\uff0c\u54488\u5b57\u5f62\uff0c\u53ef\u4ee5\u5206\u522b\u88ab\u70b9\u4eae\u4ee5\u663e\u793a\u4e0d\u540c\u7684\u6570\u5b57\uff08\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b<\/a>\u663e\u793a\u7684\u662f\u5b57\u6bcd\uff09\u3002\u901a\u5e38\u4f1a\u6709\u7b2c8\u4e2aLED\u7528\u4f5c\u663e\u793a\u5c0f\u6570\u70b9\u3002\u4e00\u4e9b\u6a21\u5757\u5e26\u6709\u591a\u4e2a\u4e03\u6bb5\u9635\u5217\u3002\u4f8b\u5982\uff0c \u4e00\u4e2a4\u4f4d\u4e03\u6bb5\u6570\u7801\u7ba1<\/a>\u53ef\u4ee5\u7528\u4f5c\u65f6\u949f<\/p>\n

\u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0c\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u53ea\u663e\u793a\u4e00\u4f4d\u6570\u5b57\u3002\u4e03\u6bb5\u6570\u7801\u7ba1\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4e24\u79cd\u5f62\u5f0f\u4e4b\u4e00\uff1a\u5171\u9633\u6781\u548c\u5171\u9634\u6781 \u3002\u5728\u5171\u9633\u6781\u914d\u7f6e\u4e2d\uff0c\u6240\u6709LED\u90fd\u8fde\u63a5\u5230\u7535\u6e90\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06LED\u9009\u62e9\u6027\u5730\u63a5\u5730\u6765\u5bf9\u5176\u8fdb\u884c\u63a7\u5236\u3002\u5728\u5171\u9634\u6781\u914d\u7f6e\u4e2d\uff0c\u60c5\u51b5\u521a\u597d\u76f8\u53cd\uff1a\u6240\u6709LED\u90fd\u63a5\u5730\uff0c\u7136\u540e\u901a\u8fc7\u9009\u62e9\u6027\u5730\u8fde\u63a5\u7535\u6e90\u6765\u5bf9LED\u5355\u72ec\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n

\u60a8\u7684\u6570\u7801\u7ba1\u7684\u786e\u5207\u914d\u7f6e\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u6240\u4ee5\u8bf7\u67e5\u770b\u6a21\u5757\u4e0a\u7684\u6807\u8bb0\u5e76\u627e\u5230\u89c4\u683c\u8868\uff0c\u4ee5\u786e\u8ba4\u6570\u7801\u7ba1\u8fde\u63a5\u7684\u914d\u7f6e\uff0c\u4ee5\u53ca\u54ea\u4e9b\u5f15\u811a\u5bf9\u5e94\u4e8e\u54ea\u4e2aLED\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u75285611AS<\/a>\uff0c\u4e3a\u5171\u9634\u6781\u914d\u7f6e\u3002<\/p>\n

\u4e3a\u4e86\u6210\u529f\u8fd0\u884c\u4ee3\u7801\uff0c\u60a8\u8fd8\u9700\u8981SevSeg\u5e93\uff0c\u53ef\u4ee5\u5728Github\u4e0a\u627e\u5230\u8d44\u6e90<\/a>\u3002\u4e0b\u8f7d.zip\u6587\u4ef6\u540e\uff0c\u8fdb\u5165Sketch > Include library > Add .ZIP library<\/strong>\u7136\u540e\u9009\u62e9SevSeg\u5e93\u3002\u73b0\u5728\uff0c\u60a8\u5c31\u53ef\u4ee5\u5c06\u6b64\u5e93\u5bfc\u5165\u5230\u60a8\u7684\u8349\u56fe\u4e2d\u4e86\u3002<\/p>\n

\u6240\u9700\u90e8\u4ef6<\/h3>\n

\u4e0eLED\u77e9\u9635\u4e00\u6837\uff0c\u8be5\u9879\u76ee\u5c06\u9700\u8981\u76f8\u5f53\u591a\u7684\u5e03\u7ebf\u548c\u7535\u963b\u5668\u3002\u7531\u4e8e\u6bcf\u4e2aLED\u90fd\u9700\u8981\u6709\u81ea\u5df1\u7684\u7535\u963b\u5668\u4ee5\u907f\u514d\u70e7\u574f\uff0c\u6240\u4ee5\u8bf7\u786e\u4fdd\u51c6\u5907\u8db3\u591f\u7684\u7535\u963b\u5668\u3002\u5bf9\u4e8e\u6574\u4e2a\u9879\u76ee\uff0c\u60a8\u9700\u8981\u4ee5\u4e0b\u90e8\u4ef6\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n
Arduino Uno<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u4e03\u6bb5LED\u6570\u7801\u7ba1<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u7535\u7ebf<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
8x 220 ohm\u7535\u963b\u5668<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
\u9762\u5305\u677f<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
USB\u6570\u636e\u7ebf<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n
Arduino IDE<\/a><\/td>\n\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u7531\u4e8e\u63a5\u7ebf\u4f1a\u6bd4\u8f83\u7e41\u6742\uff0c\u8bf7\u786e\u4fdd\u9762\u5305\u677f\u4e0a\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u653e\u7f6e\u6240\u9700\u8981\u7684\u6240\u6709\u7535\u7ebf\u548c\u7535\u963b\u5668\u3002\u4e00\u5207\u51c6\u5907\u5c31\u7eea\u540e\uff0c\u6211\u4eec\u5f00\u59cb\u8fdb\u5165\u4e0b\u4e00\u73af\u8282\u3002<\/p>\n

\u4ee3\u7801<\/h3>\n

\u56e0\u4e3a\u6211\u4eec\u4f7f\u7528\u4e86SevSeg\u5e93\uff0c\u6240\u4ee5\u8be5\u9879\u76ee\u7684\u4ee3\u7801\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u4ee5\u4e0b\u662f\u60a8\u53ef\u4ee5\u7c98\u8d34\u5230IDE\u5e76\u4e0a\u4f20\u7684\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n

#include \u201cSevSeg.h\u201d<\/span>
\nSevSeg digit;<\/span><\/p>\n

void setup(){<\/span>
\nbyte numDigits = 1;<\/span>
\nbyte digitPins[] = {2, 3, 4, 5, 6, 7, 8, 9};<\/span>
\nbyte segmentPins[] = {6, 5, 2, 3, 4, 7, 8, 9};<\/span>
\nbool resistorsOnSegments = true;<\/span><\/p>\n

byte hardwareConfig = COMMON_CATHODE;<\/span>
\ndigit.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments);<\/span>
\ndigit.setBrightness(90);<\/span>
\n}<\/span><\/p>\n

void loop(){<\/span>
\nfor (int i = 0;i < 10;i++){<\/span>
\ndigit.setNumber(i);<\/span>
\ndigit.refreshDisplay();<\/span>
\ndelay(1000);<\/span>
\n}<\/span>
\n}<\/span><\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4ece\u524d\u4e24\u884c\u5f00\u59cb\u67e5\u770b\u4e00\u4e0b\u4ee3\u7801\u7684\u5404\u4e2a\u90e8\u5206\u3002<\/p>\n

#include \u201cSevSeg.h\u201d<\/span>
\nSevSeg digit;<\/span><\/p>\n

\u6b64\u5904\u7684\u7b2c\u4e00\u884c\u7528\u4e8e\u5bfc\u5165SevSeg.h\u5e93\uff0c\u8ba9\u60a8\u53ef\u4ee5\u4f7f\u7528\u8be5\u5e93\u4e2d\u7684\u6240\u6709\u547d\u4ee4\u3002\u7b2c\u4e8c\u4e2a\u7528\u4e8e\u521b\u5efa\u4e00\u4e2aSevSeg\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5728\u672c\u4f8b\u4e2d\u547d\u540d\u4e3a\u201cdigit\u201d\uff0c\u5c06\u7528\u4e8e\u63a7\u5236\u60a8\u7684\u6570\u7801\u7ba1\u3002\u5bf9\u4e8e\u5177\u6709\u591a\u4e2a\u6570\u5b57\u7684\u6a21\u5757\uff0c\u60a8\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u6570\u5b57\u6dfb\u52a0\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5e76\u5206\u522b\u8fdb\u884c\u547d\u540d\u3002<\/p>\n

void setup(){<\/span>
\nbyte numDigits = 1;<\/span>
\nbyte digitPins[] = {2, 3, 4, 5, 6, 7, 8, 9};<\/span>
\nbyte segmentPins[] = {6, 5, 2, 3, 4, 7, 8, 9};<\/span>
\nbool resistorsOnSegments = true;<\/span><\/p>\n

byte hardwareConfig = COMMON_CATHODE;<\/span>
\ndigit.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments);<\/span>
\ndigit.setBrightness(90);<\/span>
\n}<\/span><\/p>\n

\u5728\u672c\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u5bf9\u6570\u7801\u7ba1\u8fdb\u884c\u8bbe\u7f6e\u3002\u8fd9\u91cc\u7684\u5927\u90e8\u5206\u5de5\u4f5c\u90fd\u662f\u7531digit.begin()<\/em>\u51fd\u6570\u6765\u5b8c\u6210\u7684\u3002\u6839\u636eSevSeg\u5e93\u6587\u6863<\/a>\uff0c\u6b64\u547d\u4ee4\u7528\u4e8e\u544a\u8bc9Arduino\u60a8\u7684\u6570\u7801\u7ba1\u5177\u6709\u54ea\u4e9b\u7279\u5f81\uff0c\u4f8b\u5982\u4f4d\u6570\uff08\u5728\u672c\u4f8b\u4e2d\u4e3a1\uff09\u3001\u60a8\u7528\u4e8e\u5bfb\u5740\u6570\u7801\u7ba1\u7684Arduino\u5f15\u811a\uff08\u5f15\u811a2-9\uff09\uff0c\u4ee5\u53ca\u7535\u8def\u4e2d\u662f\u5426\u6709\u7535\u963b\u3002segmentPins<\/em>\u6570\u7ec4\u6307\u5b9a\u4e86\u54ea\u4e2aArduino\u5f15\u811a\u5bf9\u5e94\u4e8e\u54ea\u4e2a\u6bb5\uff0c\u5305\u62ec\u4eceA\u5230G\u4ee5\u53ca\u6700\u540e\u7684\u5c0f\u6570\u70b9\u3002\u8bf7\u53c2\u9605\u60a8\u7684\u6570\u7801\u7ba1\u6587\u6863\u4ee5\u786e\u8ba4\u54ea\u4e9b\u6bb5\u4e0e\u54ea\u4e9b\u5f15\u811a\u76f8\u5bf9\u5e94\u3002<\/p>\n

\u5728\u4f20\u9012\u7ed9digit.begin\u51fd\u6570\u4e4b\u524d\uff0c\u4ee5\u4e0a\u7684\u6bcf\u4e2a\u53c2\u6570\u90fd\u4f1a\u88ab\u5206\u914d\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u8fd9\u6709\u52a9\u4e8e\u5728\u4e4b\u540e\u5bf9\u8349\u56fe\u8fdb\u884c\u6269\u5c55\u3002\u6700\u540e\uff0cdigit.setBrightness\u7528\u6765\u6307\u5b9a\u70b9\u4eaeLED\u7684\u4eae\u5ea6\u3002<\/p>\n

void loop(){<\/span>
\nfor (int i = 0;i < 10;i++){<\/span>
\ndigit.setNumber(i);<\/span>
\ndigit.refreshDisplay();<\/span>
\ndelay(1000);<\/span>
\n}<\/span>
\n}<\/span><\/p>\n

\u5728loop()<\/em>\u90e8\u5206\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5faa\u73af\u6765\u6267\u884c\u663e\u793a\u5de5\u4f5c\uff0c\u5728\u8be5\u5faa\u73af\u4e2d\u5c06\u4ece0\u8ba1\u6570\u52309\uff0c\u7136\u540e\u518d\u91cd\u65b0\u5f00\u59cb\u3002\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u53d8\u91cfi\u5c06\u5728\u7528\u4e8e\u5728digit.setNumber<\/em> \u547d\u4ee4\u4e2d\u544a\u8bc9\u6570\u7801\u7ba1\u663e\u793a\u54ea\u4e2a\u6570\u5b57\u3002SevSeg\u5e93\u4f1a\u81ea\u52a8\u7f16\u8bd1\u8fd9\u4e00\u547d\u4ee4\uff0c\u7136\u540e\u5c06\u6b63\u786e\u7684\u4fe1\u53f7\u53d1\u9001\u5230\u6b63\u786e\u7684LED\u6bb5\uff08\u53ea\u8981\u60a8\u5728\u4e0a\u4e00\u90e8\u5206\u4e2d\u6b63\u786e\u5206\u914d\u4e86\u5b83\u4eec\uff09\u3002\u63a5\u4e0b\u6765\uff0c\u8c03\u7528digit.refreshDisplay<\/em>\u6765\u901a\u77e5\u6570\u7801\u7ba1\u66f4\u65b0\u6570\u5b57\u3002<\/p>\n

\u6700\u540e\uff0c\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u4e2a delay(1000)<\/em>\u547d\u4ee4\u6765\u4f7f\u6bcf\u4e2a\u6570\u5b57\u53ef\u4ee5\u663e\u793a\u4e00\u79d2\u949f\u3002<\/p>\n

\u63a5\u7ebf<\/h3>\n

\"\"
\n\u8fde\u63a5\u6570\u7801\u7ba1\u5c06\u4f1a\u6d89\u53ca\u5f88\u591a\u7684\u63a5\u7ebf\u5de5\u4f5c\uff0c\u4e0d\u8fc7\u5176\u5b9e\u8be5\u8fc7\u7a0b\u5e76\u4e0d\u50cf\u770b\u8d77\u6765\u90a3\u4e48\u590d\u6742\u3002\u518d\u6b21\u8bf4\u660e\uff0c\u6211\u4eec\u6240\u4f7f\u7528\u7684\u578b\u53f7\u662f5611AS<\/a>\uff0c\u4f46\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u5176\u4ed6\u578b\u53f7\uff0c\u8bf7\u67e5\u770b\u60a8\u7684\u6570\u7801\u7ba1\u89c4\u683c\u3002\u4ece\u6570\u7801\u7ba1\u7684\u5e95\u90e8\uff08\u6709\u5c0f\u6570\u70b9LED\u7684\u4e00\u4fa7\uff09\u5f00\u59cb\uff0c\u4ece\u5de6\u5230\u53f3\uff0c\u5f15\u811a\u4e3a1\u52305\u3002\u5728\u9876\u90e8\uff0c\u4ece\u5de6\u5230\u53f3\u4e3a\u5f15\u811a10\u52306\u3002\u60a8\u53ef\u4ee5\u5c06\u5176\u89c6\u4e3a\u4ece\u5de6\u4e0b\u89d2\u5f00\u59cb\u4e3a\u5f15\u811a1\uff0c\u7136\u540e\u6cbf\u9006\u65f6\u9488\u7ed5\u6570\u7801\u7ba1\u8ba1\u6570\u4f9d\u6b21\u5230\u5f15\u811a10\u3002<\/p>\n

\u5bf9\u4e8e\u8be5\u6570\u7801\u7ba1\uff0c\u60a8\u9700\u8981\u5728Arduino\u4e0e\u6570\u7801\u7ba1\u5f15\u811a\u4e4b\u95f4\u8fde\u63a58\u4e2a\u7535\u8def\uff0c\u5e76\u4e14\u6bcf\u4e2a\u7535\u8def\u4e2d\u95f4\u90fd\u6709\u4e00\u4e2a220\u6b27\u59c6\u7535\u963b\u5668\u3002\u6bcf\u4e2aLED\u90fd\u9700\u8981\u4e00\u4e2a\u7535\u963b\u5668\u6765\u9632\u6b62\u88ab\u70e7\u574f\u3002\u867d\u7136\u60a8\u4e5f\u53ef\u4ee5\u5728\u516c\u5171\u63a5\u5730\u5f15\u811a\u540e\u6dfb\u52a0\u4e00\u4e2a\u66f4\u9ad8\u963b\u503c\u7684\u7535\u963b\u5668\uff0c\u4f46\u662f\u8fd9\u4f1a\u5bfc\u81f4\u4e0d\u540c\u6570\u5b57\u663e\u793a\u51fa\u4e0d\u540c\u7ea7\u522b\u7684\u4eae\u5ea6\uff0c\u800c\u8be5\u4eae\u5ea6\u53d6\u51b3\u4e8e\u70b9\u4eae\u7684\u6bb5\u6570\u3002<\/p>\n

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