![\"\"](\"https:\/\/104.es\/wp-content\/uploads\/2017\/08\/2017-08-29-16.05.10.jpg\")
<\/a><\/p>\n\u56e0\u70ba\u662f\u5171\u967d\u6975\u76847\u6bb5\u986f\u793a\u5668\uff0c\u6240\u4ee5\u8981\u628a7\u6bb5\u986f\u793a\u5668\u7684Vcc\u9023\u63a5\u52305V\u7684\u6b63\u96fb\u6e90\u8655\uff0c\u800c\u5176\u5b83\u7684abcdefg\u63a5\u8173\u5247\u5206\u5225\u9023\u63a5\u4e00\u500b\u96fb\u963b\u4e4b\u5f8c\u518d\u63a5\u52307447\u7684abcdefg\u63a5\u8173\uff0c\u800c7447\u9019\u9846IC\u672c\u8eab\u5c31\u9700\u8981\u96fb\u6e90\uff0c\u56e0\u6b64\u5b83\u7684Vcc\u63a55V\uff0c\u800cGND\u5c31\u63a5\u5230\u9eb5\u5305\u677f\u7684GND\u5c31\u53ef\u4ee5\u4e86\u3002\u7531\u65bc\u662f\u96a8\u4fbf\u63a5\u63a5\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u5c0f\u5fc3\u77ed\u8def\u7684\u554f\u984c\u3002\u5728\u63a5\u4e0a\u96fb\u6e90\u4e4b\u524d\uff0c\u8acb\u518d\u4e00\u6b21\u4ed4\u7d30\u78ba\u8a8d\u9023\u7dda\u3002\u81f3\u65bc7447\u4ee5\u53ca7\u6bb5\u986f\u793a\u5668\u7684\u8173\u4f4d\uff0c\u5247\u53ef\u4ee5\u8f15\u6613\u5730\u5728\u7db2\u8def\u4e2d\u627e\u5230\u3002<\/p>\n
\u6700\u5f8c\uff0c\u6700\u91cd\u8981\u7684\u7a0b\u5f0f\u5982\u4e0b\uff1a<\/p>\n
[code]
\nbyte bcd_code[10][4] = {
\n {0,0,0,0},
\n {0,0,0,1},
\n {0,0,1,0},
\n {0,0,1,1},
\n {0,1,0,0},
\n {0,1,0,1},
\n {0,1,1,0},
\n {0,1,1,1},
\n {1,0,0,0},
\n {1,0,0,1}
\n};<\/p>\n
void setup() {
\n pinMode(2, OUTPUT);
\n pinMode(3, OUTPUT);
\n pinMode(4, OUTPUT);
\n pinMode(5, OUTPUT);<\/p>\n
}<\/p>\n
void disp(byte d) {
\n for(byte i=0; i<4; i++) {
\n digitalWrite(5-i, bcd_code[d][i]);
\n }
\n}
\nvoid loop() {<\/p>\n
for(byte i=0; i<10; i++) {
\n disp(i);
\n delay(1000);
\n }
\n}
\n[\/code]<\/p>\n
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Arduino\u662f\u4e00\u500b\u975e\u5e38\u65b9\u4fbf\u597d\u7528\u7684\u55ae\u6676\u7247\u63a7\u5236\u96fb\u8166\uff0c\u7531\u65bc\u50f9\u683c\u4fbf\u5b9c\u800c\u4e14\u9023\u63a5\u8f38\u51fa\u5165\u88dd\u7f6e\u975e\u5e38\u8fc5\u901f\u65b9\u4fbf\uff0c\u56e0\u70ba\u6df1\u53d7\u8a31\u591aMaker\u7684\u559c\u611b\u3002Arduino\u8981\u8f38\u51fa\u4e00\u4e9b\u8a0a\u606f\u5728\u7df4\u7fd2\u7684\u6642\u5019\u53ef\u4ee5\u900f\u904e\u96fb\u8166\u87a2\u5e55\u4f86\u8f38\u51fa\uff0c\u4f46\u662f\u5728\u5be6\u969b\u61c9\u7528\u4e0a\uff0c\u7576\u7136\u4e0d\u80fd\u9084\u662f\u501a\u8cf4\u96fb\u8166\uff0c\u56e0\u70ba\u5b83\u81ea\u5df1\u5c31\u662f\u4e00\u53f0\u96fb\u8166\u5440\u3002\u800c\u9664\u4e86\u4f7f\u7528LCD\u986f\u793a\u5668\u6216\u662fHMI\u986f\u793a\u5668\u8f38\u51fa\u4e4b\u5916\uff0c\u4e00\u500b\u6700\u7c21\u55ae\u7684\u65b9\u5f0f\u5c31\u662f\u900f\u904e7\u6bb5\u986f\u793a\u5668\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[105,24,197],"class_list":["post-1744","post","type-post","status-publish","format-standard","hentry","category-arduino","tag-105","tag-arduino","tag-197"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/1744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/comments?post=1744"}],"version-history":[{"count":0,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/1744\/revisions"}],"wp:attachment":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media?parent=1744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/categories?post=1744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/tags?post=1744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/104.es\/wp-content\/uploads\/2017\/08\/2017-08-29-16.04.33.jpg\")
<\/a><\/p>\n