{"id":881,"date":"2016-05-13T15:01:19","date_gmt":"2016-05-13T07:01:19","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=881"},"modified":"2016-05-13T15:01:19","modified_gmt":"2016-05-13T07:01:19","slug":"arduino-4x4-%e8%96%84%e8%86%9c%e9%8d%b5%e7%9b%a4","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=881","title":{"rendered":"[ Arduino ] – 4×4 \u8584\u819c\u9375\u76e4"},"content":{"rendered":"

library \u4e0b\u8f09\u7db2\u5740\uff1ahttp:\/\/cnlearn.linksprite.com\/wp-content\/uploads\/2014\/03\/keypad.zip<\/a>
\n\u7a0b\u5f0f\u78bc\uff1a
\n[javascript]
\n#include <Keypad.h>
\nconst byte ROWS = 4;
\nconst byte COLS = 4;
\n\/\/define the symbols on the buttons of the keypads
\nchar Keys[ROWS][COLS] =
\n{
\n {‘1′,’2′,’3′,’A’},
\n {‘4′,’5′,’6′,’B’},
\n {‘7′,’8′,’9′,’C’},
\n {‘*’,’0′,’#’,’D’}
\n};\/\/\u4ee5\u4e0a 4×4 \u9663\u5217\u53ef\u81ea\u8a02\u6210\u4f60\u8981\u7684\u5b57\u5143
\nbyte rowPins[ROWS] = {2,3,4,5};\/\/\u5217\u8173\u4f4d
\nbyte colPins[COLS] = {6,7,8,9};\/\/\u884c\u8173\u4f4d
\n\/\/initialize an instance of class NewKeypad
\nKeypad customKeypad = Keypad(makeKeymap(Keys),rowPins,colPins,ROWS,COLS);
\nvoid setup()
\n{
\n Serial.begin(9600);\/\/\u958b\u555f\u5e8f\u5217
\n Serial.println("Please press the keyboard:");
\n}
\nvoid loop()
\n{
\n char key = customKeypad.getKey();
\n if(key!=NO_KEY)
\n {
\n Serial.print("Key Value : ");
\n Serial.println(key);\/\/\u5370\u51fa\u6240\u6309\u4e0b\u7684\u5b57\u5143
\n }
\n}
\n[\/javascript]
\n\u539f\u6587\u7db2\u5740\uff1a
\nhttp:\/\/learn.linksprite.com\/arduino\/4×4-keyboard-for-arduino\/<\/a>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

library \u4e0b\u8f09\u7db2\u5740\uff1ahttp:\/\/cnlea…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[80,1144],"class_list":["post-881","post","type-post","status-publish","format-standard","hentry","category-arduino","tag-4x4","tag-1144"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=881"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/881\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}