{"id":871,"date":"2021-03-24T09:28:00","date_gmt":"2021-03-24T01:28:00","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=871"},"modified":"2024-03-15T13:38:14","modified_gmt":"2024-03-15T05:38:14","slug":"keyboard","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/keyboard\/","title":{"rendered":"Arduino \u96fb\u5b50\u7434(\u9375\u76e4\u6383\u63cf)\u5be6\u7fd2"},"content":{"rendered":"
\n
\"\"\/
4×4\u6309\u9375<\/figcaption><\/figure>\n<\/div>\n\n
\n
\"\"\/
4×4 \u6309\u9375\u96fb\u8def\u5716<\/figcaption><\/figure>\n<\/div>\n\n\n

\u8a2d\u5099\u8207\u6750\u6599<\/h2>\n\n\n\n

\u500b\u4eba\u96fb\u8166 \u00d7 1
arduino Uno \u00d7 1
\u9eb5\u5305\u677f \u00d7 1
\u5587\u53ed \u00d7 1
NPN \u96fb\u6676\u9ad4 9013 \u00d7 1
\u96fb\u963b 220\u03a9 \u00d7 1
4×4\u6309\u9375 \u00d7 1
\u9023\u63a5\u7dda \u82e5\u5e72<\/p>\n\n\n\n

\u5be6\u9ad4\u63a5\u7dda\u5716<\/h2>\n\n\n
\n
\"\"\/<\/figure>\n<\/div>\n\n\n

\u53c3\u8003\u7a0b\u5f0f<\/h2>\n\n\n\n
\/***************************************************\/\n\/*  \u6309\u9375\u6383\u63cf\u7a0b\u5f0f\uff0c\u6309S1 code=1\uff0c\u6309S2 code=2 ...       *\/\n\/***************************************************\/\n\nconst int  CS[4]={8,9,10,11};  \/\/\u8a2d\u5b9a\u8f38\u5165\u63a5\u8173\nconst int  RS[4]={6,5,4,3};   \/\/\u8a2d\u5b9a\u6383\u63cf\u8f38\u51fa\u63a5\u8173\nbyte code=0;  \/\/\u6309\u9375\u72c0\u614b\n\/\/\u5587\u53ed\u63a5\u8173\u5b9a\u7fa9\u8acb\u81ea\u884c\u52a0\u5165\n\/\/\u97f3\u968e\u983b\u7387\u8868\u8acb\u81ea\u884c\u52a0\u5165\n\nvoid setup() {\n  for(int i=0;i<4;i++){\n        \/\/\u8a2d\u5b9a\u8f38\u5165\u63a5\u8173\n        pinMode(CS[i],INPUT_PULLUP);\n        \/\/\u8a2d\u5b9a\u6383\u63cf\u8f38\u51fa\u63a5\u8173\n        pinMode(RS[i],OUTPUT);\n        \/\/\u8f38\u51fa\u5168\u90e8\u9ad8\u96fb\u4f4d\n        digitalWrite(RS[i],HIGH);\n  }\n  \/\/\u958b\u59cb\u4e32\u5217\u50b3\u8f38 \u9019\u662f\u6e2c\u8a66\u6309\u9375\u72c0\u614b\u7a0b\u5f0f\uff0c\u6b63\u5f0f\u505a\u96fb\u5b50\u7434\u6642\u8acb\u522a\u9664\n  Serial.begin(9600);     \n}\n\nvoid loop() {\n\n     \/\/\u6309\u9375\u6383\u63cf\n    code = 0 ;\n    for(int i=0;i<4;i++){\n       \/\/\u4f9d\u5e8f\u5c07RS[]\u7684\u63a5\u8173\u8f38\u51fa\u4f4e\u96fb\u4f4d \n        digitalWrite(RS[i],LOW);\n        \/\/\u4f9d\u5e8f\u6aa2\u6e2cCS[]\u7684\u63a5\u8173\u662f\u5426\u662f\u4f4e\u96fb\u4f4d(\u662f\u5426\u6309\u9375)\n        for(int j=0;j<4;j++){\n            if(!digitalRead(CS[j])){\n              code = 1+4*i+j;  \n              Serial.println(code); \/\/\u9019\u662f\u6e2c\u8a66\u6309\u9375\u72c0\u614b\u7a0b\u5f0f\uff0c\u6b63\u5f0f\u505a\u96fb\u5b50\u7434\u6642\u8acb\u522a\u9664\n              delay(500); \/\/\u9019\u662f\u6e2c\u8a66\u6309\u9375\u72c0\u614b\u7a0b\u5f0f\uff0c\u6b63\u5f0f\u505a\u96fb\u5b50\u7434\u6642\u8acb\u522a\u9664\n              break;\n            }\n        }\n       \/\/\u5c07RS[]\u7684\u63a5\u8173\u8f38\u51fa\u9ad8\u96fb\u4f4d \n        digitalWrite(RS[i],HIGH);\n    }  \n    \n    \/\/\u8acb\u81ea\u884c\u52a0\u4e0a\u5224\u65b7\u6309\u9215\u767c\u51fa\u76f8\u5c0d\u97f3\u968e\u7a0b\u5f0f\n    \/\/\u5efa\u8b70\u4f7f\u7528 switch \u9078\u64c7\u6307\u4ee4\n\n\n}\n<\/code><\/pre>\n\n\n\n
\u97f3\u968e\u983b\u7387\u8868<\/h2>\n\n\n\n
\/\/\u4f4e8\u5ea6\u97f3\u983b\u7387\u8868 lfreqs[1]=>\u4f4e\u97f3Do\nint lfreqs[] = {0,131,147,165,175,196,220,247};\n\/\/\u4e2d\u97f3\u983b\u7387\u8868 freqs[1]=>Do\nint freqs[] = {0,262,294,330,349,392,440,494};\n\/\/\u9ad88\u5ea6\u97f3\u983b\u7387\u8868 hfreqs[1]=>\u9ad8\u97f3Do\nint hfreqs[] = {0,523,587,659,698,784,880,988};\n\/\/\u9ad816\u5ea6\u97f3\u983b\u7387\u8868 shfreqs[1]=>\u9ad816\u5ea6\u97f3Do\nint shfreqs[] = {0,1046,1175,1318,1397,1568,1760,1976};\n\n\/\/\u4e2d\u97f3\u534a\u97f3\u983b\u7387\u8868 ufreqs[1]=>#Do\nint ufreqs[] = {0,278,313,0,373,418,469,0};\n<\/code><\/pre>\n\n\n\n
 \u4f7f\u7528 arduino IDE\u5167\u7684\u5e8f\u5217\u6236\u76e3\u63a7\u8996\u7a97\u5c31\u53ef\u4ee5\u770b\u5230\u57f7\u884c\u7d50\u679c <\/p>\n\n\n
\n
\"\"\/
\u57f7\u884c\u7d50\u679c<\/figcaption><\/figure>\n<\/div>\n\n\n
\u529f\u80fd<\/h2>\n\n\n\n
\u4e0a\u9762\u53c3\u8003\u7a0b\u5f0f\u662f\u6309\u9375\u6383\u63cf\u7a0b\u5f0f\uff0c\u5229\u75288\u652f\u63a5\u8173\u4f86\u8b80\u53d616\u500b\u6309\u9215\u7684\u6309\u9375\u72c0\u614b\uff0c\u8acb\u628a\u4e0a\u9762\u7a0b\u5f0f\u52a0\u5165\u767c\u97f3\u529f\u80fd\uff0c\u8b8a\u6210\u4e00\u53f0\u5c0f\u5c0f\u96fb\u5b50\u7434\uff0c\u767c\u97f3\u97f3\u968e\u5982\u4e0b\u5716\u3002<\/p>\n\n\n
\n
\"\"\/<\/figure>\n<\/div>\n\n\n
\u63d0\u793a<\/h2>\n\n\n\n
\u96fb\u5b50\u7434\u662f\u6309\u591a\u4e45\u5c31\u767c\u97f3\u591a\u4e45\uff0c\u653e\u958b\u6642\u505c\u6b62\u767c\u97f3\uff0c\u56e0\u6b64\u5efa\u8b70\u4f7f\u7528 tone(pin,frequency) <\/strong> \u8207  noTone(pin)<\/strong> <\/span>\u51fd\u5f0f \u914d\u5408\u97f3\u968e\u983b\u7387\u8868\u4f86\u767c\u97f3<\/p>\n\n\n\n
\u76f8\u95dc\u77e5\u8b58<\/h2>\n\n\n\n
\u9375\u76e4\u6383\u63cf<\/mark><\/a><\/span>
switch<\/mark><\/a>
tone<\/mark><\/a><\/span>
noTone<\/mark><\/span><\/a><\/p>\n\n\n\n
\n\n\n\n
\u5165\u9580<\/div><\/span>
\u77e5\u8b58<\/div><\/span>
\u8a9e\u6cd5<\/div><\/span>
\u6d41\u7a0b<\/div><\/span>
\u51fd\u5f0f<\/div><\/span>
\u5be6\u7fd2<\/div><\/span><\/div>
Arduino \u7c21\u4ecb<\/a>
\u6e96\u5099\u4f60\u7684 Arduino \u958b\u767c\u5de5\u5177<\/a>
\u6e96\u5099\u4f60\u7684 ESP12E\/F \u958b\u767c\u5de5\u5177<\/a>
Arduino Uno \u786c\u9ad4<\/a>
Arduino nano \u786c\u9ad4<\/a>
ESP-12F(ESP8266)\u786c\u9ad4<\/a>
Arduino \u7a0b\u5f0f\u8a9e\u6cd5<\/a>
\u532f\u5165 zip \u7a0b\u5f0f\u5eab<\/a> 
<\/p><\/div><\/div><\/div>
\u99dd\u5cf0\u5f0f\u547d\u540d\u6cd5<\/a>
UART \u4e32\u5217\u901a\u8a0a<\/a> 
PWM\u63a7\u5236<\/a>
\u9375\u76e4\u6383\u63cf<\/a>
ThingSpeak \u96f2\u7aef\u8cc7\u6599\u5eab \u5e33\u865f\u7533\u8acb<\/a>
ThingSpeak \u96f2\u7aef\u8cc7\u6599\u5eab \u8a2d\u5b9a<\/a><\/p><\/div><\/div><\/div>
Arduino \u9032\u5236\u8868\u793a<\/a>
Arduino \u9663\u5217<\/a>
Arduino \u5e38\u6578\u8207\u8b8a\u6578<\/a>

Arduino \u7b97\u6578\u904b\u7b97\u5b50<\/a>
Arduino \u8907\u5408\u904b\u7b97\u5b50<\/a>
Arduino \u5e03\u6797\u904b\u7b97\u5b50<\/a>
Arduino \u6bd4\u8f03\u904b\u7b97\u5b50<\/a>

Arduino IDE \u932f\u8aa4\u8a0a\u606f<\/a><\/p><\/div><\/div><\/div>
Arduino for \u8ff4\u5708<\/a>
Arduino if \u689d\u4ef6\u5224\u65b7<\/a>
Arduino switch \u9078\u64c7\u6307\u4ee4<\/a>
Arduino while \u8ff4\u5708<\/a>
Arduino do while \u8ff4\u5708<\/a><\/p><\/div><\/div><\/div>
Arduino \u6578\u4f4dI\/O\u51fd\u5f0f<\/a>
Arduino \u985e\u6bd4I\/O\u51fd\u5f0f<\/a>
Arduino \u6642\u9593\u51fd\u5f0f<\/a>
Arduino \u6578\u5b78\u51fd\u5f0f<\/a>
Arduino \u901a\u8a0a\u7269\u4ef6\u51fd\u5f0f<\/a>
Arduino \u767c\u97f3\u51fd\u5f0f<\/a>
Arduino \u81ea\u5b9a\u51fd\u5f0f<\/a><\/p><\/div><\/div><\/div>
Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u55ae\u71c8\u9583\u720d)
Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u8dd1\u99ac\u71c8-\u611a\u516c\u79fb\u5c71)
Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u8dd1\u99ac\u71c8-for\u8ff4\u5708)
Arduino \u6578\u4f4d\u8f38\u5165\u5be6\u7fd2<\/a>
Arduino \u6578\u4f4d\u8f38\u5165\u5be6\u7fd2(INPUT_PULLUP)<\/a>
Arduino \u985e\u6bd4\u8f38\u5165\u5be6\u7fd2<\/a>
Arduino PWM <\/a>\u5be6\u7fd2<\/a> (\u547c\u5438\u71c8)
 Arduino PWM \u5be6\u7fd2<\/a> (\u5149\u611f\u61c9\u8abf\u5149\u71c8) 
Arduino 8×8 LED Matrix MAX7219 \u5be6\u7fd2<\/a> 
Arduino \u7d05\u7da0\u71c8\u5c0f\u7da0\u4eba \u5be6\u7fd2<\/a> 
Arduino \u8a08\u6642\u5668 \u5be6\u7fd2<\/a>
Arduino \u97f3\u6a02\u76d2<\/a>
Arduino \u96fb\u5b50\u7434(\u9375\u76e4\u6383\u63cf)<\/a>
Arduino DHT11 \u6eab\u6fd5\u5ea6\u611f\u61c9\u5668<\/a>
Arduino OLED \u986f\u793a<\/a>
Arduino \u8d85\u97f3\u6ce2\u6e2c\u8ddd\u6a21\u7d44 HC-SR04<\/a><\/span>
Arduino \u57f7\u884c\u6642\u9593\u5be6\u7fd2<\/a>
Arduino \u96fb\u5bb9\u6e2c\u8a66\u5668<\/a>
Arduino \u7d05\u5916\u7dda\u63a5\u6536\u5be6\u7fd2<\/a>
Arduino \u7d05\u5916\u7dda\u767c\u5c04\u5be6\u7fd2 EPSON \u6295\u5f71\u6a5f\u63a7\u5236 <\/a>
ESP-12F \u7db2\u8def\u667a\u6167\u958b\u95dc(MQTT)<\/a>
ESP-12F \u96f2\u7aef\u8a18\u9304\u578b K-Type \u6eab\u5ea6\u8a08(MQTT  ThingSpeak)<\/a>
ESP-12F \u624b\u6a5f\u96f2\u7aef\u7d05\u5916\u7dda\u63a7\u5236<\/a>
ESP-12F \u7db2\u8def\u96fb\u53f0\u6536\u97f3\u6a5f<\/a>
ESP-12F \u96fb\u5b50\u9f13<\/a><\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"
\u8a2d\u5099\u8207\u6750\u6599 \u500b\u4eba\u96fb\u8166 \u00d7 1arduino Uno \u00d7 1\u9eb5\u5305\u677f \u00d7 1\u5587\u53ed \u00d7 1NPN \u96fb\u6676\u9ad4 9013 … 
 Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70,3],"tags":[15,32],"class_list":["post-871","post","type-post","status-publish","format-standard","hentry","category-internship","category-mcu","tag-arduino","tag-input"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"
4×4\u6309\u9375 4×4 \u6309\u9375\u96fb\u8def\u5716 \u8a2d\u5099\u8207\u6750\u6599 \u500b\u4eba\u96fb\u8166 \u00d7 1arduino Uno \u00d7 1\u9eb5\u5305\u677f \u00d7 1\u5587\u53ed \u00d7 1NPN \u96fb\u6676\u9ad4 9013 \u00d7 1\u96fb\u963b 220\u03a9 \u00d7 14&#21…<\/p>\n","category_list":"Arduino \u5be6\u7fd2<\/a>, \u5fae\u8655\u7406\u6a5f<\/a>","author_info":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable_v2":"
4×4\u6309\u9375 4×4 \u6309\u9375\u96fb\u8def\u5716 \u8a2d\u5099\u8207\u6750\u6599 \u500b\u4eba\u96fb\u8166 \u00d7 1arduino Uno \u00d7 1\u9eb5\u5305\u677f \u00d7 1\u5587\u53ed \u00d7 1NPN \u96fb\u6676\u9ad4 9013 \u00d7 1\u96fb\u963b 220\u03a9 \u00d7 14&#21…<\/p>\n","category_list_v2":"Arduino \u5be6\u7fd2<\/a>, \u5fae\u8655\u7406\u6a5f<\/a>","author_info_v2":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/comments?post=871"}],"version-history":[{"count":30,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/871\/revisions"}],"predecessor-version":[{"id":5252,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/871\/revisions\/5252"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}