{"id":717,"date":"2019-11-14T10:38:39","date_gmt":"2019-11-14T02:38:39","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=717"},"modified":"2021-10-07T19:54:47","modified_gmt":"2021-10-07T11:54:47","slug":"input-pullup","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/input-pullup\/","title":{"rendered":"Arduino \u6578\u4f4d\u8f38\u5165\u5be6\u7fd2 \uff08INPUT_PULLUP\uff09"},"content":{"rendered":"\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
LED \u00d7 8
4×4\u6309\u9375 \u00d7 1
9pin A\u578b 331\u6392\u963b \u00d7 1
\u9023\u63a5\u7dda \u82e5\u5e72<\/p>\n\n\n\n

\u96fb\u8def\u5716<\/h2>\n\n\n\n
\"\"\/
LED \u96fb\u8def\u5716<\/figcaption><\/figure><\/div>\n\n\n\n
\"\"\/
4×4\u6309\u9375\u96fb\u8def\u5716<\/figcaption><\/figure><\/div>\n\n\n\n

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

LED \u9663\u5217<\/h2>\n\n\n\n
\"\"
LED \u9663\u5217<\/figcaption><\/figure><\/div>\n\n\n\n

\u4e0a\u5716\u662f\u5c0710\u500bLED\u5305\u88dd\u6210IC\u5f62\u5f0f\u7684LED\u9663\u5217\uff0c\u63a5\u8173\u6b63\u8ca0\u5982\u4f55\u5224\u65b7\u5462?\u6709\u6587\u5b57\u5370\u5237\u90a3\u9762\u63a5\u8173\u70ba\uff0b<\/span>\uff0c\u5c0d\u9762\u63a5\u8173\u70ba\uff0d<\/span><\/p>\n\n\n\n

<\/p>\n\n\n\n

\u529f\u80fd<\/h2>\n\n\n\n

\u672c\u5be6\u7fd2\u7528\u56db\u500b\u6309\u9215\u4f86\u9078\u64c710\u71c8LED\u4e0d\u540c\u8dd1\u6cd5\uff0c \u4f7f\u7528 arduino INPUT_PULLUP<\/span> \u6a21\u5f0f\uff0c\u56e0\u70ba arduino \u5167\u90e8\u5df2\u6709\u4e0a\u62c9\u96fb\u963b\u63a5\u5230 5V\uff0c\u6240\u4ee5\u63a5\u7dda\u6642\u5c31\u4e0d\u9700\u8981\u4e0a\u62c9\u96fb\u963b\uff0c\u7c21\u5316\u63a5\u7dda\u3002<\/p>\n\n\n\n


\u6309 S1 \u6309\u9215\u6642\uff0c10\u71c8LED 1\u71c8\u4f86\u56de\u8dd1\uff0c\u6bcf\u6b21\u79fb\u52d5\u4e00\u500b\u71c8 \u5ef6\u9072\u6642\u9593 100ms
\u6309 S2 \u6309\u9215\u6642\uff0c10\u71c8LED 2\u71c8\u4f86\u56de\u8dd1\uff0c\u6bcf\u6b21\u79fb\u52d5\u4e00\u500b\u71c8 \u5ef6\u9072\u6642\u9593 100ms
\u6309 S3 \u6309\u9215\u6642\uff0c10\u71c8LED 3\u71c8\u4f86\u56de\u8dd1\uff0c\u6bcf\u6b21\u79fb\u52d5\u4e00\u500b\u71c8 \u5ef6\u9072\u6642\u9593 100ms
\u6309 S4 \u6309\u9215\u6642\uff0c10\u71c8LED 4\u71c8\u4f86\u56de\u8dd1\uff0c\u6bcf\u6b21\u79fb\u52d5\u4e00\u500b\u71c8 \u5ef6\u9072\u6642\u9593 100ms

PS:\u6309\u4e00\u6b21\u6309\u9215\u8dd1\u4e00\u6b21\u4f86\u56de<\/p>\n\n\n\n

\"\"\/
\u55ae\u71c8\u8dd1\u99ac\u71c8\u4f86\u56de\u51718\u71c8<\/figcaption><\/figure><\/div>\n\n\n\n

\u7a0b\u5f0f<\/h2>\n\n\n\n
\/\/\u5168\u57df\u8b8a\u6578\n\nconst int PB[4] = {10, 11, 12, 13};           \/\/\u8f38\u5165\u63a5\u8173\nconst int LED[8] = {2, 3, 4, 5, 6, 7, 8, 9};  \/\/\u8f38\u51fa\u63a5\u8173\nboolean s1;       \/\/\u6309\u9215\u72c0\u614b\u8b8a\u6578\n\nvoid setup() {\n  \/\/\u8a2d\u5b9a Arduino \u8f38\u51fa\u63a5\u8173\n  for (int i = 0; i < 8; i++) {\n    pinMode(LED[i], OUTPUT);\n  }\n  \/\/\u8a2d\u5b9a Arduino \u8f38\u5165\u63a5\u8173\n  for (int i = 0; i < 4; i++) {\n    pinMode(PB[i],INPUT_PULLUP);\n  }\n}\n\nvoid loop() {\n  s1 = !digitalRead(PB[0]); \/\/ \u8b80\u53d6S1\u6309\u9215\u7684\u72c0\u614b\n  if(s1){\n    led1(100);    \/\/\u547c\u53eb\u81ea\u8a02\u51fd\u6578 led1\n  }\n}\n\n\/\/1\u71c8\u8d70\u99ac\u71c8\u7a0b\u5f0f\nvoid led1(int delayTime){\n    for (int i = 0; i < 7; i++) {\n      digitalWrite(LED[i], HIGH);\n      delay(delayTime);\n      digitalWrite(LED[i], LOW);\n    }\n    for (int i = 7; i >= 0; i--) {\n      digitalWrite(LED[i], HIGH);\n      delay(delayTime);\n      digitalWrite(LED[i], LOW);\n    }      \n}\n\n<\/code><\/pre>\n\n\n\n
\u4e0a\u8ff0\u793a\u7bc4\u7a0b\u5f0f\u50c5\u6709\u6309 S1 \u6309\u9215\u6642\uff0c8\u71c8LED\u55ae\u71c8\u4f86\u56de\u8dd1\uff0c\u6bcf\u6b21\u79fb\u52d5\u4e00\u500b\u71c8 \u5ef6\u9072\u6642\u9593 100ms\uff0c\u8acb\u4f60\u81ea\u884c\u4fee\u6539\u7a0b\u5f0f\u6539\u621010\u71c8\u52a0\u4e0a S2\u3001S3\u3001S4 \u6309\u9375\u529f\u80fd<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u9032\u968e<\/h2>\n\n\n\n
\u4f60\u53ef\u4ee5\u66f4\u6539\u7a0b\u5f0f\u529f\u80fd\uff0c\u4e0d\u540c\u6309\u9375\u6709\u4e0d\u540c\u7684LED\u71c8\u8b8a\u5316<\/p>\n\n\n\n
\u76f8\u95dc\u77e5\u8b58<\/h2>\n\n\n\n
\u81ea\u5b9a\u51fd\u6578<\/span><\/a>
if \u5224\u65b7\u5f0f<\/span><\/a>
if  else \u5224\u65b7\u5f0f<\/span><\/a>
digitalRead \u51fd\u6578<\/span><\/a>
boolean<\/span><\/a>
INPUT_PULL<\/span><\/a>
\u9663\u5217<\/span><\/a>
for \u8ff4\u5708<\/span><\/a>
Arduino \u8907\u5408\u904b\u7b97\u5b50<\/span><\/a>
const<\/span><\/a>
Arduino Uno \u786c\u9ad4<\/span><\/a>
int<\/span><\/a>
void<\/span><\/a>
setup \u51fd\u6578<\/span><\/a>
loop \u51fd\u6578<\/span><\/a>
pinMode \u51fd\u6578<\/span><\/a>
<\/span>digitalWrite \u51fd\u6578<\/span><\/a>
delay \u51fd\u6578<\/span><\/a><\/p>\n\n\n\n
\u5b78\u7fd2\u76ee\u6a19<\/h2>\n\n\n\n
1.\u4e86\u89e3\u8f38\u5165\u63a5\u8173 INPUT_PULL \u8a2d\u5b9a<\/span>
2.\u4e86\u89e3 if \u5224\u65b7\u5f0f
3.\u4e86\u89e3\u81ea\u5b9a\u51fd\u5f0f<\/span>
<\/p>\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 1LED \u00d7 84×4\u6309\u9375 \u00d7… 
 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":[15,25],"class_list":["post-717","post","type-post","status-publish","format-standard","hentry","category-internship","category-mcu","tag-arduino","tag-input_pullup"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"
\u8a2d\u5099\u8207\u6750\u6599 \u500b\u4eba\u96fb\u8166 \u00d7 1arduino Uno \u00d7 1\u9eb5\u5305\u677f \u00d7 1LED \u00d7 84×4\u6309\u9375 \u00d7 19pin A\u578b 331\u6392\u963b \u00d7 1\u9023\u63a5\u7dda \u82e5\u5e72 \u96fb\u8def\u5716 LED \u96fb\u8def\u5716 4×…<\/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":"
\u8a2d\u5099\u8207\u6750\u6599 \u500b\u4eba\u96fb\u8166 \u00d7 1arduino Uno \u00d7 1\u9eb5\u5305\u677f \u00d7 1LED \u00d7 84×4\u6309\u9375 \u00d7 19pin A\u578b 331\u6392\u963b \u00d7 1\u9023\u63a5\u7dda \u82e5\u5e72 \u96fb\u8def\u5716 LED \u96fb\u8def\u5716 4×…<\/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\/717","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=717"}],"version-history":[{"count":13,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/717\/revisions"}],"predecessor-version":[{"id":2435,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/717\/revisions\/2435"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}