{"id":2483,"date":"2023-08-03T21:13:30","date_gmt":"2023-08-03T13:13:30","guid":{"rendered":"https:\/\/104.es\/?p=2483"},"modified":"2023-08-03T21:13:48","modified_gmt":"2023-08-03T13:13:48","slug":"microbitmicropython-onboard-led","status":"publish","type":"post","link":"https:\/\/104.es\/index.php\/2023\/08\/03\/microbitmicropython-onboard-led\/","title":{"rendered":"\u3010micro:bit\u3011MicroPython\u64cd\u4f5c\u6bcf\u4e00\u9846LED"},"content":{"rendered":"\n

\u5728\u524d\u9762\u7684\u55ae\u5143\u4e2d\u8aaa\u660e\u7684\u662f\u5728LED\u77e9\u9663\u4e0a\u986f\u793a\u6587\u5b57\u4ee5\u53ca\u5716\u6848\uff0c\u5728\u9019\u4e00\u55ae\u5143\u4e2d\u6211\u5011\u5c31\u4f86\u4ee5\u55ae\u4e00\u9846LED\u70ba\u55ae\u4f4d\u4f86\u64cd\u4f5c\u500b\u5225LED\u7684\u986f\u793a\u8207\u4e0d\u986f\u793a\uff0c\u8b93LED\u7684\u61c9\u7528\u8b8a\u5f97\u66f4\u52a0\u5730\u591a\u5143\u548c\u6709\u8da3\u3002<\/p>\n\n\n\n

\u8f2a\u6d41\u9ede\u4eae\u6bcf\u4e00\u9846LED<\/a><\/h2>\n\n\n\n

micro:bit\u9664\u4e86\u53ef\u4ee5\u5229\u7528show\u548cscroll\u4f86\u64cd\u4f5cLED\u77e9\u9663\u4e4b\u5916\uff0c\u6bcf\u4e00\u500bLED\u4e5f\u90fd\u6709\u81ea\u5df1\u7684x, y\u5ea7\u6a19\uff0c\u900f\u904e\u9019\u4e9bx, y\u5ea7\u6a19\u5373\u53ef\u7368\u7acb\u5730\u64cd\u4f5c\u6bcf\u4e00\u9846LED\u7684\u4eae\u5ea6\uff0c\u800c\u64cd\u4f5c\u9019\u4e9b\u500b\u5225\u7684LED\u7684\u6307\u4ee4\u662fset_pixel\u51fd\u6578\u3002\u8acb\u7df4\u7fd2\u4ee5\u4e0b\u7684\u7a0b\u5f0f\uff1a<\/p>\n\n\n\n

from microbit import *\r\n\r\nfor x in range(5):\r\n    for y in range(5):\r\n        display.set_pixel(x, y, 9)\r\n        sleep(200)<\/code><\/pre>\n\n\n\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u4e2d\u6703\u5f9e\u5de6\u4e0a\u89d2\u7684LED\u958b\u59cb\uff0c\u7531\u4e0a\u800c\u4e0b\uff0c\u7531\u5de6\u800c\u53f3\u4f9d\u5e8f\u9ede\u4eae\u6bcf\u4e00\u9846LED\uff0c\u76f4\u5230\u9ede\u4eae\u5168\u90e8\u7684LED\u70ba\u6b62\u3002\u8acb\u518d\u7df4\u7fd2\u4ee5\u4e0b\u7684\u7a0b\u5f0f\uff0c\u6bd4\u8f03\u770b\u770b\u548c\u4e0a\u4e00\u500b\u7a0b\u5f0f\u57f7\u884c\u7d50\u679c\u6709\u4f55\u4e0d\u540c\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\nfor y in range(5):\r\n    for x in range(5):\r\n        display.set_pixel(x, y, 9)\r\n        sleep(200)<\/code><\/pre>\n\n\n\n
\u4ed4\u7d30\u89c0\u5bdf\u4e0a\u9762\u5169\u500b\u7a0b\u5f0f\u7684\u5dee\u7570\uff0c\u76f8\u4fe1\u540c\u5b78\u5011\u5c0d\u65bcLED\u77e9\u9663\u7684x, y\u5ea7\u6a19\u5c31\u80fd\u5920\u6709\u66f4\u52a0\u6e05\u695a\u7684\u7406\u89e3\u4e86\u3002\u90a3\u9ebc\uff0c\u63a5\u4e0b\u4f86\uff0c\u5982\u679c\u6211\u5011\u4e0d\u60f3\u8981\u586b\u6eff\u6574\u500bLED\u77e9\u9663\uff0c\u800c\u53ea\u662f\u60f3\u8b93\u90a3\u500bLED\u5728\u756b\u9762\u4e0a\u79fb\u52d5\u5462\uff1f\u7b54\u6848\u662f\u53ea\u8981\u9069\u6642\u5730\u52a0\u5165display.clear()\u6307\u4ee4\u6e05\u9664\u756b\u9762\u5373\u53ef\uff0c\u7a0b\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\nwhile True:\r\n    for x in range(5):\r\n        for y in range(5):\r\n            display.clear()\r\n            display.set_pixel(x, y, 9)\r\n            sleep(200)<\/code><\/pre>\n\n\n\n
\u70ba\u6bcf\u4e00\u9846LED\u7de8\u500b\u5225\u7684\u865f\u78bc<\/a><\/h2>\n\n\n\n
\u5982\u679c\u4e0d\u4f7f\u7528display.clear()\u7684\u8a71\uff0c\u70ba\u4e86\u6e05\u9664\u4e0a\u4e00\u500bLED\uff0c\u9700\u8981\u4f7f\u7528\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u4f86\u8a18\u9304\u4e0a\u4e00\u500bLED\u7684\u4f4d\u7f6e\uff0c\u70ba\u4e86\u907f\u514d\u8a18\u93042\u500b\u6578\u5b57\uff0c\u6211\u5011\u53ea\u4f7f\u75281\u500b\u6578\u5b57\u4f86\u4ee3\u66ff\u6bcf\u4e00\u500bLED\uff0c\u5be6\u969b\u8981\u986f\u793a\u6642\u518d\u9032\u884c\u6578\u5b57\u7684\u8f49\u63db\uff1a<\/p>\n\n\n\n
from microbit import *\r\ncounter, old = 0, 0\r\nwhile True:\r\n    x = old % 5\r\n    y = old \/\/ 5\r\n    display.set_pixel(x, y, 0)\r\n\r\n    x = counter % 5\r\n    y = counter \/\/ 5\r\n    display.set_pixel(x, y, 9)\r\n    sleep(200)\r\n    old = counter\r\n    counter = counter + 1\r\n    if counter > 24: \r\n        counter = 0<\/code><\/pre>\n\n\n\n
\u7a0b\u5f0f\u7684\u908f\u8f2f\u662f\u9019\u6a23\u7684\uff0c\u628aLED\u77e9\u9663\u7684\u6700\u5de6\u4e0a\u89d2\u90a3\u9846LED\u7de8\u865f\u70ba0\uff0c\u5b83\u7684\u53f3\u908a\u7684\u7de8\u865f\u662f1\uff0c\u518d\u4f86\u662f2\uff0c\u4e5f\u5c31\u662f\u7b2c\u4e00\u5217\uff08\u5176\u5be6\u662f\u7b2c0\u5217\uff09\u7684LED\u5206\u5225\u662f0\u52304\uff0c\u7b2c\u4e8c\u5217\uff08\u5176\u5be6\u5728\u5167\u90e8\u662f\u7b2c1\u5217\uff09\u70ba5\u52309\uff0c\u4f9d\u6b64\u985e\u63a8\u3002\u539f\u6709\u4ee5x, y\u5ea7\u6a19\u7de8\u865f\u7684LED\u5982\u4e0b\u5716\u6240\u793a\uff1a<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u6211\u5011\u4ee5\u55ae\u4e00\u6578\u5b57\u4f86\u7de8\u865f\u7684\u60c5\u5f62\u662f\u4ee5\u4e0b\u9019\u6a23\u7684\uff1a<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u5c0d\u7167\u5169\u8005\u4e4b\u9593\u7684\u5dee\u7570\uff0c\u610f\u601d\u662f\u5728\u7a0b\u5f0f\u5167\u90e8\u7de8\u865f4\u7684\u90a3\u9846LED\u5be6\u969b\u8981\u986f\u793a\u7684\u6642\u5019\u5176\u5ea7\u6a19\u662f(4, 0)\uff0c\u7de8\u865f5\u7684\u90a3\u9846\u5ea7\u6a19\u662f(1,1)\uff0c\u7de8\u865f24\u7684\u90a3\u9846\u662f(4, 4)\uff0c\u4f9d\u6b64\u985e\u63a8\u3002\u5047\u8a2d\u8981\u986f\u793a\u7de8\u865f\u662fn\u7684LED\uff0c\u5247(x, y)\u5ea7\u6a19\u8f49\u63db\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
x = n % 5\ny = n \/\/ 5<\/code><\/pre>\n\n\n\n
\u5176\u4e2d%\u662f\u53d6\u9918\u6578\uff0c\u800c\/\/\u5247\u662f\u53d6\u6574\u6578\u7684\u610f\u601d\u3002\u77ad\u89e3\u4e86\u4e0a\u8ff0\u7684\u539f\u7406\uff0c\u76f8\u4fe1\u540c\u5b78\u5011\u61c9\u8a72\u5c31\u53ef\u4ee5\u7406\u89e3\u4e0a\u8ff0\u7a0b\u5f0f\u7684\u908f\u8f2f\u4e86\u3002\u6211\u5011\u8a2d\u5b9a\u4e862\u500b\u8b8a\u6578\u5206\u5225\u662fcounter\u548cold\uff0c\u4e00\u958b\u59cb\u5169\u500b\u8b8a\u6578\u90fd\u8a2d\u70ba0\uff08\u7b2c2\u884c\uff09\uff0c\u6bcf\u4e00\u6b21\u8981\u986f\u793a\u65b0\u7684LED\u4e4b\u524d\u8981\u5148\u628a\u820a\u7684LED\u95dc\u9589\uff08\u7b2c6\u884c\uff09\uff0c\u5728\u986f\u793a\u4e86\u65b0\u7684LED\u4e4b\u5f8c\uff0c\u5c31\u628a\u65b0\u7684LED\u7de8\u865f\u8a18\u5728old\u8b8a\u6578\u4e4b\u4e2d\uff08\u7b2c12\u884c\uff09\uff0c\u4e4b\u5f8c\u518d\u65b0\u589ecounter\u7684\u5167\u5bb9\uff08\u7b2c13\u884c\uff09\u3002<\/p>\n\n\n\n
\u4e0d\u904e\u6bcf\u4e00\u6b21\u5728\u986f\u793aLED\u7684\u6642\u5019\u90fd\u8981\u9032\u884c\u4e00\u6b21\u8f49\u63db\uff08\u7b2c4\u884c\u5230\u7b2c5\u884c\u4ee5\u53ca\u7b2c8\u884c\u548c\u7b2c9\u884c\uff09\uff0c\u6bd4\u8f03\u65b9\u4fbf\u7684\u65b9\u6cd5\u662f\u8a2d\u8a08\u4e00\u500b\u526f\u7a0b\u5f0f\u4f86\u5c08\u5fc3\u505a\u9019\u4ef6\u4e8b\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\ndef setLED(number, value):\r\n    x = number % 5\r\n    y = number \/\/ 5\r\n    display.set_pixel(x, y, value)\r\n    \r\ncounter, old = 0, 0\r\nwhile True:\r\n    setLED(old, 0)\r\n    setLED(counter, 9)\r\n    sleep(200)\r\n    old = counter\r\n    counter = counter + 1\r\n    if counter > 24: \r\n        counter = 0<\/code><\/pre>\n\n\n\n
\u96d6\u7136\u7a0b\u5f0f\u7684\u884c\u6578\u770b\u8d77\u4f86\u5dee\u4e0d\u591a\uff0c\u4f46\u662f\u6709\u4e86\u9019\u500b\u526f\u7a0b\u5f0fsetLED(number, value)\uff0c\u5728\u4e3b\u7a0b\u5f0f\u7684\u908f\u8f2f\u5c31\u6703\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u6709\u4e86\u9019\u500b\u7de8\u865f\u7684\u65b9\u5f0f\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u7a0b\u5f0f\u8b93LED\u4f9d\u81ea\u8a02\u7684\u9806\u5e8f\u9ede\u4eae\uff0c\u4f8b\u5982\u8981\u5012\u904e\u4f86\u9ede\u4eae\uff08\u79fb\u52d5\uff09\u4e5f\u53ea\u8981\u505a\u4e9b\u5c0f\u6539\u8b8a\u5c31\u597d\u4e86\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\ndef setLED(number, value):\r\n    x = number % 5\r\n    y = number \/\/ 5\r\n    display.set_pixel(x, y, value)\r\n    \r\ncounter, old = 24, 24\r\nwhile True:\r\n    setLED(old, 0)\r\n    setLED(counter, 9)\r\n    sleep(200)\r\n    old = counter\r\n    counter = counter - 1\r\n    if counter < 0: \r\n        counter = 24<\/code><\/pre>\n\n\n\n
\u96fb \u5b50\u8f2a\u76e4<\/a><\/h2>\n\n\n\n
\u4ee5\u4e0b\u662f\u96fb\u5b50\u8f2a\u76e4\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\ndef setLED(number, value):\r\n    x = number % 5\r\n    y = number \/\/ 5\r\n    display.set_pixel(x, y, value)\r\n\r\nseq = [0, 1, 2, 3, 4, 9, 14, 19, 24, 23, 22, 21, 20, 15, 10, 5]\r\ncounter, old = 0, 0\r\nwhile True:\r\n    setLED(seq[old], 0)\r\n    setLED(seq[counter], 9)\r\n    sleep(100)\r\n    old = counter\r\n    counter = counter + 1\r\n    if counter >= len(seq): \r\n        counter = 0<\/code><\/pre>\n\n\n\n
\u4ee5\u4e0b\u662f\u6b63\u8f49\u52a0\u4e0a\u53cd\u8f49\u7684\u7a0b\u5f0f\u7bc4\u4f8b\uff0c\u4e0d\u540c\u65bc\u4e0a\u9762\u7a0b\u5f0f\uff0c\u9019\u6b21\u6211\u5011\u5229\u7528for\u8ff4\u5708\u7684\u65b9\u5f0f\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff1a<\/p>\n\n\n\n
from microbit import *\r\n\r\ndef setLED(number, value):\r\n    x = number % 5\r\n    y = number \/\/ 5\r\n    display.set_pixel(x, y, value)\r\n\r\nseq = [0, 1, 2, 3, 4, 9, 14, 19, 24, 23, 22, 21, 20, 15, 10, 5]\r\nold = seq[0]\r\nwhile True:\r\n    for counter in seq:\r\n        setLED(old, 0)\r\n        setLED(counter, 9)\r\n        sleep(100)\r\n        old = counter\r\n    for counter in reversed(seq):\r\n        setLED(old, 0)\r\n        setLED(counter, 9)\r\n        sleep(100)\r\n        old = counter<\/code><\/pre>\n\n\n\n
\u5176\u5be6\u4e0a\u9762\u9019\u500b\u7a0b\u5f0f\u7684\u5169\u500b\u5167\u8ff4\u5708\u7684\u5167\u5bb9\u5e7e\u4e4e\u662f\u4e00\u6a23\u7684\uff0c\u4f46\u662fold\u548ccounter\u9019\u5169\u500b\u8b8a\u6578\u6240\u4ee3\u8868\u7684\u610f\u7fa9\u662f\u4e0d\u4e00\u6a23\u7684\uff0c\u540c\u5b78\u5011\u53ef\u4ee5\u770b\u5f97\u51fa\u4f86\u55ce\uff1f<\/p>\n\n\n\n
\u900f\u904e\u4ee5\u4e0a\u7684\u63a7\u5236LED\u986f\u793a\u7684\u80fd\u529b\uff0c\u63a5\u4e0b\u4f86\u5c31\u53ef\u4ee5\u642d\u914d\u6309\u9215\u73a9\u96fb\u5b50\u8f2a\u76e4\u7684\u904a\u6232\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u524d\u9762\u7684\u55ae\u5143\u4e2d\u8aaa\u660e\u7684\u662f\u5728LED\u77e9\u9663\u4e0a\u986f\u793a\u6587\u5b57\u4ee5\u53ca\u5716\u6848\uff0c\u5728\u9019\u4e00\u55ae\u5143\u4e2d\u6211\u5011\u5c31\u4f86\u4ee5\u55ae\u4e00\u9846LED\u70ba\u55ae\u4f4d\u4f86\u64cd\u4f5c\u500b\u5225LED\u7684\u986f\u793a\u8207\u4e0d\u986f\u793a\uff0c\u8b93LED\u7684\u61c9\u7528\u8b8a\u5f97\u66f4\u52a0\u5730\u591a\u5143\u548c\u6709\u8da3\u3002<\/p>\n","protected":false},"author":1,"featured_media":2485,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11,15],"tags":[],"class_list":["post-2483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microbit","category-python"],"jetpack_featured_media_url":"https:\/\/104.es\/wp-content\/uploads\/2023\/08\/image-1.png","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2483","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=2483"}],"version-history":[{"count":2,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2483\/revisions"}],"predecessor-version":[{"id":2487,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/posts\/2483\/revisions\/2487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media\/2485"}],"wp:attachment":[{"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/media?parent=2483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/categories?post=2483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/104.es\/index.php\/wp-json\/wp\/v2\/tags?post=2483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}