{"id":2624,"date":"2019-12-20T11:02:24","date_gmt":"2019-12-20T02:02:24","guid":{"rendered":"http:\/\/androiphone.uvs.jp\/?p=2624"},"modified":"2020-05-14T11:41:45","modified_gmt":"2020-05-14T02:41:45","slug":"%e3%83%a9%e3%82%ba%e3%83%91%e3%82%a4-ws2812b-led%e3%83%86%e3%83%bc%e3%83%97neopixel-rgb%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%8b","status":"publish","type":"post","link":"https:\/\/androiphone.uvs.jp\/?p=2624","title":{"rendered":"[\u30e9\u30ba\u30d1\u30a4] WS2812B LED\u30c6\u30fc\u30d7(NeoPixel RGB)\u3092\u4f7f\u3063\u3066\u307f\u308b"},"content":{"rendered":"<p>\u3055\u3066\u3001\u30af\u30ea\u30b9\u30de\u30b9\u3082\u8fd1\u3065\u304d\u3001\u7a93\u306b\u6f14\u51fa\u3059\u308b\u30a4\u30eb\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3092LED\u30c6\u30fc\u30d7\u3092\u63a2\u3057\u3066\u3044\u305f\u3089\u3001NeoPixel\u306a\u308b\u3082\u306e\u3092\u767a\u898b\u3002\u3053\u308c\u306f\u30011\u3064\u306e\u30e9\u30a4\u30f3\u3067\u5927\u91cf\u306e\u30d5\u30eb\u30ab\u30e9\u30fcLED\u3092\u5236\u5fa1\u3067\u304d\u308b\u4ee3\u7269\u3089\u3057\u304f\u3001\u30ea\u30f3\u30b0LED\u3001\u30c6\u30fc\u30d7LED\u3001\u30d1\u30cd\u30ebLED\u306a\u3069\u8272\u3005\u306a\u3082\u306e\u304c\u767a\u58f2\u3055\u308c\u3066\u3044\u308b<\/p>\n<p><iframe style=\"width: 120px; height: 240px;\" src=\"https:\/\/rcm-fe.amazon-adsystem.com\/e\/cm?ref=qf_sp_asin_til&amp;t=dinagon-22&amp;m=amazon&amp;o=9&amp;p=8&amp;l=as1&amp;IS1=1&amp;detail=1&amp;asins=B01MYT6JH9&amp;linkId=6790bb8b1485b6f08ff8f243cdeeb952&amp;bc1=000000&amp;lt1=_blank&amp;fc1=333333&amp;lc1=0066c0&amp;bg1=ffffff&amp;f=ifr\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><br \/>\n<\/iframe><iframe style=\"width: 120px; height: 240px;\" src=\"https:\/\/rcm-fe.amazon-adsystem.com\/e\/cm?ref=qf_sp_asin_til&amp;t=dinagon-22&amp;m=amazon&amp;o=9&amp;p=8&amp;l=as1&amp;IS1=1&amp;detail=1&amp;asins=B07926DQWQ&amp;linkId=e2ef17c3d4b8732c98f84bcac022d9b6&amp;bc1=000000&amp;lt1=_blank&amp;fc1=333333&amp;lc1=0066c0&amp;bg1=ffffff&amp;f=ifr\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><br \/>\n<\/iframe><iframe style=\"width: 120px; height: 240px;\" src=\"https:\/\/rcm-fe.amazon-adsystem.com\/e\/cm?ref=qf_sp_asin_til&amp;t=dinagon-22&amp;m=amazon&amp;o=9&amp;p=8&amp;l=as1&amp;IS1=1&amp;detail=1&amp;asins=B07KS832SQ&amp;linkId=52b2263de266fb6af072ab64547620ea&amp;bc1=000000&amp;lt1=_blank&amp;fc1=333333&amp;lc1=0066c0&amp;bg1=ffffff&amp;f=ifr\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><br \/>\n<\/iframe><\/p>\n<p>\u3051\u3063\u3053\u3046\u30e1\u30b8\u30e3\u30fc\u306a\u88fd\u54c1\u3089\u3057\u3044\u3002NeoPixel\u306fRaspberry Pi\u3067\u3082\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u3060\u3002\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u63a2\u3059\u3068<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/learn.adafruit.com\/neopixels-on-raspberry-pi\/python-usage\" data-lkc-id=\"549\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-favicon\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.google.com\/s2\/favicons?domain=learn.adafruit.com\" alt=\"\" width=\"16\" height=\"16\" \/><\/div><div class=\"lkc-domain\">Adafruit Learning System<\/div><div class=\"lkc-share\"> <div class=\"lkc-sns-po\">34 Pockets<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img decoding=\"async\" class=\"lkc-thumbnail-img\" src=\"\/\/androiphone.uvs.jp\/wp-content\/uploads\/pz-linkcard\/cache\/47c57af7d7610526d15bde2e2348b7aa063c3335c1c72f4ad718f98e4f660cc8.jpeg\" width=\"100px\" height=\"108px\" alt=\"\" \/><\/figure><div class=\"lkc-title\">NeoPixels on Raspberry Pi<\/div><div class=\"lkc-url\" title=\"https:\/\/learn.adafruit.com\/neopixels-on-raspberry-pi\/python-usage\">https:\/\/learn.adafruit.com\/neopixels-on-raspberry-pi\/python-usage<\/div><div class=\"lkc-excerpt\">Learn how to install and use a Python library that lets you control NeoPixel\/WS281x LEDs connected directly to a Raspberry Pi.  No microcontroller needed!<\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/github.com\/adafruit\/Adafruit_CircuitPython_NeoPixel\" data-lkc-id=\"550\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-favicon\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.google.com\/s2\/favicons?domain=github.com\" alt=\"\" width=\"16\" height=\"16\" \/><\/div><div class=\"lkc-domain\">GitHub<\/div><div class=\"lkc-share\"> <div class=\"lkc-sns-po\">12 Pockets<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img decoding=\"async\" class=\"lkc-thumbnail-img\" src=\"\/\/androiphone.uvs.jp\/wp-content\/uploads\/pz-linkcard\/cache\/ea35cd553b91b25617f83800c418afe7d5e0c3e325f4de8065136e394c2e5c4b.jpeg\" width=\"100px\" height=\"108px\" alt=\"\" \/><\/figure><div class=\"lkc-title\">GitHub - adafruit\/Adafruit_CircuitPython_NeoPixel: CircuitPython drivers for ...<\/div><div class=\"lkc-url\" title=\"https:\/\/github.com\/adafruit\/Adafruit_CircuitPython_NeoPixel\">https:\/\/github.com\/adafruit\/Adafruit_CircuitPython_NeoPixel<\/div><div class=\"lkc-excerpt\">CircuitPython drivers for neopixels. Contribute to adafruit\/Adafruit_CircuitPython_NeoPixel development by creating an account on GitHub.<\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<blockquote><p><strong><span style=\"font-size: 18pt;\">For NeoPixels to work on Raspberry Pi, you must run the code as root! Root access is required to access the RPi peripherals.<\/span><\/strong><\/p><\/blockquote>\n<p>\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6ce8\u610f\u306f\u4e0a\u306b\u3042\u308b\u3088\u3046\u306b\u3001<span style=\"color: #ff0000;\"><strong><span style=\"font-size: 18pt;\">RPi\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u3067sudo\u3067\u5b9f\u884c\u3055\u305b\u306a\u3044\u3068\u52d5\u304b\u306a\u3044<\/span><\/strong><\/span>\u3068\u3044\u3046\u3053\u3068\u3002\u30e9\u30ba\u30d1\u30a4\u3068\u306e\u63a5\u7d9a\u306f\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3057\u305f\u3051\u3069\u30013.3V\u3060\u3068\u3001\u3069\u3046\u8003\u3048\u3066\u3082\u96fb\u6d41\u30aa\u30fc\u30d0\u30fc\u30675V\u306b\u3064\u306a\u3052\u305f\u3002<strong><span style=\"font-size: 18pt; color: #0000ff;\">5V\u3059\u3089\u96fb\u6d41\u304c\u8db3\u308a\u308b\u306e\u304b\u3001\u3061\u3087\u3063\u3068\u602a\u3057\u3044<\/span><\/strong>\u3001\u5f8c\u3067\u5b9f\u6e2c\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3046\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-external-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/blog.boochow.com\/article\/454815988.html\" data-lkc-id=\"552\" target=\"_blank\" rel=\"external noopener\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-favicon\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.google.com\/s2\/favicons?domain=blog.boochow.com\" alt=\"\" width=\"16\" height=\"16\" \/><\/div><div class=\"lkc-domain\">\u697d\u3057\u304f\u3084\u308d\u3046\u3002<\/div><div class=\"lkc-share\"> <div class=\"lkc-sns-hb\">1 User<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img decoding=\"async\" class=\"lkc-thumbnail-img\" src=\"\/\/androiphone.uvs.jp\/wp-content\/uploads\/pz-linkcard\/cache\/37c7428acf66ccaff2d7261deeac3cb98a78a1876fd4465c2118cbb32f4acde1.jpeg\" width=\"100px\" height=\"108px\" alt=\"\" \/><\/figure><div class=\"lkc-title\">MicroPython\u306eNeoPixel\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u3066\u307f\u305f<\/div><div class=\"lkc-url\" title=\"https:\/\/blog.boochow.com\/article\/454815988.html\">https:\/\/blog.boochow.com\/article\/454815988.html<\/div><div class=\"lkc-excerpt\">ESP32\u7528MicroPython\u3067\u306f\u3001\u96fb\u5b50\u5de5\u4f5c\u3067\u8fd1\u5e74\u4eba\u6c17\u306e\u300cNeoPixel\u300d\u3092\u5236\u5fa1\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002NeoPixel\u306fRGB LED\u3068\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u7528IC\u3092\u4e00\u4f53\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u30021\u672c\u306e\u4fe1\u53f7\u7dda\u3067\u5236\u5fa1\u3057\u3001\u6570\u73e0<\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<p>GPIO18\u306b\u4fe1\u53f7\u30e9\u30a4\u30f3\u3092\u3064\u306a\u3050\u300210\u300112\u300118\u300121\u306eGPIO\u306e\u3044\u305a\u308c\u304b\u3058\u3083\u306a\u3051\u308c\u3070\u30c0\u30e1\u3068\u306e\u3053\u3068(\u591a\u5206\u30cf\u30fc\u30c9\u30a6\u30a8\u30a2PWM\uff1f)\u3002\u30ed\u30b8\u30c3\u30af\u30ec\u30d9\u30eb\u306f3.3V\u306a\u306e\u30675V\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306b\u3001\u3044\u3064\u3082\u901a\u308a\u30ed\u30b8\u30c3\u30af\u30ec\u30d9\u30eb\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3092\u7d4c\u7531\u3055\u305b\u308b\u3002\u3061\u306a\u307f\u306b5V\u306e\u307e\u307eGPIO\u306b\u63a5\u7d9a\u3059\u308b(\u307b\u3093\u3068\u306f\u30c0\u30e1\uff01)\u3068\u4e00\u5fdc\u306f\u70b9\u706f\u306f\u3059\u308b\u304c\u3001\u7aef\u306eLED\u306e\u6319\u52d5\u304c\u3042\u304d\u3089\u304b\u306b\u304a\u304b\u3057\u304b\u3063\u305f\u3002\u30ed\u30b8\u30c3\u30af\u30ec\u30d9\u30eb\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3092\u631f\u3080\u3068\u3001\u305d\u306e\u75c7\u72b6\u306f\u6d88\u3048\u305f\u305f\u3081\u30ec\u30d9\u30eb\u5909\u63db\u306f\u3061\u3083\u3093\u3068\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u3002\u30ed\u30b8\u30c3\u30af\u30ec\u30d9\u30eb\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u306f\u4e0b\u306e\u8a18\u4e8b\u306b\u3082\u51fa\u3067\u6765\u308b\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u307b\u3057\u3044\u3002<\/p>\n<div class=\"linkcard\"><div class=\"lkc-internal-wrap\"><a class=\"lkc-link no_icon\" href=\"https:\/\/androiphone.uvs.jp\/?p=2366\" data-lkc-id=\"553\"><div class=\"lkc-card\"><div class=\"lkc-info\"><div class=\"lkc-favicon\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.google.com\/s2\/favicons?domain=androiphone.uvs.jp\" alt=\"\" width=\"16\" height=\"16\" \/><\/div><div class=\"lkc-domain\">ANDROIPHONE<\/div><div class=\"lkc-share\"> <div class=\"lkc-sns-po\">1 Pocket<\/div><\/div><\/div><div class=\"lkc-content\"><figure class=\"lkc-thumbnail\"><img decoding=\"async\" class=\"lkc-thumbnail-img\" src=\"\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/11\/img_0653-150x150.jpg\" width=\"100px\" height=\"108px\" alt=\"\" \/><\/figure><div class=\"lkc-title\">[\u30e9\u30ba\u30d1\u30a4] LCD1602\u3092I2C\u63a5\u7d9a\u3057\u65e5\u672c\u8a9e(\u30ab\u30ca)\u3092\u8868\u793a\u3055\u305b\u308b<\/div><div class=\"lkc-date\">&#x1f552;&#xfe0f;2019\u5e7411\u67082\u65e5<\/div><div class=\"lkc-excerpt\">\u3000\u6700\u8fd1\u3001\u6ce8\u6587\u3057\u305f\u90e8\u54c1\u304c\u7acb\u3066\u7d9a\u3051\u306b\u5c4a\u304d\u59cb\u3081\u305f\u304b\u306a\u3002\u305f\u3076\u3093\u5373\u4f4d\u793c\u6b63\u6bbf\u306e\u5100\u304c\u7d42\u308f\u3063\u3066\u3001\u7a0e\u95a2\u306e\u6d41\u308c\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u3063\u305f\u305b\u3044\u304b\u306a\u3068\u52dd\u624b\u306b\u601d\u3063\u3066\u308bw\u3002\u3000\u4e0a\u306e\u30ad\u30c3\u30c8\u306b\u306fLCD1602(LED\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u4ed8\u2026\u5f8c\u304b\u3089\u77e5\u3063\u305f)\u304c\u5165\u3063\u3066\u3044\u308b\u3002\u3000\u5358\u54c1\u8cfc\u5165\u3060\u3068\u3053\u306e\u3042\u305f\u308a\u3068\u601d\u3046\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u5546\u54c1\u3001I2C\u306b\u3064\u306a\u3052\u308b\u305f\u3081\u306e\u30b7\u30ea\u30a2\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u3064\u3044\u3066\u3044\u306a\u3044\u3002I2C\u3067\u306a\u304f\u3066\u3082\u3064\u306a\u3052\u308b\u3053\u3068\u306f\u3067\u304d\u308b\u3051\u3069\u3001\u4f55\u304b\u3001\u7d50\u69cb\u5927\u5909\u305d\u3046\u3060\u3057\u3001\u3044\u304b\u3093\u305b\u3093\u60c5\u5831\u304c\u53e4\u3044\u3002\u3084\u3063\u3071\u3057I2C\u3067\u3064\u306a\u3052\u305f\u3044\u3002\u3000I2C\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30dc\u30fc\u30c9\u3092\u5225\u9014\u8cfc\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3002\u5b89\u3044\u3084\u3064\u306f\u3001\u4e2d...<\/div><\/div><div class=\"clear\"><\/div><\/div><\/a><\/div><\/div>\n<p>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u3061\u3087\u3053\u3063\u3068\u3044\u3058\u3063\u3066\u3001\u958b\u59cb\u6642\u9593\u3068\u7d42\u4e86\u6642\u9593\u6307\u5b9a\u3067\u30ec\u30a4\u30f3\u30dc\u30fc\u70b9\u706f\u3055\u305b\u308b\u3088\u3046\u306b\u3057\u305f\u3002\u305d\u308c\u4ee5\u5916\u306f\u6d88\u706f\u3055\u305b\u3066\u3044\u308b\u3002<\/p>\n<pre class=\"lang:python decode:true\"># Simple test for NeoPixels on Raspberry Pi\r\nimport time\r\nimport board\r\nimport neopixel\r\nimport datetime\r\n\r\n\r\n# Choose an open pin connected to the Data In of the NeoPixel strip, i.e. board.D18\r\n# NeoPixels must be connected to D10, D12, D18 or D21 to work.\r\npixel_pin = board.D18\r\n\r\n# The number of NeoPixels\r\nnum_pixels = 144\r\n\r\n# The order of the pixel colors - RGB or GRB. Some NeoPixels have red and green reversed!\r\n# For RGBW NeoPixels, simply change the ORDER to RGBW or GRBW.\r\nORDER = neopixel.GRB\r\n\r\npixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.5, auto_write=False,\r\n                           pixel_order=ORDER)\r\n\r\n\r\ndef wheel(pos):\r\n    # Input a value 0 to 255 to get a color value.\r\n    # The colours are a transition r - g - b - back to r.\r\n    if pos &lt; 0 or pos &gt; 255:\r\n        r = g = b = 0\r\n    elif pos &lt; 85:\r\n        r = int(pos * 3)\r\n        g = int(255 - pos*3)\r\n        b = 0\r\n    elif pos &lt; 170:\r\n        pos -= 85\r\n        r = int(255 - pos*3)\r\n        g = 0\r\n        b = int(pos*3)\r\n    else:\r\n        pos -= 170\r\n        r = 0\r\n        g = int(pos*3)\r\n        b = int(255 - pos*3)\r\n    return (r, g, b) if ORDER == neopixel.RGB or ORDER == neopixel.GRB else (r, g, b, 0)\r\n\r\n\r\ndef rainbow_cycle(wait):\r\n    for j in range(255):\r\n        for i in range(num_pixels):\r\n            pixel_index = (i * 256 \/\/ num_pixels) + j\r\n            pixels[i] = wheel(pixel_index &amp; 255)\r\n        pixels.show()\r\n        time.sleep(wait)\r\n        \r\ndef clear_pix():\r\n    for i in range(num_pixels):\r\n        pixels[i] =(0,0,0)\r\n    pixels.show()\r\n\r\ndef bright_pixs(wait):\r\n    for j in range(255):\r\n        for i in range(num_pixels):\r\n            pixels[i] =(j,j,j)\r\n        pixels.show()\r\n        time.sleep(wait)\r\n        \r\n    for j in range(255):\r\n        for i in range(num_pixels):\r\n            pixels[i] =(255-j,255-j,255-j)\r\n        pixels.show()\r\n        time.sleep(wait)\r\n        \r\n        \r\ndef time_in_range(start, end, x):\r\n    \"\"\"Return true if x is in the range [start, end]\"\"\"\r\n    if start &lt;= end:\r\n        return start &lt;= x &lt;= end\r\n    else:\r\n        return start &lt;= x or x &lt;= end\r\n\r\n\r\nstart_time = datetime.time(16,30, 0)\r\nend_time   = datetime.time(23,59, 0)\r\n\r\ntry:\r\n\r\n    while True:\r\n        \r\n        dt_now = datetime.datetime.now().time()\r\n        \r\n        if time_in_range(start_time, end_time, dt_now):\r\n            print(\"{0:%H:%M:%S} Lighting!!\".format(dt_now))\r\n            rainbow_cycle(0.0)    # rainbow cycle with 1ms delay per step\r\n        else:\r\n            print(\"{0:%H:%M:%S} Out Of Time\".format(dt_now))\r\n            clear_pix()\r\n            time.sleep(60)\r\n\r\nexcept KeyboardInterrupt:\r\n    \r\n    clear_pix()\r\n    print(\"Finish\")<\/pre>\n<p><a href=\"https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2767\" src=\"https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-300x225.jpg 300w, https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-1024x768.jpg 1024w, https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-768x576.jpg 768w, https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-1536x1152.jpg 1536w, https:\/\/androiphone.uvs.jp\/wp-content\/uploads\/2019\/12\/img_0883-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u5b9f\u969b\u3001\u30e9\u30ba\u30d1\u30a4zero\u3067\u3053\u306e\u30b3\u30fc\u30c9\u3092\u52d5\u304b\u3057\u3066\u307f\u305f\u3051\u3069\u3001\u3069\u3046\u3082\u30de\u30b7\u30f3\u306e\u30d1\u30ef\u30fc\u306b\u3088\u308b\u3068\u3053\u308d\u304c\u5927\u304d\u304f\u3001\u3061\u3087\u3063\u3068\u8ca0\u8377\u3092\u304b\u3051\u308b\u3068\u52d5\u304d\u304c\u920d\u308b\u3002<\/p>\n<p>\u7d50\u69cb\u660e\u308b\u3044\u3051\u3069\u3001\u96fb\u6d41\u91cf\u306f\u5927\u4e08\u592b\u306a\u306e\u304b\u3061\u3087\u3063\u3068\u4e0d\u5b89\u3002\u4e00\u5fdc\u8a08\u6e2c\u3057\u3066\u307f\u305f\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/arfu_s4NTSQ\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<blockquote><p><span style=\"font-size: 24pt;\"><strong><span style=\"color: #ff6600;\">\u3061\u3087\u3063\u3068\u3057\u305f\u30d1\u30ea\u30d4\u611f\u304c\u30fb\u30fb\u30fb\uff57<\/span><\/strong><\/span><\/p><\/blockquote>\n<p>\u3068\u308a\u3042\u3048\u305a\u3001900mA\u7a0b\u5ea6\u304b\u306a\u3041\u3068\u601d\u3046\u3002\u3061\u306a\u307f\u306b brightness=0.5\u3068\u306a\u3063\u3066\u308b\u3051\u3069\u3001\u3053\u308c\u3092\u660e\u308b\u304f\u3059\u308b\u3068\u5f53\u7136\u3001\u96fb\u6d41\u91cf\u3082\u5897\u3048\u308b\u3002\u3061\u306a\u307f\u306b\u5b9f\u969b1200mA\u306710\u5206\u3050\u3089\u3044\u3084\u3063\u3066\u307f\u305f\u304c\u3001\u7279\u306b\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3059\u308b\u3068\u304b\u304a\u304b\u3057\u304f\u306a\u308b\u3088\u3046\u306a\u611f\u3058\u306f\u306a\u304b\u3063\u305f\u3002\u30e9\u30ba\u30d1\u30a4\u306e5Vpin\u306e\u30c8\u30fc\u30bf\u30eb\u96fb\u6d41\u306f500mA\u3060\u3068\u304b750mA\u3060\u3068\u304b\u8272\u3005\u306a\u3053\u3068\u3092\u66f8\u3044\u3066\u3042\u308b\u30b5\u30a4\u30c8\u304c\u591a\u304f\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u30025Vpin\u306f\u5165\u529b\u96fb\u6e90\u306b\u76f4\u7d50\u3055\u308c\u3066\u308b\u307f\u305f\u3044\u306a\u306e\u3067AC\u30a2\u30c0\u30d7\u30bf\u3084USB\u30a2\u30c0\u30d7\u30bf\u306e\u51fa\u529b\u304c\u5341\u5206\u3067\u3042\u308c\u3070\u5927\u4e08\u592b\u306a\u306e\u304b\u306a\u3002\u3067\u3082\u3084\u3063\u3071\u308a\u3001\u5225\u96fb\u6e90\u3092\u7528\u610f\u3057\u3066\u3084\u3063\u305f\u307b\u3046\u304c\u30a4\u30a4\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<p>\u4eba\u67f1\u7684\u306a\u5b9f\u9a13\u30671A\u51fa\u529bUSB\u3068piZero\u3068LED\u30c6\u30fc\u30d7\u3067\u3057\u3070\u3089\u304f\u70b9\u706f\u3055\u305b\u3066\u307f\u305f\u3051\u3069\u3001\u3068\u304f\u306b\u554f\u984c\u306a\u304f\u52d5\u3044\u3066\u308b\u69d8\u5b50\u3002\u3067\u30821A\u306eUSB\u30a2\u30c0\u30d7\u30bf\u306f\u70b9\u706f\u3059\u308b\u3068\u5c11\u3057\u71b1\u3092\u6301\u3064(40-50\u5ea6\u304f\u3089\u3044\uff1f)\u306e\u3067\u3001\u305d\u308c\u306a\u308a\u306b\u96fb\u6d41\u91cf\u306f\u3042\u308b\u3068\u601d\u3046\u3002<\/p>\n<p>\u5f8c\u65e5\u3001\u30ec\u30a4\u30f3\u30dc\u30fc\u306e\u611f\u3058\u304c\u3069\u3046\u3082\u30ce\u30ed\u3044\u306e\u3067\u65e9\u304f\u3059\u308b\u305f\u3081\u306b\u3001rainbow_cycle\u95a2\u6570\u3092\u4e0b\u306e\u30b3\u30fc\u30c9\u306b\u6539\u5909\u3002<\/p>\n<pre class=\"lang:python decode:true\">def rainbow_cycle(wait):\r\n    for j in range(0,255,5):\r\n        for i in range(num_pixels):\r\n            pixel_index = (i * 256 \/\/ num_pixels) + j\r\n            pixels[i] = wheel(pixel_index &amp; 255)\r\n        pixels.show()\r\n        time.sleep(wait)<\/pre>\n<p>5\u500b\u98db\u3070\u3057\u3067for\u30eb\u30fc\u30d7\u3092\u65e9\u304f\u56de\u3059\u3053\u3068\u3067\u30ec\u30a4\u30f3\u30dc\u30fc\u3092\u65e9\u304f\u3055\u305b\u3066\u307f\u305f\u3002\u3067\u3082\u7ba1\u7406\u8005\u6a29\u9650\u3067\u5b9f\u884c\u3057\u306a\u3044\u3068\u30c0\u30e1<del><span style=\"font-size: 18pt; color: #000000;\">\u306a\u306e\u3067\u3044\u3061\u3044\u3061\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u5b9f\u884c\u3059\u308b\u306e\u3081\u3093\u3069\u304f\u3055\u3044\u30fb\u30fb\u30fb<\/span><\/del>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3055\u3066\u3001\u30af\u30ea\u30b9\u30de\u30b9\u3082\u8fd1\u3065\u304d\u3001\u7a93\u306b\u6f14\u51fa\u3059\u308b\u30a4\u30eb\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3092LED\u30c6\u30fc\u30d7\u3092\u63a2\u3057\u3066\u3044\u305f\u3089\u3001NeoPixel\u306a\u308b\u3082\u306e\u3092\u767a\u898b\u3002\u3053\u308c\u306f\u30011\u3064\u306e\u30e9\u30a4\u30f3\u3067\u5927\u91cf\u306e\u30d5\u30eb\u30ab\u30e9\u30fcLED\u3092\u5236\u5fa1\u3067\u304d\u308b\u4ee3\u7269\u3089\u3057\u304f\u3001\u30ea\u30f3\u30b0LED\u3001\u30c6\u30fc\u30d7LED\u3001\u30d1\u30cd\u30ebL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2767,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"","_original_post":"","footnotes":""},"categories":[56,78],"tags":[],"class_list":["post-2624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi","category-ws2812b-ledneopixel-rgb","ja"],"_links":{"self":[{"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/posts\/2624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2624"}],"version-history":[{"count":10,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/posts\/2624\/revisions"}],"predecessor-version":[{"id":3142,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/posts\/2624\/revisions\/3142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=\/wp\/v2\/media\/2767"}],"wp:attachment":[{"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/androiphone.uvs.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}