{"id":731,"date":"2025-12-22T00:22:58","date_gmt":"2025-12-21T16:22:58","guid":{"rendered":"https:\/\/blog.xmb505.top\/?p=731"},"modified":"2025-12-22T00:22:59","modified_gmt":"2025-12-21T16:22:59","slug":"8x8led%e6%98%be%e7%a4%ba%e5%b1%8fmax7219%e9%a9%b1%e5%8a%a8%e8%bf%87%e7%a8%8b%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/blog.xmb505.top\/index.php\/2025\/12\/22\/8x8led%e6%98%be%e7%a4%ba%e5%b1%8fmax7219%e9%a9%b1%e5%8a%a8%e8%bf%87%e7%a8%8b%e6%80%bb%e7%bb%93\/","title":{"rendered":"8x8LED\u663e\u793a\u5c4fMAX7219\u9a71\u52a8\u8fc7\u7a0b\u603b\u7ed3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6982\u8ff0<\/h2>\n\n\n\n<p>\u672c\u6587\u6863\u603b\u7ed3\u4e86\u57fa\u4e8eUSB\u8f6cGPIO\u6a21\u5757\u63a7\u5236MAX7219\u82af\u7247\u9a71\u52a8\u76848x8LED\u70b9\u9635\u663e\u793a\u5c4f\u7684\u5b8c\u6574\u8fc7\u7a0b\u3002\u8be5\u5b9e\u73b0\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u534f\u8bae\uff0c\u4f7f\u7528GPIO\u5f15\u811a\u63a7\u5236LED\u70b9\u9635\u7684\u663e\u793a\u5185\u5bb9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u786c\u4ef6\u67b6\u6784<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u786c\u4ef6\u7ec4\u6210<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>USB\u8f6cGPIO\u6a21\u5757<\/strong>: BL-ENV-V1.3\uff0c\u63d0\u4f9b16\u4e2aGPIO\u5f15\u811a<\/li>\n\n\n\n<li><strong>MAX7219\u82af\u7247<\/strong>: \u4e13\u95e8\u7528\u4e8e\u9a71\u52a8LED\u70b9\u9635\u663e\u793a\u7684\u96c6\u6210\u7535\u8def<\/li>\n\n\n\n<li><strong>8x8LED\u70b9\u9635\u5c4f<\/strong>: 64\u4e2aLED\u7ec4\u6210\u7684\u663e\u793a\u77e9\u9635<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fde\u63a5\u65b9\u5f0f<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>MAX7219    \u2192    USB-GPIO\u6a21\u5757\nDIN (\u6570\u636e)  \u2192    GPIO\u5f15\u811a (\u53ef\u914d\u7f6e)\nCS  (\u7247\u9009)  \u2192    GPIO\u5f15\u811a (\u53ef\u914d\u7f6e)  \nCLK (\u65f6\u949f)  \u2192    GPIO\u5f15\u811a (\u53ef\u914d\u7f6e)\nVCC         \u2192    5V\u7535\u6e90\nGND         \u2192    \u5730\u7ebf<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u914d\u7f6e\u6587\u4ef6 (8x8led.ini)<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;led]\nio_din = 1     # \u6570\u636e\u5f15\u811a\nio_cs = 2      # \u7247\u9009\u5f15\u811a\nio_clk = 3     # \u65f6\u949f\u5f15\u811a<\/code><\/pre>\n\n\n<p>[usb2gpio]<\/p>\n\n\n\n<p>software_path = .\/usb2gpio.py  # \u63a7\u5236\u8f6f\u4ef6\u8def\u5f84\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f6f\u4ef6\u5b9e\u73b0\u539f\u7406<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. SPI\u534f\u8bae\u6a21\u62df<\/h3>\n\n\n\n<p>MAX7219\u4f7f\u7528SPI\u901a\u4fe1\u534f\u8bae\uff0c\u901a\u8fc7\u4e09\u4e2a\u4fe1\u53f7\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN (Data In)<\/strong>: \u4e32\u884c\u6570\u636e\u8f93\u5165<\/li>\n\n\n\n<li><strong>CLK (Clock)<\/strong>: \u65f6\u949f\u4fe1\u53f7\uff0c\u540c\u6b65\u6570\u636e\u4f20\u8f93<\/li>\n\n\n\n<li><strong>CS (Chip Select)<\/strong>: \u7247\u9009\u4fe1\u53f7\uff0c\u63a7\u5236\u901a\u4fe1\u5f00\u59cb\/\u7ed3\u675f<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6570\u636e\u4f20\u8f93\u65f6\u5e8f<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>CS\u62c9\u4f4e \u2192 \u53d1\u900116\u4f4d\u6570\u636e \u2192 CS\u62c9\u9ad8\n     \u2193\n\u6bcf\u4e00\u4f4d\u6570\u636e\u4f20\u8f93\uff1a\nDIN\u8bbe\u7f6e \u2192 CLK\u62c9\u9ad8 \u2192 CLK\u62c9\u4f4e \u2192 \u4e0b\u4e00\u4f4d<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u6838\u5fc3\u51fd\u6570\u5b9e\u73b0<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">3.1 \u4f4d\u53d1\u9001\u51fd\u6570<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>def send_bit(self, bit):\n    # \u8bbe\u7f6e\u6570\u636e\u7ebf\u72b6\u6001\n    subprocess.run(&#91;self.usb2gpio, 'set', str(self.din), str(bit), str(self.clk), '1'])\n    # \u65f6\u949f\u4e0a\u5347\u6cbf\n    subprocess.run(&#91;self.usb2gpio, 'set', str(self.clk), '0'])<\/code><\/pre>\n\n\n\n<p><strong>\u529f\u80fd<\/strong>: \u53d1\u9001\u5355\u4e2a\u6570\u636e\u4f4d\uff0c\u9075\u5faaSPI\u65f6\u5e8f\u8981\u6c42<\/p>\n\n\n\n<p><strong>\u65f6\u5e8f\u8bf4\u660e<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bbe\u7f6eDIN\u4e3a\u8981\u53d1\u9001\u7684\u4f4d\u503c\uff080\u62161\uff09<\/li>\n\n\n\n<li>CLK\u4ece\u4f4e\u7535\u5e73\u8df3\u5230\u9ad8\u7535\u5e73\uff08\u4e0a\u5347\u6cbf\uff09<\/li>\n\n\n\n<li>CLK\u4ece\u9ad8\u7535\u5e73\u56de\u5230\u4f4e\u7535\u5e73\uff0c\u5b8c\u6210\u4e00\u4f4d\u4f20\u8f93<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">3.2 \u5bc4\u5b58\u5668\u5199\u5165\u51fd\u6570<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>def send_register(self, address, data):\n    # \u7247\u9009\u6709\u6548\n    subprocess.run(&#91;self.usb2gpio, 'set', str(self.cs), '0'])\n\n    # \u53d1\u90018\u4f4d\u5730\u5740\uff08\u9ad8\u4f4d\u5728\u524d\uff09\n    for i in range(7, -1, -1):\n        bit = (address &gt;&gt; i) &amp; 1\n        self.send_bit(bit)\n\n    # \u53d1\u90018\u4f4d\u6570\u636e\uff08\u9ad8\u4f4d\u5728\u524d\uff09\n    for i in range(7, -1, -1):\n        bit = (data &gt;&gt; i) &amp; 1\n        self.send_bit(bit)\n\n    # \u7247\u9009\u65e0\u6548\n    subprocess.run(&#91;self.usb2gpio, 'set', str(self.cs), '1'])<\/code><\/pre>\n\n\n\n<p><strong>\u529f\u80fd<\/strong>: \u5411MAX7219\u5bc4\u5b58\u5668\u5199\u516516\u4f4d\u6570\u636e\uff088\u4f4d\u5730\u5740 + 8\u4f4d\u6570\u636e\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MAX7219\u5bc4\u5b58\u5668\u914d\u7f6e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u521d\u59cb\u5316\u5e8f\u5217<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def init_display(self):\n    self.send_register(0x0C, 0x01)  # \u5173\u95ed\u4f4e\u529f\u8017\u6a21\u5f0f\n    self.send_register(0x0B, 0x07)  # \u8bbe\u7f6e\u626b\u63cf\u6240\u67098\u884c\n    self.send_register(0x09, 0x00)  # \u4e0d\u4f7f\u7528\u8bd1\u7801\u6a21\u5f0f\n    self.send_register(0x0A, 0x0F)  # \u8bbe\u7f6e\u6700\u5927\u4eae\u5ea6\n    self.clear_display()            # \u6e05\u7a7a\u663e\u793a<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3b\u8981\u5bc4\u5b58\u5668\u8bf4\u660e<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5bc4\u5b58\u5668\u5730\u5740<\/th><th>\u529f\u80fd\u63cf\u8ff0<\/th><th>\u8bbe\u7f6e\u503c<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>0x0C<\/td><td>\u5173\u95ed\/\u5f00\u542f<\/td><td>0x01<\/td><td>\u5f00\u542f\u663e\u793a\uff0c\u9000\u51fa\u4f4e\u529f\u8017\u6a21\u5f0f<\/td><\/tr><tr><td>0x0B<\/td><td>\u626b\u63cf\u9650\u5236<\/td><td>0x07<\/td><td>\u626b\u63cf\u6240\u67098\u884c\uff080-7\uff09<\/td><\/tr><tr><td>0x09<\/td><td>\u8bd1\u7801\u6a21\u5f0f<\/td><td>0x00<\/td><td>\u4e0d\u4f7f\u7528BCD\u8bd1\u7801\uff0c\u76f4\u63a5\u63a7\u5236LED<\/td><\/tr><tr><td>0x0A<\/td><td>\u4eae\u5ea6\u63a7\u5236<\/td><td>0x0F<\/td><td>\u4eae\u5ea6\u7b49\u7ea715\uff08\u6700\u5927\u4eae\u5ea6\uff09<\/td><\/tr><tr><td>0x01-0x08<\/td><td>\u6570\u5b57\u5bc4\u5b58\u5668<\/td><td>0x00-0xFF<\/td><td>\u5bf9\u5e94\u7b2c1-8\u884c\u7684\u663e\u793a\u6570\u636e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u663e\u793a\u6570\u636e\u683c\u5f0f<\/h3>\n\n\n\n<p>\u6bcf\u4e2a\u6570\u5b57\u5bc4\u5b58\u5668\u63a7\u5236\u4e00\u884c\u76848\u4e2aLED\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f4d7 \u4f4d6 \u4f4d5 \u4f4d4 \u4f4d3 \u4f4d2 \u4f4d1 \u4f4d0\n \u2193   \u2193   \u2193   \u2193   \u2193   \u2193   \u2193   \u2193\nD7  D6  D5  D4  D3  D2  D1  D0<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4d\u503c = 1\uff1a\u5bf9\u5e94LED\u70b9\u4eae<\/li>\n\n\n\n<li>\u4f4d\u503c = 0\uff1a\u5bf9\u5e94LED\u7184\u706d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u521d\u59cb\u5316\u663e\u793a\u5c4f<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>.\/8x8led.py init<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u8bbe\u7f6e\u5355\u884c\u50cf\u7d20<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>.\/8x8led.py set pixel &lt;\u884c\u53f7&gt; &lt;8\u4f4d\u4e8c\u8fdb\u5236&gt;<\/code><\/pre>\n\n\n\n<p><strong>\u793a\u4f8b<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7b2c1\u884c\u663e\u793a\u4e00\u4e2a\u70b9\uff08\u6700\u5de6\u8fb9\uff09\n.\/8x8led.py set pixel 1 10000000\n\n# \u7b2c8\u884c\u663e\u793a\u4e00\u4e2a\u70b9\uff08\u6700\u53f3\u8fb9\uff09\n.\/8x8led.py set pixel 8 00000001\n\n# \u663e\u793a\u7b11\u8138\u56fe\u6848\n.\/8x8led.py set pixel 1 00111100\n.\/8x8led.py set pixel 2 01000010\n.\/8x8led.py set pixel 3 10100101\n.\/8x8led.py set pixel 4 10000001\n.\/8x8led.py set pixel 5 10000001\n.\/8x8led.py set pixel 6 10100101\n.\/8x8led.py set pixel 7 01000010\n.\/8x8led.py set pixel 8 00111100<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8c03\u8282\u4eae\u5ea6<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>.\/8x8led.py set light &lt;\u4eae\u5ea6\u7b49\u7ea7&gt;<\/code><\/pre>\n\n\n\n<p><strong>\u4eae\u5ea6\u7b49\u7ea7<\/strong>: 0-15\uff080=\u6700\u6697\uff0c15=\u6700\u4eae\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6027\u80fd\u5206\u6790<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u65f6\u5e8f\u6027\u80fd<\/h3>\n\n\n\n<p>\u6839\u636e\u4ee3\u7801\u4e2d\u7684\u6027\u80fd\u6d4b\u8bd5\uff0c\u5355\u6b21GPIO\u64cd\u4f5c\u8017\u65f6\u7ea6\u51e0\u6beb\u79d2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>set din=X clk=1<\/code>: ~X.XXms<\/li>\n\n\n\n<li><code>set clk=0<\/code>: ~X.XXms<\/li>\n\n\n\n<li><code>set cs=X<\/code>: ~X.XXms<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5b8c\u6574\u5bc4\u5b58\u5668\u5199\u5165\u65f6\u95f4<\/h3>\n\n\n\n<p>\u6bcf\u6b21\u5bc4\u5b58\u5668\u5199\u5165\u9700\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\u6b21CS\u64cd\u4f5c\uff08\u62c9\u4f4e\uff09<\/li>\n\n\n\n<li>16\u6b21\u4f4d\u4f20\u8f93\uff088\u4f4d\u5730\u5740 + 8\u4f4d\u6570\u636e\uff09<\/li>\n\n\n\n<li>1\u6b21CS\u64cd\u4f5c\uff08\u62c9\u9ad8\uff09<\/li>\n\n\n\n<li>\u603b\u8ba1\uff1a\u7ea633\u6b21GPIO\u64cd\u4f5c<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4f18\u5316\u5efa\u8bae<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6279\u91cf\u64cd\u4f5c<\/strong>: \u5c06\u591a\u6b21\u5bc4\u5b58\u5668\u5199\u5165\u5408\u5e76\u4e3a\u4e00\u6b21\u64cd\u4f5c<\/li>\n\n\n\n<li><strong>\u786c\u4ef6SPI<\/strong>: \u5982\u6709\u6761\u4ef6\uff0c\u4f7f\u7528\u786c\u4ef6SPI\u63a5\u53e3\u53ef\u5927\u5e45\u63d0\u5347\u6027\u80fd<\/li>\n\n\n\n<li><strong>\u7f13\u5b58\u673a\u5236<\/strong>: \u5b9e\u73b0\u663e\u793a\u7f13\u5b58\uff0c\u53ea\u66f4\u65b0\u53d8\u5316\u7684\u884c<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u6545\u969c\u6392\u9664<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e38\u89c1\u95ee\u9898<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u95ee\u98981: \u663e\u793a\u65e0\u54cd\u5e94<\/h4>\n\n\n\n<p><strong>\u53ef\u80fd\u539f\u56e0<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GPIO\u5f15\u811a\u8fde\u63a5\u9519\u8bef<\/li>\n\n\n\n<li>USB-GPIO\u6a21\u5757\u672a\u6b63\u786e\u8fde\u63a5<\/li>\n\n\n\n<li>\u7535\u6e90\u4f9b\u7535\u4e0d\u8db3<\/li>\n<\/ul>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u67e58x8led.ini\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u5f15\u811a\u53f7<\/li>\n\n\n\n<li>\u786e\u8ba4USB-GPIO\u6a21\u5757\u4e0e\u7535\u8111\u8fde\u63a5\u6b63\u5e38<\/li>\n\n\n\n<li>\u68c0\u67e5MAX7219\u4f9b\u7535\u662f\u5426\u7a33\u5b9a<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u95ee\u98982: \u663e\u793a\u6df7\u4e71<\/h4>\n\n\n\n<p><strong>\u53ef\u80fd\u539f\u56e0<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPI\u65f6\u5e8f\u4e0d\u6b63\u786e<\/li>\n\n\n\n<li>\u6570\u636e\u4f20\u8f93\u9519\u8bef<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u914d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u67e5send_bit\u51fd\u6570\u7684\u65f6\u5e8f\u5b9e\u73b0<\/li>\n\n\n\n<li>\u9a8c\u8bc1\u4e8c\u8fdb\u5236\u6570\u636e\u683c\u5f0f\u662f\u5426\u6b63\u786e<\/li>\n\n\n\n<li>\u91cd\u65b0\u6267\u884c\u521d\u59cb\u5316\u5e8f\u5217<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u95ee\u98983: \u4eae\u5ea6\u4e0d\u8db3<\/h4>\n\n\n\n<p><strong>\u53ef\u80fd\u539f\u56e0<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eae\u5ea6\u5bc4\u5b58\u5668\u8bbe\u7f6e\u8fc7\u4f4e<\/li>\n\n\n\n<li>\u4f9b\u7535\u7535\u538b\u4e0d\u8db3<\/li>\n\n\n\n<li>LED\u9650\u6d41\u7535\u963b\u8fc7\u5927<\/li>\n<\/ul>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>set light<\/code>\u547d\u4ee4\u63d0\u9ad8\u4eae\u5ea6\u7b49\u7ea7<\/li>\n\n\n\n<li>\u68c0\u67e5\u4f9b\u7535\u7535\u538b\u662f\u5426\u4e3a5V<\/li>\n\n\n\n<li>\u786e\u8ba4\u786c\u4ef6\u7535\u8def\u4e2d\u7684\u9650\u6d41\u7535\u963b\u503c<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u8c03\u8bd5\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">2.1 \u9010\u6b65\u6d4b\u8bd5<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6d4b\u8bd5\u5355\u4e2aGPIO\n.\/usb2gpio.py set 1 1  # \u6d4b\u8bd5DIN\u5f15\u811a\n.\/usb2gpio.py set 2 1  # \u6d4b\u8bd5CS\u5f15\u811a  \n.\/usb2gpio.py set 3 1  # \u6d4b\u8bd5CLK\u5f15\u811a<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2.2 \u65f6\u5e8f\u9a8c\u8bc1<\/h4>\n\n\n\n<p>\u4f7f\u7528\u793a\u6ce2\u5668\u6216\u903b\u8f91\u5206\u6790\u4eea\u9a8c\u8bc1SPI\u65f6\u5e8f\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.3 \u5bc4\u5b58\u5668\u8bfb\u53d6<\/h4>\n\n\n\n<p>\u867d\u7136MAX7219\u4e0d\u652f\u6301\u76f4\u63a5\u8bfb\u53d6\u5bc4\u5b58\u5668\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u89c2\u5bdf\u663e\u793a\u6548\u679c\u9a8c\u8bc1\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6269\u5c55\u5e94\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u52a8\u753b\u6548\u679c<\/h3>\n\n\n\n<p>\u901a\u8fc7\u5feb\u901f\u66f4\u65b0\u663e\u793a\u5185\u5bb9\u5b9e\u73b0\u52a8\u753b\u6548\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def display_animation(frames, delay_ms):\n    for frame in frames:\n        for row, data in enumerate(frame, 1):\n            controller.set_pixel_row(row, format(data, '08b'))\n        time.sleep(delay_ms \/ 1000)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5b57\u7b26\u663e\u793a<\/h3>\n\n\n\n<p>\u5b9e\u73b0\u5b57\u7b26\u5e93\u548c\u5b57\u7b26\u4e32\u663e\u793a\u529f\u80fd\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CHARACTER_FONT = {\n    'A': &#91;0x18, 0x3C, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x00],\n    'B': &#91;0x7C, 0x66, 0x66, 0x7C, 0x66, 0x66, 0x7C, 0x00],\n    # ... \u66f4\u591a\u5b57\u7b26\n}\n\ndef display_character(char):\n    if char in CHARACTER_FONT:\n        for row, data in enumerate(CHARACTER_FONT&#91;char], 1):\n            controller.set_pixel_row(row, format(data, '08b'))<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u591a\u7ea7\u8054\u63a5<\/h3>\n\n\n\n<p>\u901a\u8fc7\u8fde\u63a5\u591a\u4e2aMAX7219\u82af\u7247\u5b9e\u73b0\u66f4\u5927\u7684\u663e\u793a\u533a\u57df\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06DOUT\u8fde\u63a5\u5230\u4e0b\u4e00\u4e2a\u82af\u7247\u7684DIN<\/li>\n\n\n\n<li>\u5171\u4eabCLK\u548cCS\u4fe1\u53f7<\/li>\n\n\n\n<li>\u8c03\u6574\u626b\u63cf\u9650\u5236\u5bc4\u5b58\u5668<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p>\u672c\u5b9e\u73b0\u901a\u8fc7\u8f6f\u4ef6\u6a21\u62dfSPI\u534f\u8bae\uff0c\u6210\u529f\u5b9e\u73b0\u4e86USB-GPIO\u6a21\u5757\u5bf98x8LED\u70b9\u9635\u663e\u793a\u5c4f\u7684\u63a7\u5236\u3002\u4e3b\u8981\u7279\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u786c\u4ef6\u7b80\u5355<\/strong>: \u53ea\u97003\u4e2aGPIO\u5f15\u811a\u5373\u53ef\u63a7\u5236\u6574\u4e2a\u663e\u793a\u5c4f<\/li>\n\n\n\n<li><strong>\u534f\u8bae\u6e05\u6670<\/strong>: \u4e25\u683c\u9075\u5faaSPI\u65f6\u5e8f\u8981\u6c42\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u53ef\u9760<\/li>\n\n\n\n<li><strong>\u529f\u80fd\u5b8c\u6574<\/strong>: \u652f\u6301\u4eae\u5ea6\u8c03\u8282\u3001\u5355\u70b9\u63a7\u5236\u3001\u56fe\u6848\u663e\u793a\u7b49\u57fa\u672c\u529f\u80fd<\/li>\n\n\n\n<li><strong>\u6269\u5c55\u6027\u5f3a<\/strong>: \u53ef\u8f7b\u677e\u6269\u5c55\u4e3a\u52a8\u753b\u3001\u5b57\u7b26\u663e\u793a\u7b49\u9ad8\u7ea7\u5e94\u7528<\/li>\n<\/ol>\n\n\n\n<p>\u867d\u7136\u8f6f\u4ef6SPI\u7684\u6027\u80fd\u4e0d\u5982\u786c\u4ef6SPI\uff0c\u4f46\u5bf9\u4e8e8x8LED\u8fd9\u79cd\u4f4e\u901f\u663e\u793a\u5e94\u7528\u5df2\u7ecf\u8db3\u591f\uff0c\u4e14\u5177\u6709\u66f4\u597d\u7684\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u6587\u6863\u7248\u672c<\/strong>: v1.0<br><strong>\u6700\u540e\u66f4\u65b0<\/strong>: 2025\u5e7412\u670822\u65e5<br><strong>\u9002\u7528\u786c\u4ef6<\/strong>: MAX7219 + 8x8LED\u70b9\u9635\u5c4f + USB-GPIO\u6a21\u5757<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 \u672c\u6587\u6863\u603b\u7ed3\u4e86\u57fa\u4e8eUSB\u8f6cGPIO\u6a21\u5757\u63a7\u5236MAX7219\u82af\u7247\u9a71\u52a8\u76848x8LED\u70b9\u9635\u663e\u793a\u5c4f\u7684\u5b8c\u6574\u8fc7\u7a0b\u3002\u8be5\u5b9e\u73b0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-731","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/posts\/731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/comments?post=731"}],"version-history":[{"count":1,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/posts\/731\/revisions"}],"predecessor-version":[{"id":732,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/posts\/731\/revisions\/732"}],"wp:attachment":[{"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/media?parent=731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/categories?post=731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.xmb505.top\/index.php\/wp-json\/wp\/v2\/tags?post=731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}