{"id":10021191,"date":"2026-01-14T11:04:01","date_gmt":"2026-01-14T03:04:01","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021191"},"modified":"2026-01-14T11:04:01","modified_gmt":"2026-01-14T03:04:01","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%89%e6%9e%81%e7%ae%a1%e7%9a%84%e5%9f%ba%e7%ba%a7%e5%92%8c%e5%8f%91%e5%b0%84%e6%9e%81%e8%a6%81%e5%b9%b6%e8%81%94%e4%b8%80%e4%b8%aa%e7%94%b5%e9%98%bb%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021191","title":{"rendered":"\u4e3a\u4ec0\u4e48\u4e09\u6781\u7ba1\u7684\u57fa\u7ea7\u548c\u53d1\u5c04\u6781\u8981\u5e76\u8054\u4e00\u4e2a\u7535\u963b\uff1f"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002<\/p>\n<p>\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u7528\u5230\u4e09\u6781\u7ba1\u4f5c\u4e3a\u5f00\u5173\u6216\u653e\u5927\u5668\u4ef6\u3002<\/p>\n<p>\u4e0d\u77e5\u9053\u5927\u5bb6\u6709\u6ca1\u6709\u6ce8\u610f\u5230\uff0c\u5728\u5f88\u591a\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u4e09\u6781\u7ba1\u7684\u57fa\u6781\uff08B\uff09\u548c\u53d1\u5c04\u6781\uff08E\uff09\u4e4b\u95f4\u4f1a\u5e76\u8054\u4e00\u4e2a\u7535\u963b\uff0c\u8fd9\u4e2a\u7535\u963b\u901a\u5e38\u5728\u51e0\u5343\u6b27\u5230\u51e0\u5341\u5343\u6b27\u4e4b\u95f4\u3002<\/p>\n<p>\u5f88\u591a\u521d\u5b66\u8005\u770b\u5230\u8fd9\u4e2a\u8bbe\u8ba1\u4f1a\u611f\u5230\u56f0\u60d1\uff1a\u4e3a\u4ec0\u4e48\u8981\u52a0\u8fd9\u4e2a\u7535\u963b\uff1f\u5b83\u5230\u5e95\u8d77\u4ec0\u4e48\u4f5c\u7528\uff1f\u4eca\u5929\u6211\u5c31\u6765\u8be6\u7ec6\u804a\u804a\u8fd9\u4e2a\u8bdd\u9898\u3002<\/p>\n<h2>1. 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class=\"c\">\/\/ GPIO\u914d\u7f6e\u4ee3\u7801\u793a\u4f8b\uff08STM32 HAL\u5e93\uff09\nvoid Relay_GPIO_Init(void)\n{\n    GPIO_InitTypeDef GPIO_InitStruct = {0};\n    \n    \/\/ \u4f7f\u80fdGPIOA\u65f6\u949f\n    __HAL_RCC_GPIOA_CLK_ENABLE();\n    \n    \/\/ \u914d\u7f6ePA5\u4e3a\u63a8\u633d\u8f93\u51fa\uff0c\u7528\u4e8e\u63a7\u5236\u4e09\u6781\u7ba1\u57fa\u6781\n    GPIO_InitStruct.Pin = GPIO_PIN_5;\n    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;\n    GPIO_InitStruct.Pull = GPIO_NOPULL;\n    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;\n    HAL_GPIO_Init(GPIOA, &amp;GPIO_InitStruct);\n    \n    \/\/ \u521d\u59cb\u5316\u4e3a\u4f4e\u7535\u5e73\uff0c\u786e\u4fdd\u7ee7\u7535\u5668\u5173\u95ed\n    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_RESET);\n}\n\n\/\/ \u63a7\u5236\u7ee7\u7535\u5668\u5f00\u5173\nvoid Relay_Control(uint8_t state)\n{\n    if(state == 1)\n    {\n        HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_SET);  \/\/ \u5bfc\u901a\u4e09\u6781\u7ba1\n    }\n    else\n    {\n        HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_RESET); \/\/ \u5173\u65ad\u4e09\u6781\u7ba1\n    }\n}<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u7535\u8def\u4e2d\uff0c\u5373\u4f7fSTM32\u7684GPIO\u5f15\u811a\u5904\u4e8e\u9ad8\u963b\u6001\uff08\u6bd4\u5982\u7cfb\u7edf\u590d\u4f4d\u671f\u95f4\uff09\uff0c\u57fa\u6781-\u53d1\u5c04\u6781\u4e4b\u95f4\u7684\u7535\u963b\u4e5f\u80fd\u786e\u4fdd\u4e09\u6781\u7ba1\u4e0d\u4f1a\u8bef\u5bfc\u901a\uff0c\u7ee7\u7535\u5668\u4fdd\u6301\u5173\u95ed\u72b6\u6001\u3002<\/p>\n<h3>1.2 \u9632\u6b62\u9759\u7535\u635f\u574f<\/h3>\n<p>\u4e09\u6781\u7ba1\u7684\u57fa\u6781-\u53d1\u5c04\u6781\u7ed3\u662f\u4e00\u4e2aPN\u7ed3\uff0c\u5176\u8010\u538b\u80fd\u529b\u76f8\u5bf9\u8f83\u5f31\uff0c\u901a\u5e38\u53ea\u6709\u51e0\u4f0f\u5230\u5341\u51e0\u4f0f\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9759\u7535\u653e\u7535\uff08ESD\uff09\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u5a01\u80c1\u3002<\/p>\n<p>\u4eba\u4f53\u9759\u7535\u53ef\u4ee5\u8fbe\u5230\u51e0\u5343\u4f0f\u751a\u81f3\u4e0a\u4e07\u4f0f\uff0c\u867d\u7136\u80fd\u91cf\u4e0d\u5927\uff0c\u4f46\u8db3\u4ee5\u51fb\u7a7f\u4e09\u6781\u7ba1\u7684BE\u7ed3\u3002<\/p>\n<p>\u57fa\u6781-\u53d1\u5c04\u6781\u4e4b\u95f4\u7684\u7535\u963b\u53ef\u4ee5\u4e3a\u9759\u7535\u63d0\u4f9b\u4e00\u4e2a\u6cc4\u653e\u901a\u8def\uff0c\u5c06\u9759\u7535\u80fd\u91cf\u901a\u8fc7\u7535\u963b\u6d88\u8017\u6389\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f5c\u7528\u5728\u8106\u5f31\u7684BE\u7ed3\u4e0a\u3002<\/p>\n<p>\u8fd9\u5c31\u50cf\u7ed9\u4e09\u6781\u7ba1\u52a0\u4e86\u4e00\u9053\u4fdd\u62a4\u5c4f\u969c\u3002<\/p>\n<p>\u5728\u6211\u4e4b\u524d\u505a\u7684\u4e00\u4e2a\u5de5\u4e1a\u63a7\u5236\u9879\u76ee\u4e2d\uff0c\u8bbe\u5907\u9700\u8981\u5728\u8f66\u95f4\u73af\u5883\u4e2d\u4f7f\u7528\uff0c\u9759\u7535\u95ee\u9898\u6bd4\u8f83\u7a81\u51fa\u3002<\/p>\n<p>\u6700\u521d\u7684\u8bbe\u8ba1\u6ca1\u6709\u52a0BE\u7535\u963b\uff0c\u7ed3\u679c\u5728\u51ac\u5929\u5e72\u71e5\u7684\u73af\u5883\u4e0b\uff0c\u7ecf\u5e38\u51fa\u73b0\u4e09\u6781\u7ba1\u635f\u574f\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u540e\u6765\u5728\u6240\u6709\u4e09\u6781\u7ba1\u7684BE\u4e4b\u95f4\u90fd\u52a0\u4e0a\u4e8610k\u03a9\u7684\u7535\u963b\uff0c\u95ee\u9898\u5c31\u57fa\u672c\u89e3\u51b3\u4e86\u3002<\/p>\n<h3>1.3 \u52a0\u901f\u5173\u65ad\u901f\u5ea6<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u6bd4\u8f83\u5fae\u5999\u4f46\u5f88\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u5f53\u4e09\u6781\u7ba1\u4ece\u5bfc\u901a\u72b6\u6001\u8f6c\u6362\u5230\u622a\u6b62\u72b6\u6001\u65f6\uff0c\u57fa\u533a\u4e2d\u5b58\u50a8\u7684\u5c11\u6570\u8f7d\u6d41\u5b50\u9700\u8981\u88ab\u6e05\u9664\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709BE\u7535\u963b\uff0c\u8fd9\u4e9b\u8f7d\u6d41\u5b50\u53ea\u80fd\u901a\u8fc7\u590d\u5408\u7684\u65b9\u5f0f\u6162\u6162\u6d88\u5931\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u76f8\u5bf9\u8f83\u6162\u3002<\/p>\n<p>\u6709\u4e86BE\u7535\u963b\u540e\uff0c\u5f53\u57fa\u6781\u9a71\u52a8\u4fe1\u53f7\u53d8\u4e3a\u4f4e\u7535\u5e73\u65f6\uff0c\u57fa\u533a\u4e2d\u7684\u8f7d\u6d41\u5b50\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u7535\u963b\u5feb\u901f\u6d41\u51fa\uff0c\u52a0\u901f\u4e09\u6781\u7ba1\u7684\u5173\u65ad\u8fc7\u7a0b\u3002<\/p>\n<p>\u8fd9\u5728\u9ad8\u9891\u5f00\u5173\u5e94\u7528\u4e2d\u7279\u522b\u91cd\u8981\u3002<\/p>\n<pre><code class=\"c\">\/\/ PWM\u63a7\u5236LED\u4eae\u5ea6\u7684\u793a\u4f8b\uff08STM32 HAL\u5e93\uff09\nvoid PWM_Init(void)\n{\n    TIM_HandleTypeDef htim2;\n    TIM_OC_InitTypeDef sConfigOC = {0};\n    \n    \/\/ TIM2\u65f6\u949f\u4f7f\u80fd\n    __HAL_RCC_TIM2_CLK_ENABLE();\n    \n    \/\/ \u5b9a\u65f6\u5668\u57fa\u672c\u914d\u7f6e\uff1a\u5047\u8bbe\u7cfb\u7edf\u65f6\u949f72MHz\uff0c\u5206\u9891\u540e1MHz\n    htim2.Instance = TIM2;\n    htim2.Init.Prescaler = 71;  \/\/ 72MHz \/ 72 = 1MHz\n    htim2.Init.CounterMode = TIM_COUNTERMODE_UP;\n    htim2.Init.Period = 999;    \/\/ PWM\u9891\u7387 = 1MHz \/ 1000 = 1kHz\n    htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;\n    HAL_TIM_PWM_Init(&amp;htim2);\n    \n    \/\/ PWM\u901a\u9053\u914d\u7f6e\n    sConfigOC.OCMode = TIM_OCMODE_PWM1;\n    sConfigOC.Pulse = 0;  \/\/ \u521d\u59cb\u5360\u7a7a\u6bd40%\n    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;\n    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;\n    HAL_TIM_PWM_ConfigChannel(&amp;htim2, &amp;sConfigOC, TIM_CHANNEL_1);\n    \n    \/\/ \u542f\u52a8PWM\u8f93\u51fa\n    HAL_TIM_PWM_Start(&amp;htim2, TIM_CHANNEL_1);\n}\n\n\/\/ \u8bbe\u7f6eLED\u4eae\u5ea6\uff080-100\uff09\nvoid LED_SetBrightness(uint8_t brightness)\n{\n    if(brightness &gt; 100) brightness = 100;\n    \n    \/\/ \u8ba1\u7b97\u5360\u7a7a\u6bd4\u5bf9\u5e94\u7684\u6bd4\u8f83\u503c\n    uint32_t pulse = (brightness * 1000) \/ 100;\n    __HAL_TIM_SET_COMPARE(&amp;htim2, TIM_CHANNEL_1, pulse);\n}<\/code><\/pre>\n<p>\u5728\u8fd9\u79cdPWM\u8c03\u5149\u5e94\u7528\u4e2d\uff0c\u5982\u679c\u4e09\u6781\u7ba1\u7684\u5f00\u5173\u901f\u5ea6\u4e0d\u591f\u5feb\uff0c\u5c31\u4f1a\u5bfc\u81f4\u6ce2\u5f62\u5931\u771f\u3001\u6548\u7387\u964d\u4f4e\u3001\u53d1\u70ed\u589e\u52a0\u3002BE\u7535\u963b\u80fd\u591f\u6539\u5584\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>1.4 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\u7535\u963b\u963b\u503c\u7684\u9009\u62e9<\/h2>\n<h3>2.1 \u5178\u578b\u963b\u503c\u8303\u56f4<\/h3>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cBE\u7535\u963b\u7684\u963b\u503c\u901a\u5e38\u9009\u62e9\u572810k\u03a9\u5230100k\u03a9\u4e4b\u95f4\uff0c\u6700\u5e38\u89c1\u7684\u662f10k\u03a9\u3002<\/p>\n<p>\u8fd9\u4e2a\u8303\u56f4\u662f\u7efc\u5408\u8003\u8651\u4e86\u591a\u65b9\u9762\u56e0\u7d20\u7684\u7ed3\u679c\u3002<\/p>\n<p><strong>\u963b\u503c\u592a\u5c0f\u7684\u95ee\u9898\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f1a\u589e\u52a0\u9a71\u52a8\u7535\u8def\u7684\u8d1f\u8f7d\uff0c\u9700\u8981\u66f4\u5927\u7684\u9a71\u52a8\u7535\u6d41<\/li>\n<li>\u529f\u8017\u589e\u52a0\uff0c\u5728\u7535\u6c60\u4f9b\u7535\u7684\u5e94\u7528\u4e2d\u4e0d\u5229<\/li>\n<li>\u53ef\u80fd\u5f71\u54cd\u4e09\u6781\u7ba1\u7684\u653e\u5927\u7279\u6027\uff08\u5728\u653e\u5927\u7535\u8def\u4e2d\uff09<\/li>\n<\/ul>\n<p><strong>\u963b\u503c\u592a\u5927\u7684\u95ee\u9898\uff1a<\/strong><\/p>\n<ul>\n<li>\u6cc4\u653e\u9759\u7535\u7684\u80fd\u529b\u51cf\u5f31<\/li>\n<li>\u6297\u5e72\u6270\u80fd\u529b\u4e0b\u964d<\/li>\n<li>\u5173\u65ad\u901f\u5ea6\u53d8\u6162<\/li>\n<\/ul>\n<h3>2.2 \u5177\u4f53\u5e94\u7528\u7684\u8003\u8651<\/h3>\n<p>\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u7535\u963b\u503c\u7684\u9009\u62e9\u4f1a\u6709\u6240\u4e0d\u540c\uff1a<\/p>\n<p><strong>\u4f4e\u529f\u8017\u5e94\u7528\uff1a<\/strong> \u6bd4\u5982\u7535\u6c60\u4f9b\u7535\u7684\u4fbf\u643a\u8bbe\u5907\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5927\u7684\u963b\u503c\uff0c\u598247k\u03a9\u6216100k\u03a9\uff0c\u4ee5\u51cf\u5c11\u9759\u6001\u529f\u8017\u3002<\/p>\n<pre><code class=\"c\">\/\/ \u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u7684GPIO\u63a7\u5236\u793a\u4f8b\nvoid Enter_LowPower_Mode(void)\n{\n    \/\/ \u5c06\u6240\u6709\u63a7\u5236\u5f15\u811a\u8bbe\u7f6e\u4e3a\u4f4e\u7535\u5e73\n    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_RESET);\n    \n    \/\/ \u8fdb\u5165\u505c\u6b62\u6a21\u5f0f\n    HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);\n    \n    \/\/ \u5524\u9192\u540e\u7684\u5904\u7406...\n}<\/code><\/pre>\n<p><strong>\u9ad8\u901f\u5f00\u5173\u5e94\u7528\uff1a<\/strong> \u6bd4\u5982PWM\u9a71\u52a8\u3001\u9ad8\u9891\u4fe1\u53f7\u5904\u7406\u7b49\uff0c\u5e94\u8be5\u9009\u62e9\u8f83\u5c0f\u7684\u963b\u503c\uff0c\u59824.7k\u03a9\u621610k\u03a9\uff0c\u4ee5\u83b7\u5f97\u66f4\u5feb\u7684\u5f00\u5173\u901f\u5ea6\u3002<\/p>\n<p><strong>\u5f3a\u5e72\u6270\u73af\u5883\uff1a<\/strong> \u5728\u5de5\u4e1a\u73b0\u573a\u3001\u6c7d\u8f66\u7535\u5b50\u7b49\u5f3a\u5e72\u6270\u73af\u5883\u4e2d\uff0c\u5efa\u8bae\u9009\u62e9\u8f83\u5c0f\u7684\u963b\u503c\uff0c\u598210k\u03a9\uff0c\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n<h3>2.3 \u4e0e\u57fa\u6781\u9650\u6d41\u7535\u963b\u7684\u914d\u5408<\/h3>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cBE\u7535\u963b\u8981\u4e0e\u57fa\u6781\u4e32\u8054\u7684\u9650\u6d41\u7535\u963b\u914d\u5408\u4f7f\u7528\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u57fa\u6781\u9650\u6d41\u7535\u963b\u7684\u963b\u503c\u8981\u8fdc\u5c0f\u4e8eBE\u7535\u963b\uff0c\u8fd9\u6837\u624d\u80fd\u786e\u4fdd\u5728\u9700\u8981\u5bfc\u901a\u65f6\uff0c\u5927\u90e8\u5206\u7535\u6d41\u6d41\u5165\u57fa\u6781\uff0c\u800c\u4e0d\u662f\u88abBE\u7535\u963b\u5206\u6d41\u3002<\/p>\n<p>\u4e00\u4e2a\u5178\u578b\u7684\u914d\u7f6e\u662f\uff1a\u57fa\u6781\u9650\u6d41\u7535\u963b1k\u03a9\uff0cBE\u7535\u963b10k\u03a9\u3002<\/p>\n<p>\u8fd9\u6837\u7684\u914d\u7f6e\u4e0b\uff0c\u5f53\u57fa\u6781\u6709\u9ad8\u7535\u5e73\u9a71\u52a8\u65f6\uff0c\u7ea690%\u7684\u7535\u6d41\u4f1a\u6d41\u5165\u57fa\u6781\uff0c\u8db3\u4ee5\u9a71\u52a8\u4e09\u6781\u7ba1\u5bfc\u901a\u3002<\/p>\n<h2>3. \u5b9e\u9645\u7535\u8def\u8bbe\u8ba1\u6848\u4f8b<\/h2>\n<h3>3.1 \u7ee7\u7535\u5668\u9a71\u52a8\u7535\u8def<\/h3>\n<p>\u8fd9\u662f\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u6700\u5e38\u89c1\u7684\u5e94\u7528\u4e4b\u4e00\u3002\u5047\u8bbe\u6211\u4eec\u8981\u7528STM32\u7684GPIO\u9a71\u52a8\u4e00\u4e2a12V\u7ee7\u7535\u5668\uff1a<\/p>\n<pre><code class=\"c\">\/*\n * \u786c\u4ef6\u8fde\u63a5\uff1a\n * STM32 PA5 --&gt; 1k\u03a9\u7535\u963b --&gt; NPN\u4e09\u6781\u7ba1\u57fa\u6781\n * \u4e09\u6781\u7ba1\u57fa\u6781\u548c\u53d1\u5c04\u6781\u4e4b\u95f4 --&gt; 10k\u03a9\u7535\u963b\n * \u4e09\u6781\u7ba1\u53d1\u5c04\u6781 --&gt; GND\n * \u4e09\u6781\u7ba1\u96c6\u7535\u6781 --&gt; \u7ee7\u7535\u5668\u7ebf\u5708 --&gt; 12V\u7535\u6e90\n * \u7ee7\u7535\u5668\u7ebf\u5708\u5e76\u8054\u7eed\u6d41\u4e8c\u6781\u7ba1\uff08\u9634\u6781\u63a512V\uff09\n *\/\n\n#define RELAY_PIN GPIO_PIN_5\n#define RELAY_PORT GPIOA\n\n\/\/ \u521d\u59cb\u5316\u7ee7\u7535\u5668\u63a7\u5236\nvoid Relay_Init(void)\n{\n    GPIO_InitTypeDef GPIO_InitStruct = {0};\n    \n    __HAL_RCC_GPIOA_CLK_ENABLE();\n    \n    GPIO_InitStruct.Pin = RELAY_PIN;\n    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;\n    GPIO_InitStruct.Pull = GPIO_NOPULL;\n    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;\n    HAL_GPIO_Init(RELAY_PORT, &amp;GPIO_InitStruct);\n    \n    \/\/ \u786e\u4fdd\u521d\u59cb\u72b6\u6001\u4e3a\u5173\u95ed\n    HAL_GPIO_WritePin(RELAY_PORT, RELAY_PIN, GPIO_PIN_RESET);\n}\n\n\/\/ \u5ef6\u65f6\u5f00\u5173\u7ee7\u7535\u5668\uff0c\u907f\u514d\u6296\u52a8\nvoid Relay_Switch(uint8_t state)\n{\n    static uint8_t last_state = 0;\n    \n    if(state != last_state)\n    {\n        if(state == 1)\n        {\n            HAL_GPIO_WritePin(RELAY_PORT, RELAY_PIN, GPIO_PIN_SET);\n        }\n        else\n        {\n            HAL_GPIO_WritePin(RELAY_PORT, RELAY_PIN, GPIO_PIN_RESET);\n        }\n        \n        last_state = state;\n        HAL_Delay(50);  \/\/ \u5ef6\u65f650ms\uff0c\u7b49\u5f85\u7ee7\u7535\u5668\u7a33\u5b9a\n    }\n}<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u7535\u8def\u4e2d\uff0c10k\u03a9\u7684BE\u7535\u963b\u786e\u4fdd\u4e86\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7edf\u4e0a\u7535\u6216\u590d\u4f4d\u65f6\uff0c\u7ee7\u7535\u5668\u4e0d\u4f1a\u8bef\u52a8\u4f5c<\/li>\n<li>\u5373\u4f7fGPIO\u5f15\u811a\u53d7\u5230\u5e72\u6270\uff0c\u4e5f\u4e0d\u5bb9\u6613\u8bef\u89e6\u53d1<\/li>\n<li>\u4e09\u6781\u7ba1\u5173\u65ad\u65f6\u901f\u5ea6\u66f4\u5feb\uff0c\u51cf\u5c11\u7ee7\u7535\u5668\u7ebf\u5708\u7684\u53cd\u5411\u7535\u52a8\u52bf\u5f71\u54cd<\/li>\n<\/ul>\n<h3>3.2 LED\u9a71\u52a8\u7535\u8def<\/h3>\n<p>\u5bf9\u4e8e\u9700\u8981\u9a71\u52a8\u5927\u7535\u6d41LED\u7684\u573a\u5408\uff0c\u4e5f\u7ecf\u5e38\u4f7f\u7528\u4e09\u6781\u7ba1\uff1a<\/p>\n<pre><code class=\"c\">\/*\n * \u786c\u4ef6\u8fde\u63a5\uff1a\n * STM32 PB0 --&gt; 470\u03a9\u7535\u963b --&gt; NPN\u4e09\u6781\u7ba1\u57fa\u6781\n * \u4e09\u6781\u7ba1\u57fa\u6781\u548c\u53d1\u5c04\u6781\u4e4b\u95f4 --&gt; 10k\u03a9\u7535\u963b\n * \u4e09\u6781\u7ba1\u53d1\u5c04\u6781 --&gt; GND\n * \u4e09\u6781\u7ba1\u96c6\u7535\u6781 --&gt; LED\u9634\u6781\n * LED\u9633\u6781 --&gt; \u9650\u6d41\u7535\u963b --&gt; VCC\n *\/\n\n#define LED_PIN GPIO_PIN_0\n#define LED_PORT GPIOB\n\n\/\/ LED\u95ea\u70c1\u4efb\u52a1\nvoid LED_Blink_Task(void)\n{\n    static uint32_t last_tick = 0;\n    static uint8_t led_state = 0;\n    \n    uint32_t current_tick = HAL_GetTick();\n    \n    \/\/ \u6bcf500ms\u7ffb\u8f6c\u4e00\u6b21\n    if(current_tick - last_tick &gt;= 500)\n    {\n        led_state = !led_state;\n        HAL_GPIO_WritePin(LED_PORT, LED_PIN, led_state ? GPIO_PIN_SET : GPIO_PIN_RESET);\n        last_tick = current_tick;\n    }\n}\n\n\/\/ \u4e3b\u5faa\u73af\u4e2d\u8c03\u7528\nint main(void)\n{\n    HAL_Init();\n    SystemClock_Config();\n    \n    \/\/ \u521d\u59cb\u5316LED\u63a7\u5236GPIO\n    GPIO_InitTypeDef GPIO_InitStruct = {0};\n    __HAL_RCC_GPIOB_CLK_ENABLE();\n    \n    GPIO_InitStruct.Pin = LED_PIN;\n    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;\n    GPIO_InitStruct.Pull = GPIO_NOPULL;\n    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;\n    HAL_GPIO_Init(LED_PORT, &amp;GPIO_InitStruct);\n    \n    while(1)\n    {\n        LED_Blink_Task();\n        \/\/ \u5176\u4ed6\u4efb\u52a1...\n    }\n}<\/code><\/pre>\n<h2>4. \u7279\u6b8a\u60c5\u51b5\u7684\u5904\u7406<\/h2>\n<h3>4.1 \u9ad8\u901f\u5f00\u5173\u573a\u5408<\/h3>\n<p>\u5728\u67d0\u4e9b\u9ad8\u901f\u5f00\u5173\u5e94\u7528\u4e2d\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5f00\u5173\u901f\u5ea6\uff0c\u53ef\u80fd\u4f1a\u5728BE\u4e4b\u95f4\u5e76\u8054\u4e00\u4e2a\u5c0f\u7535\u5bb9\uff08\u51e0\u5341\u5230\u51e0\u767epF\uff09\uff0c\u4e0e\u7535\u963b\u5f62\u6210RC\u7f51\u7edc\u3002<\/p>\n<p>\u8fd9\u4e2a\u7535\u5bb9\u53ef\u4ee5\u5728\u5173\u65ad\u77ac\u95f4\u63d0\u4f9b\u4e00\u4e2a\u4f4e\u963b\u6297\u901a\u8def\uff0c\u52a0\u901f\u8f7d\u6d41\u5b50\u7684\u62bd\u53d6\u3002<\/p>\n<h3>4.2 \u653e\u5927\u7535\u8def\u4e2d\u7684\u8003\u8651<\/h3>\n<p>\u5982\u679c\u4e09\u6781\u7ba1\u7528\u4e8e\u653e\u5927\u7535\u8def\u800c\u4e0d\u662f\u5f00\u5173\u7535\u8def\uff0cBE\u7535\u963b\u7684\u9009\u62e9\u5c31\u9700\u8981\u66f4\u52a0\u8c28\u614e\u3002<\/p>\n<p>\u8fc7\u5c0f\u7684\u7535\u963b\u4f1a\u5f71\u54cd\u8f93\u5165\u963b\u6297\u548c\u653e\u5927\u500d\u6570\uff0c\u8fd9\u65f6\u5019\u53ef\u80fd\u9700\u8981\u9009\u62e9\u66f4\u5927\u7684\u963b\u503c\uff0c\u6216\u8005\u5e72\u8106\u4e0d\u7528\u3002<\/p>\n<h3>4.3 PNP\u4e09\u6781\u7ba1\u7684\u60c5\u51b5<\/h3>\n<p>\u5bf9\u4e8ePNP\u4e09\u6781\u7ba1\uff0c\u540c\u6837\u7684\u539f\u7406\u4e5f\u9002\u7528\uff0c\u53ea\u662f\u7535\u963b\u8fde\u63a5\u5728\u57fa\u6781\u548c\u53d1\u5c04\u6781\u4e4b\u95f4\uff0c\u4f5c\u7528\u662f\u5c06\u57fa\u6781\u7535\u538b\u62c9\u9ad8\u5230\u53d1\u5c04\u6781\u7535\u4f4d\uff0c\u786e\u4fdd\u4e09\u6781\u7ba1\u622a\u6b62\u3002<\/p>\n<h2>5. \u603b\u7ed3<\/h2>\n<p>\u57fa\u6781-\u53d1\u5c04\u6781\u4e4b\u95f4\u7684\u7535\u963b\u867d\u7136\u770b\u8d77\u6765\u4e0d\u8d77\u773c\uff0c\u4f46\u5728\u5b9e\u9645\u7535\u8def\u4e2d\u8d77\u7740\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5b83\u80fd\u591f\uff1a<\/p>\n<ul>\n<li>\u63d0\u4f9b\u7a33\u5b9a\u7684\u504f\u7f6e\u72b6\u6001\uff0c\u9632\u6b62\u8bef\u89e6\u53d1<\/li>\n<li>\u4fdd\u62a4\u4e09\u6781\u7ba1\u514d\u53d7\u9759\u7535\u635f\u574f<\/li>\n<li>\u52a0\u901f\u5f00\u5173\u901f\u5ea6\uff0c\u6539\u5584\u52a8\u6001\u7279\u6027<\/li>\n<li>\u63d0\u9ad8\u7535\u8def\u7684\u6297\u5e72\u6270\u80fd\u529b<\/li>\n<\/ul>\n<p>\u5728\u5b9e\u9645\u8bbe\u8ba1\u4e2d\uff0c10k\u03a9\u662f\u6700\u5e38\u7528\u7684\u963b\u503c\uff0c\u4f46\u5177\u4f53\u9009\u62e9\u8fd8\u8981\u6839\u636e\u5e94\u7528\u573a\u666f\u6765\u5b9a\u3002<\/p>\n<p>\u4f5c\u4e3a\u5d4c\u5165\u5f0f\u5de5\u7a0b\u5e08\uff0c\u7406\u89e3\u8fd9\u4e9b\u7ec6\u8282\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u6211\u4eec\u8bbe\u8ba1\u51fa\u66f4\u53ef\u9760\u7684\u7535\u8def\uff0c\u4e5f\u80fd\u5728\u8c03\u8bd5\u95ee\u9898\u65f6\u66f4\u5feb\u5730\u5b9a\u4f4d\u539f\u56e0\u3002<\/p>\n<p>\u8bb0\u4f4f\uff0c\u597d\u7684\u7535\u8def\u8bbe\u8ba1\u5f80\u5f80\u4f53\u73b0\u5728\u8fd9\u4e9b\u7ec6\u8282\u4e4b\u5904\u3002<\/p>\n<p>\u5c0f\u770b\u4efb\u4f55\u4e00\u4e2a\u7535\u963b\uff0c\u5b83\u4eec\u90fd\u6709\u81ea\u5df1\u7684\u4f7f\u547d\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047541958\">https:\/\/segmentfault.com\/a\/1190000047541958<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002 \u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u7528\u5230\u4e09\u6781\u7ba1\u4f5c\u4e3a\u5f00\u5173\u6216\u653e\u5927\u5668\u4ef6\u3002 \u4e0d\u77e5\u9053\u5927\u5bb6\u6709\u6ca1\u6709\u6ce8\u610f\u5230\uff0c\u5728\u5f88\u591a\u7535 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021191","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021191"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021191\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}