{"id":20614,"date":"2023-10-20T10:21:31","date_gmt":"2023-10-20T02:21:31","guid":{"rendered":"https:\/\/www.circuspi.com\/?p=20614"},"modified":"2023-10-20T10:21:32","modified_gmt":"2023-10-20T02:21:32","slug":"esp32-adc","status":"publish","type":"post","link":"https:\/\/www.circuspi.com\/index.php\/2023\/10\/20\/esp32-adc\/","title":{"rendered":"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)"},"content":{"rendered":"\n<p><style>\n\/* ###\u5be6\u9a57\u4e0b\u4e00\u5217### *\/\n\na:link {color:#0695e4\n;}    \/* \u8a2d\u5b9a\u5c1a\u672a\u9ede\u95b1\u904e\u7684\u9023\u7d50\u6a23\u5f0f *\/\na:visited {color:#0695e4\n;} \/* \u8a2d\u5b9a\u904e\u53bb\u66fe\u7d93\u95b1\u904e\u7684\u9023\u7d50 *\/\na:hover {color:#0695e4\n;}   \/* \u8a2d\u5b9a\u6ed1\u9f20\u6e38\u6a19\u6307\u5728\u9023\u7d50\u4f4d\u7f6e\u4e0a\u7684\u6a23\u5f0f *\/\na:active {color:#0000BB;}  \/* \u8a2d\u5b9a\u4e0a\u9ede\u64ca\u904e\u7684\u9023\u7d50\u6a23\u5f0f *\/\n<\/style><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"526\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/1000x526_1-3.jpg\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\n\" class=\"wp-image-20681\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u524d\u8a00<\/h2>\n\n\n\n<p>\u5728\u4e0a\u4e00\u7bc7\u300c<a href=\"https:\/\/www.circuspi.com\/index.php\/2023\/10\/06\/esp32-pwm\/\" target=\"_blank\" rel=\"noreferrer noopener\">ESP32\u6559\u5b78\u7cfb\u5217(\u4e94)\uff1a\u6578\u4f4d\u8108\u885d\u5bec\u5ea6\u8abf\u8b8a(PWM)<\/a>\u300d\u6211\u5011\u5b78\u5230\u4e86PWM\u6578\u4f4d\u8f38\u51fa\u7684\u9032\u968e\u7528\u6cd5\uff0c\u9019\u4e00\u7bc7\u8981\u4f86\u8aaa\u660e\u6578\u4f4d\u8f38\u5165\u7684\u9032\u968e\u7528\u6cd5\u2014ADC\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001ADC \u4ecb\u7d39<\/h2>\n\n\n\n<p>ADC\uff08Analog-to-Digital Converter\uff0c\u6578\u4f4d\u985e\u6bd4\u8f49\u63db\u5668\uff09\u662f\u4f7f\u7528\u5fae\u63a7\u5236\u5668\u6642\u7d93\u5e38\u7528\u5230\u7684\u4e00\u9805\u529f\u80fd\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5c07\u985e\u6bd4\u8a0a\u865f\u8f49\u63db\u6210\u6578\u4f4d\u8a0a\u865f\u3002\u70ba\u4ec0\u9ebc\u6703\u9700\u8981ADC\u5462\uff1f\u7531\u65bc\u5fae\u63a7\u5236\u5668\u53ea\u80fd\u8b80\u53d6\u548c\u8655\u7406\u6578\u4f4d\u8a0a\u865f\uff0c\u56e0\u6b64\u5982\u679c\u5916\u90e8\u8f38\u5165\u7684\u4f86\u6e90\u662f\u985e\u6bd4\u8a0a\u865f\uff0c\u5c31\u8981\u7528ADC\u8f49\u63db\u6210\u6578\u4f4d\u8a0a\u865f\uff0c\u5fae\u63a7\u5668\u624d\u80fd\u5920\u8b80\u53d6\u6216\u8005\u662f\u505a\u9032\u4e00\u6b65\u7684\u8655\u7406\u3002\u6709\u8a31\u591a\u5143\u4ef6\u6216\u611f\u6e2c\u5668\u90fd\u6703\u7522\u751f\u985e\u6bd4\u8a0a\u865f\uff0c\u50cf\u662fJoystick\u6416\u687f\u3001\u53ef\u8b8a\u96fb\u963b\u3001\u5149\u611f\u6e2c\u5668\u3001\u5f4e\u66f2\u611f\u6e2c\u5668\u3001\u58d3\u529b\u611f\u6e2c\u5668\u3001\u970d\u723e\u611f\u6e2c\u5668\u2026\u7b49\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001ESP32 \u7684 ADC<\/h2>\n\n\n\n<p><strong>\u26a0\ufe0f \u91cd\u8981<\/strong><\/p>\n\n\n\n<p>ESP32 \u7684 ADC \u5b58\u5728\u8a31\u591a\u5df2\u77e5\u7684\u554f\u984c\uff0c\u5982\u679c\u6709\u7cbe\u78ba\u91cf\u6e2c\u7684\u9700\u6c42\uff0c\u5efa\u8b70\u4f7f\u7528\u5c08\u9580\u7684 ADC \u6676\u7247\u3002\uff08\u4f8b\u5982\uff1aADS1115\uff09<\/p>\n\n\n\n<p>ESP32 \u6676\u7247\u5177\u6709\u5169\u500b SAR ADC\uff08ADC1\u548cADC2\uff09\uff0c\u5169\u500b ADC \u52a0\u8d77\u4f86\u7e3d\u5171\u6709 18 \u500b\u901a\u9053\uff0c\u4e26\u4e14\u6bcf\u500b\u901a\u9053\u90fd\u6709 12 \u4f4d\u5143\u7684\u89e3\u6790\u5ea6\u3002\u5728 ESP32 \u958b\u767c\u677f\u4e0a\uff0c\u6211\u5011\u6709 16 \u500b\u901a\u9053\u53ef\u4ee5\u4f7f\u7528\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/01-PINOUT.jpg\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20615\" width=\"620\" height=\"551\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e00 ESP32 \u7684 ADC \u63a5\u8173<\/figcaption><\/figure><\/div>\n\n\n<p><strong>\ud83d\udca1 Tips<\/strong><\/p>\n\n\n\n<p>\u7576\u6211\u5011\u958b\u555f ESP32 \u7684 Wi-Fi \u6642\uff0c\u5c31\u7121\u6cd5\u4f7f\u7528 ADC2 \u7684\u529f\u80fd\u3002\u4e26\u4e14\u56e0\u70ba Arduino Framework \u7684 ADC \u51fd\u5f0f\u53ea\u9700\u8981\u8a2d\u5b9a GPIO \u63a5\u8173\uff0c\u5728\u51fd\u5f0f\u5167\u90e8\u624d\u6703\u53bb\u5340\u5206 ADC1 \u6216 ADC2\uff0c\u56e0\u6b64\u5728\u4f7f\u7528 Wi-Fi \u8207 ADC \u63a5\u8173\u6642\u9700\u591a\u52a0\u7559\u610f\u662f\u5426\u6709\u8173\u4f4d\u885d\u7a81\u7684\u554f\u984c\u3002<\/p>\n\n\n\n<p>ADC1\u67096\u500b\u901a\u9053\u9023\u63a5\u5230GPIO\u63a5\u8173\uff0c\u5206\u5225\u662fGPIO32~36\u548cGPIO39\u3002<\/p>\n\n\n\n<p>ADC2\u670910\u500b\u901a\u9053\u9023\u63a5\u5230GPIO4\u3001GPIO0\u3001GPIO2\u3001GPIO15\u3001GPIO13\u3001GPIO12\u3001GPIO14\u3001GPIO27\u3001GPIO25\u8207GPIO26\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u89e3\u6790\u5ea6<\/h3>\n\n\n\n<p>ESP32 \u7684 ADC \u80fd\u5c07 0~3.3V \u7684\u985e\u6bd4\u96fb\u58d3\u503c\u8f49\u63db\u6210 0~4095 \u7684\u6578\u503c\u3002ADC \u5177\u6709 12 \u4f4d\u5143\u7684\u89e3\u6790\u5ea6\uff0c\u4ee3\u8868\u5b83\u53ef\u4ee5\u6aa2\u6e2c4096\uff082<sup>12<\/sup>\uff09\u500b\u96e2\u6563\u7684\u985e\u6bd4\u96fb\u58d3\u503c\uff0c\u7bc4\u570d\u5f9e 0 \u5230 4095\u3002\u5176\u4e2d\uff0c0V \u96fb\u58d3\u5c0d\u61c9\u5230\u6578\u503c 0\uff0c3.3V \u96fb\u58d3\u5c0d\u61c9\u5230 4095\uff0c\u6240\u4ee5\u6bcf\u55ae\u4f4d\u89e3\u6790\u5ea6\u7d04\u70ba 0.8mV\uff08\u6beb\u4f0f\uff09\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"152\" height=\"55\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-2.png\" alt=\"\" class=\"wp-image-20616\"\/><\/figure><\/div>\n\n\n<p>\u7406\u60f3\u4e0a\u96fb\u58d3\u548c\u6578\u503c\u7684\u5c0d\u61c9\u95dc\u4fc2\u662f\u7dda\u6027\u7684\u3002\u4f8b\u5982\uff0c\u7576\u6578\u503c\u70ba 1024 \u6642\u5c0d\u61c9\u7684\u96fb\u58d3\u503c\u6703\u662f 1024 * 0.8 = 819.2mV\uff1b\u7576\u6578\u503c\u70ba 3100 \u6642\uff0c\u96fb\u58d3\u503c\u61c9\u70ba 2480mV\u3002\u53ef\u60dc\u7684\u662f\uff0cESP32 \u7684 ADC \u4e26\u4e0d\u5b8c\u5168\u7dda\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001ESP32 ADC\u7684\u554f\u984c<\/h2>\n\n\n\n<p>\u4e00\u822c\u4f86\u8aaa\uff0c\u6240\u6709\u7684 ADC \u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u90fd\u53ef\u80fd\u6703\u56e0\u70ba\u53d7\u5230\u591a\u7a2e\u56e0\u7d20\u7684\u5e72\u64fe\u800c\u7522\u751f\u8aa4\u5dee\uff0c\u800c\u4e0d\u540c\u7684 ADC \u4e4b\u9593\u597d\u8207\u58de\u7684\u5177\u9ad4\u5dee\u5225\u5c31\u5728\u65bc\u80fd\u5426\u5c07\u9019\u4e9b\u8aa4\u5dee\u6d88\u9664\u3002\u63db\u53e5\u8a71\u8aaa\uff0c\u8f49\u63db\u54c1\u8cea\u6c7a\u5b9a\u4e86 ADC \u7684\u597d\u58de\u3002<\/p>\n\n\n\n<p>\u7b46\u8005\u5728\u5be6\u969b\u6e2c\u8a66\u5f8c\u767c\u73fe\u76ee\u524d ESP32 \u7684 ADC \u6709\u5169\u500b\u8f03\u56b4\u91cd\u7684\u554f\u984c\uff0c<strong>\u975e\u7dda\u6027\u7684ADC\u4ee5\u53ca\u96dc\u8a0a\u5e72\u64fe<\/strong>\u3002\u95dc\u65bc ADC \u7684\u554f\u984c\u8a0e\u8ad6\uff0c\u6709\u8208\u8da3\u7684\u8b80\u8005\u53ef\u4ee5\u53c3\u8003 Github\u4e0a \u7684\u5169\u5247issue<a href=\"https:\/\/github.com\/espressif\/arduino-esp32\/issues\/1804\">\uff08<\/a><a href=\"https:\/\/github.com\/espressif\/arduino-esp32\/issues\/92\" target=\"_blank\" rel=\"noreferrer noopener\">\u4f86\u6e901<\/a>\uff09\uff08<a href=\"https:\/\/github.com\/espressif\/arduino-esp32\/issues\/1804\" target=\"_blank\" rel=\"noreferrer noopener\">\u4f86\u6e902\uff09<\/a>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u975e\u7dda\u6027\u7684 ADC<\/h3>\n\n\n\n<p>\u9020\u6210\u91cf\u6e2c\u8aa4\u5dee\u7684\u5176\u4e2d\u4e00\u9805\u91cd\u8981\u539f\u56e0\u662f\u56e0\u70ba\u5167\u90e8\u53c3\u8003\u96fb\u58d3\u7684\u8aa4\u5dee\u904e\u5927\u3002ESP32 \u7684 ADC \u5728\u53d6\u6a23\u904e\u7a0b\u4e2d\u6703\u900f\u904e\u8207\u5167\u90e8\u7684\u53c3\u8003\u96fb\u58d3 Vref  \u6bd4\u8f03\uff0c\u4ee5\u78ba\u5b9a\u7576\u524d\u96fb\u58d3\u6240\u5c0d\u61c9\u7684\u6578\u503c\u3002\u6839\u64da\u5b98\u65b9\u8a2d\u8a08\uff0c\u6676\u7247\u5167\u90e8\u7684\u6a19\u6e96\u53c3\u8003\u96fb\u58d3\u662f1100mV\uff0c\u4f46\u662f\u5be6\u969b\u7684\u53c3\u8003\u96fb\u58d3\u6703\u56e0\u8a2d\u5099\u800c\u7570\uff0c\u6bcf\u4e00\u7247\u7684 Vref \u5927\u7d04\u6703\u843d\u5728 1000mV~1200mV \u4e4b\u9593\u4e0d\u7b49\uff0c\u9019\u5c0d ADC \u4f86\u8aaa\u662f\u76f8\u7576\u5927\u7684\u8aa4\u5dee\u7bc4\u570d\uff0c\u4e5f\u56e0\u6b64\u5c0e\u81f4\u6bcf\u7247 ESP32 \u6e2c\u91cf\u5230\u7684\u6578\u503c\u8207\u5be6\u969b\u96fb\u58d3\u6709\u6240\u843d\u5dee\uff08\u53c3\u8003\uff1a<a rel=\"noreferrer noopener\" href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/en\/stable\/esp32\/api-reference\/peripherals\/adc_calibration.html\" target=\"_blank\">\u5b98\u65b9\u6587\u4ef6<\/a>\uff09\u3002<\/p>\n\n\n\n<p>\u5716\u4e8c\u662f\u7b46\u8005\u81ea\u884c\u6e2c\u8a66\u7684\u7d50\u679c\uff0c\u5716\u4e09\u662f\u64f7\u53d6\u81ea\u570b\u5916\u7db2\u7ad9\u7684\u6e2c\u8a66\u7d50\u679c\uff08<a href=\"https:\/\/randomnerdtutorials.com\/esp32-adc-analog-read-arduino-ide\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u4f86\u6e90<\/a>\uff09\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-3.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20617\" width=\"578\" height=\"351\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e8c<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-4.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20618\" width=\"770\" height=\"475\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e09<\/figcaption><\/figure><\/div>\n\n\n<p>\u7531\u65bc\u6e2c\u8a66\u904e\u7a0b\u4e2d\u767c\u73fe ADC \u5f88\u5bb9\u6613\u53d7\u5230\u96dc\u8a0a\u5e72\u64fe\uff0c\u56e0\u6b64\u672c\u6b21\u6e2c\u8a66\u4e2d\u6709\u52a0\u4e0a\u53bb\u8026\u96fb\u5bb9\u4ee5\u53ca\u8edf\u9ad4\u91cd\u8907\u53d6\u6a23\uff0c\u6bcf\u7b46\u8cc7\u6599\u9593\u9694 50mV\uff0c\u53d6\u6a23\u6b21\u6578 20 \u6b21\uff0c\u6bcf\u6b21\u9593\u9694 100ms\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5be6\u9a57\u8aaa\u660e<\/h3>\n\n\n\n<p>\u9019\u500b\u5be6\u9a57\u4ee5 ESP32 \u4e0a\u7684 3.3V \u4f5c\u70ba\u96fb\u6e90\uff0c\u900f\u904e\u8f49\u52d5\u53ef\u8b8a\u96fb\u963b\u6539\u8b8a\u96fb\u58d3\u503c\uff0c\u4f9d\u6578\u4f4d\u96fb\u8868\u7684\u91cf\u6e2c\u503c\u4f5c\u70ba\u57fa\u6e96\u503c\uff0c\u6e2c\u8a66\u7a0b\u5f0f\u78bc\u985e\u4f3c\u65bc\u7bc4\u4f8b 1\uff0c\u5728\u6b64\u5c31\u4e0d\u591a\u52a0\u8aaa\u660e\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/IMG_2014.jpeg\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20619\" width=\"575\" height=\"575\"\/><figcaption class=\"wp-element-caption\">\u5716\u56db ADC \u6578\u503c\u8207\u96fb\u58d3\u6bd4\u8f03\u5be6\u9a57\u96fb\u8def<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-5.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20620\" width=\"575\" height=\"324\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e94 \u8abf\u6574\u904e\u7a0b\u4ee5\u684c\u4e0a\u578b\u6578\u4f4d\u96fb\u8868\u505a\u70ba\u57fa\u6e96\u96fb\u58d3\u53c3\u8003\u3002\u5716\u70ba\u8abf\u6574 2.6V \u53c3\u8003\u96fb\u58d3\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u5c07\u5be6\u969b\u8f38\u51fa\u7d50\u679c\u8207\u7406\u60f3\u8f38\u51fa\u7d50\u679c\uff08\u865b\u7dda\uff09\u6bd4\u5c0d\u5f8c\uff0c\u4e0d\u96e3\u767c\u73fe ESP32 \u7684 ADC \u771f\u7684\u5f88\u4e0d\u6e96XD\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-6.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20621\" width=\"670\" height=\"408\"\/><figcaption class=\"wp-element-caption\">\u5716\u516d \u865b\u7dda\u662f\u7406\u60f3ADC\u7684\u8f38\u51fa\u6578\u503c\uff0c\u5be6\u7dda\u662fADC\u5be6\u969b\u7684\u8f38\u51fa\u66f2\u7dda\u3002<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u96dc\u8a0a\u5e72\u64fe<\/h3>\n\n\n\n<p>\u5982\u524d\u6240\u8ff0\uff0c\u7b46\u8005\u5728\u6e2c\u8a66\u904e\u7a0b\u4e2d\u767c\u73fe\uff0cADC \u6578\u503c\u5f88\u5bb9\u6613\u53d7\u5230\u96dc\u8a0a\u5e72\u64fe\uff0c\u91cf\u6e2c\u5230\u7684\u6578\u503c\u5f88\u4e0d\u7a69\u5b9a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-7.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20622\" width=\"740\" height=\"434\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e03 \u672a\u52a0\u96fb\u5bb9 \u6578\u503c\u7bc4\u570d (min: 1481, max: 1562)<\/figcaption><\/figure><\/div>\n\n\n<p>\u5c0d\u65bc\u96dc\u8a0a\u5e72\u64fe\u7684\u554f\u984c\uff0c\u5b98\u65b9\u5efa\u8b70\u5728 ADC \u63a5\u8173\u8207 GND \u4e4b\u9593\u52a0\u4e0a\u4e00\u9846 0.1uF \u7684\u96fb\u5bb9\u904e\u6ffe\u96dc\u8a0a\uff0c\u540c\u6642\uff0c\u591a\u6b21\u53d6\u6a23\u4e5f\u6709\u52a9\u65bc\u5f97\u5230\u7a69\u5b9a\u7684\u6578\u503c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-8.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20623\" width=\"640\" height=\"390\"\/><figcaption class=\"wp-element-caption\">\u5716\u4e5d \u622a\u53d6\u81ea\u5b98\u65b9\u6587\u6a94\uff08<a href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/en\/stable\/esp32\/api-reference\/peripherals\/adc_calibration.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u4f86\u6e90<\/a>\uff09\u3002\u53ef\u4ee5\u770b\u5230\u52a0\u4e0a\u96fb\u5bb9\u8207\u591a\u6b21\u53d6\u6a23\u5e73\u5747\u5f8c\u80fd\u7372\u5f97\u66f4\u52a0\u7a69\u5b9a\u7684ADC\u6578\u503c\u3002<\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u7528ESP32\u8b80\u53d6\u985e\u6bd4\u6578\u503c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u790e\u8a9e\u6cd5<\/h3>\n\n\n\n<ul>\n<li><strong>analogRead<\/strong> \u4f7f\u7528ADC\u6642\u4e0d\u9700\u8981\u8a2d\u5b9a <code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">pinMide()<\/mark><\/code>\uff0c\u7576\u9700\u8981\u8b80\u53d6\u985e\u6bd4\u6578\u503c\u6642\u53ea\u8981\u7528 <code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogRead()<\/mark><\/code> \u6307\u5b9a\u7528\u4f86\u8b80\u53d6\u7684GPIO\u63a5\u8173\uff0c\u5c31\u6703\u56de\u50b3ADC\u7684\u539f\u59cb\u6578\u503c(0~4095)\u3002 <\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogRead<\/mark>(GPIO Pin);<\/code><\/pre>\n\n\n\n<p>\u53c3\u6578\u8aaa\u660e\uff1a<\/p>\n\n\n\n<p> <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><code>GPIO Pin<\/code> <\/mark>: GPIO\u63a5\u8173\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u7bc4\u4f8b1: \u8b80\u53d6\u53ef\u8b8a\u96fb\u963b\u4e0a\u7684\u96fb\u58d3<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-9.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20624\" width=\"720\" height=\"540\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341 \u7bc4\u4f8b1<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6750\u6599\u6e05\u55ae<\/h3>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/368030501866\" target=\"_blank\" rel=\"noreferrer noopener\">ESP32\u958b\u767c\u677f<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/368070100145\" target=\"_blank\" rel=\"noreferrer noopener\">micro USB \u50b3\u8f38\u7dda<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/368090200053\">\u9eb5\u5305\u677f<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.circuspi.com\/wp-admin\/blank\" target=\"_blank\" rel=\"noreferrer noopener\">\u675c\u90a6\u7dda\uff08\u516c-\u516c\uff09<\/a> x3<\/li>\n\n\n\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/3680102004327\" target=\"_blank\" rel=\"noreferrer noopener\">10K\u53ef\u8b8a\u96fb\u963b<\/a> x1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9023\u63a5\u793a\u610f\u5716<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-10.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20625\" width=\"594\" height=\"387\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e00 \u7bc4\u4f8b1 \u9023\u63a5\u793a\u610f\u5716<\/figcaption><\/figure><\/div>\n\n\n<p>\u7a0b\u5f0f\u78bc<\/p>\n\n\n\n<div style=\"overflow: auto; height: auto; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/iCShop-Sophie\/e891f75418cb42e659a402fabe647663.js\"><\/script>\n<\/div>\n\n\n\n<p>\u4e0a\u50b3\u7a0b\u5f0f\u5230\u958b\u767c\u677f\u4e4b\u5f8c\uff0c\u6253\u958b\u5e8f\u5217\u57e0\u76e3\u63a7\u8996\u7a97\uff0c\u8a66\u8457\u8f49\u52d5\u53ef\u8b8a\u96fb\u963b\u5c31\u53ef\u4ee5\u770b\u5230\u6578\u503c\u7684\u6539\u8b8a\u4e86\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u7bc4\u4f8b2: \u8abf\u6574\u5f69\u8272LED\u71c8\u74b0\u4eae\u5ea6<\/h2>\n\n\n\n<p>WS2812\u662f\u4e00\u9846\u6574\u5408\u4e86\u63a7\u5236\u96fb\u8def\u8207RGB\u6676\u7247\u7684\u5f69\u8272LED\uff0c\u5b83\u4f7f\u7528\u4e86\u4e00\u7a2e\u7279\u6b8a\u5354\u8b70\u80fd\u5920\u5c07\u591a\u9846LED\u4e32\u806f\u8d77\u4f86\uff0c\u5728\u786c\u9ad4\u90e8\u5206\u53ea\u9700\u8981\u63a53\u689d\u7dda\u5c31\u80fd\u4f7f\u7528\uff0c\u6700\u591a\u80fd\u5920\u986f\u793a\u591a\u905416,777,216\u7a2e\u8272\u5f69\uff0c\u662f\u76f8\u7576\u5e38\u898b\u7684\u5168\u5f69LED\u3002\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\u6211\u5011\u5c07\u8abf\u6574\u53ef\u8b8a\u96fb\u963b\u4ee5\u6539\u8b8aLED\u5149\u74b0\u7684\u4eae\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6750\u6599\u6e05\u55ae<\/h3>\n\n\n\n<ul>\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.icshop.com.tw\/products\/368030501866\" target=\"_blank\">ESP32\u958b\u767c\u677f<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/368070100145\" target=\"_blank\" rel=\"noreferrer noopener\">micro USB \u50b3\u8f38\u7dda<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.icshop.com.tw\/products\/368090200053\">\u9eb5\u5305\u677f<\/a> x1<\/li>\n\n\n\n<li><a href=\"https:\/\/www.circuspi.com\/wp-admin\/blank\" target=\"_blank\" rel=\"noreferrer noopener\">\u675c\u90a6\u7dda\uff08\u516c-\u516c\uff09<\/a> x3<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.icshop.com.tw\/products\/3680102004327\" target=\"_blank\">10K\u53ef\u8b8a\u96fb\u963b<\/a> x1<\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.icshop.com.tw\/products\/368011400499\" target=\"_blank\">WS2812 \u74b0\u5f62 LED\uff088 bit\uff09<\/a> x1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9023\u63a5\u793a\u610f\u5716<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-11.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20626\" width=\"640\" height=\"318\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e8c \u7bc4\u4f8b2\u9023\u63a5\u793a\u610f\u5716<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88dd\u51fd\u5f0f\u5eab<\/h3>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5148\u5b89\u88dd\u7531 <a rel=\"noreferrer noopener\" href=\"https:\/\/www.adafruit.com\/\" target=\"_blank\">Adafruit<\/a> \u63d0\u4f9b\u7684 Adafruit NeoPixel \u9019\u500b\u51fd\u5f0f\u5eab\u3002\u7531\u65bc WS2812 \u6240\u4f7f\u7528\u7684\u5354\u8b70\u6bd4\u8f03\u7279\u5225\uff0c\u4f7f\u7528\u51fd\u5f0f\u5eab\u5c01\u88dd\u597d\u7684\u5167\u5bb9\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u7c21\u5316\u9a45\u52d5\u71c8\u74b0\u7684\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u9ede\u9078Arduino IDE\u5de6\u5074\u7684\u51fd\u5f0f\u5eab\u7ba1\u7406\u54e1\u5716\u793a\uff0c\u5728\u641c\u5c0b\u6b04\u8f38\u5165\u300cneopixel\u300d\uff0c\u627e\u5230\u4ee5\u5f8c\u9ede\u9078\u5b89\u88dd\uff0c\u9019\u6a23\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-12.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20627\" width=\"645\" height=\"530\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e09 \u7bc4\u4f8b2\u51fd\u5f0f\u5eab\u5b89\u88dd\u8aaa\u660e<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7a0b\u5f0f\u78bc<\/h3>\n\n\n\n<p>Adafruit_NeoPixel\u51fd\u5f0f\u5eab\u4e2d\u63d0\u4f9b\u4e86\u4e00\u500b\u66f4\u6539LED\u4eae\u5ea6\u7684\u51fd\u5f0f<code>setBrightness<\/code>\uff0c\u6211\u5011\u53ef\u4ee5\u900f\u904e\u8b80\u53d6\u53ef\u8b8a\u96fb\u963b\u7684\u6578\u503c\u4f86\u8abf\u6574\u71c8\u74b0\u7684\u4eae\u5ea6\u3002<\/p>\n\n\n\n<div style=\"overflow: auto; height: 600px; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/iCShop-Sophie\/3b29a24ceb08fed92996bb92a0273ab4.js\"><\/script>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a0b\u5f0f\u8aaa\u660e<\/h3>\n\n\n\n<ol>\n<li>\u9996\u5148\u5f15\u5165 (include) Adafruit_NeoPixel \u9019\u500b\u51fd\u5f0f\u5eab\uff0c\u5b9a\u7fa9\u71c8\u74b0\u53c3\u6578\u8207\u5ba3\u544a\u8b8a\u6578\u3002<\/li>\n\n\n\n<li>\u63a5\u4e0b\u4f86\u662f\u5ba3\u544a ring \u7269\u4ef6\uff0c\u4e26\u4e14\u5728 setup() \u51fd\u5f0f\u4e2d\u5c07 ring \u521d\u59cb\u5316\uff0c\u7136\u5f8c\u95dc\u9589\u6240\u6709\u7684 LED\u3002<\/li>\n\n\n\n<li>\u5728 loop() \u51fd\u5f0f\u4e2d\uff0c\u7a0b\u5f0f\u6bcf 50 \u6beb\u79d2\u5c31\u6703\u53bb\u8b80\u53d6\u4e00\u6b21\u53ef\u8b8a\u96fb\u963b\u7684\u6578\u503c\uff0c\u4e26\u5c07\u96fb\u963b\u7684\u6578\u503c\u8f49\u63db\u6210\u71c8\u74b0\u7684\u4eae\u5ea6\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5176\u4ed6\u4e8b\u9805\u8aaa\u660e<\/h3>\n\n\n\n<ul>\n<li>\u7531\u65bc\u53ef\u8b8a\u96fb\u963b\u7684\u6578\u503c\u7bc4\u570d\u662f 0~4095\uff0c\u800c\u8a2d\u5b9a\u71c8\u74b0\u4eae\u5ea6\u7684\u7bc4\u570d\u5247\u662f 0~255\uff0c\u6240\u4ee5\u9019\u5169\u500b\u6578\u503c\u4e4b\u9593\u9084\u9700\u8981\u7d93\u904e map \u51fd\u5f0f\u8f49\u63db\u6210\u5c0d\u61c9\u7684\u6578\u503c\u3002\u4e0d\u904e\u71c8\u74b0\u7684\u4eae\u5ea6\u5982\u679c\u8a2d\u5b9a\u6210 255 \u6703\u592a\u523a\u773c\uff0c\u7bc4\u4f8b\u4e2d\u5c07\u6700\u5927\u4eae\u5ea6\u8a2d\u70ba 50\u3002<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u984f\u8272\u7684\u529f\u80fd\u53c3\u8003\u81ea NeiPixel \u51fd\u5f0f\u5eab\u7684\u7bc4\u4f8b\uff0c\u5b83\u7684\u529f\u80fd\u662f\u5c07\u591a\u500b\u4e0d\u540c\u7684\u8272\u8abf(Hue)\u9031\u671f\u6027\u7684\u586b\u6eff\u71c8\u74b0\uff0c\u5728\u71c8\u74b0\u4e0a\u986f\u793a\u5f69\u8679\u6548\u679c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f38\u51fa\u7d50\u679c<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/IMG_1863.gif\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20640\" width=\"632\" height=\"354\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u56db \u7bc4\u4f8b2\u986f\u793a\u6548\u679c <br>\u8a3b\uff1a\u5be6\u969b\u9023\u63a5\u6642\uff0c\u53ea\u8981\u63a53\u96bb\u8173\u5373\u53ef\u3002\u5716\u4e2d\u7684\u9ec3\u8272\u7dda\uff08DOUT\u63a5\u8173\uff09\u53ef\u4ee5\u4e0d\u7528\u63a5<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5176\u4ed6(\u53ef\u80fd\u6703\u7528\u5230\u7684)\u8a9e\u6cd5<\/h3>\n\n\n\n<ul>\n<li><strong>analogSetWidth<\/strong> <br>\u8a2d\u5b9a ADC \u8b80\u53d6\u89e3\u6790\u5ea6\uff0c\u9810\u8a2d\u662f 12 \u4f4d\u5143\u3002\u4e5f\u53ef\u4ee5\u7528<code>analogReadResolution(bits)<\/code>\u4ee3\u66ff\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogSetWidth<\/mark>(bits);<\/code><\/pre>\n\n\n\n<p>\u53c3\u6578\u8aaa\u660e\uff1a<\/p>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">bits<\/mark><\/code>: \u8a2d\u5b9a\u985e\u6bd4\u8b80\u53d6\u89e3\u6790\u5ea6\uff0c\u53ef\u8a2d\u5b9a\u7684\u7bc4\u570d\u662f 9~12 \u4f4d\u5143\u3002<\/p>\n\n\n\n<ul>\n<li><strong>analogReadMillivolts<\/strong><br>\u7528\u4f86\u7372\u5f97\u6307\u5b9a\u63a5\u8173\/ADC \u901a\u9053\u7684\u96fb\u58d3\u503c\uff0c\u55ae\u4f4d\u662f\u6beb\u4f0f(mV)\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogReadMilliVolts<\/mark>(pin);<\/code><\/pre>\n\n\n\n<p>\u53c3\u6578\u8aaa\u660e\uff1a<\/p>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">pin<\/mark><\/code>: \u8b80\u53d6\u985e\u6bd4\u503c\u7684\u63a5\u8173\u3002<\/p>\n\n\n\n<ul>\n<li><strong>analogSetAttenuation<\/strong> <br>\u8f38\u5165\u7684\u96fb\u58d3\u5728\u9032\u5165 ADC \u4e4b\u524d\u53ef\u4ee5\u88ab\u8870\u6e1b\u3002\u5c0d\u61c9\u4e0d\u540c\u7684\u96fb\u58d3\u6e2c\u91cf\u7bc4\u570d\uff0c\u6211\u5011\u53ef\u4ee5\u8a2d\u5b9a\u7279\u5b9a\u7684\u8870\u6e1b\u500d\u6578\u3002 \u6709 4 \u500b\u8870\u6e1b\u53c3\u6578\u53ef\u4ee5\u4f7f\u7528\uff0c\u9810\u8a2d\u8870\u6e1b\u53c3\u6578\u662f<code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">ADC_ATTEN_DB_11<\/mark><\/code>\u3002\u6578\u503c\u8d8a\u5927\uff0c\u53ef\u6e2c\u91cf\u7684\u8f38\u5165\u96fb\u58d3\u5c31\u8d8a\u5927\u3002 \u4e0b\u8868\u53ef\u4ee5\u770b\u5230 ESP32 \u7684 ADC \u8870\u6e1b\u6709\u7bc4\u570d\u9650\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">attenuation(\u8870\u6e1b)<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8f38\u5165\u96fb\u58d3\u7bc4\u570d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">ADC_ATTEN_DB_0<\/mark><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">100 mV ~ 950 mV<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">ADC_ATTEN_DB_2_5<\/mark><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">100 mV ~ 1250 mV<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">ADC_ATTEN_DB_6<\/mark><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">150 mV ~ 1750 mV<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">ADC_ATTEN_DB_11<\/mark><\/code><\/td><td class=\"has-text-align-center\" data-align=\"center\">150 mV ~ 2450 mV<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u9019\u500b\u51fd\u5f0f\u7528\u4f86\u8a2d\u5b9a\u6240\u6709\u901a\u9053\u7684\u8870\u6e1b\u500d\u6578\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogSetAttenuation<\/mark>(attenuation);<\/code><\/pre>\n\n\n\n<p>\u53c3\u6578\u8aaa\u660e\uff1a<\/p>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">attenuation<\/mark><\/code>: \u8a2d\u5b9a\u8870\u6e1b\u500d\u6578\u3002<\/p>\n\n\n\n<ul>\n<li><strong>analogSetPinAttenuation<\/strong> <br>\u8a2d\u5b9a\u7279\u5b9a\u63a5\u8173\u7684\u8870\u6e1b\u500d\u6578\u3002  <\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">analogSetPinAttenuation<\/mark>(pin, attenuation);<\/code><\/pre>\n\n\n\n<p>\u53c3\u6578\u8aaa\u660e\uff1a<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"> <code>pin<\/code><\/mark>: \u6307\u5b9a\u7684\u63a5\u8173\u3002 <\/p>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">attenuation<\/mark><\/code>: \u8a2d\u5b9a\u8870\u6e1b\u500d\u6578\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001\u9032\u968e\u77e5\u8b58\uff1a\u6821\u6b63 ADC<\/h2>\n\n\n\n<p>\u96d6\u7136 ESP32 \u7684 ADC \u91cf\u6e2c\u7d50\u679c\u4e26\u4e0d\u7406\u60f3\uff0c\u4f46\u539f\u5ee0\u9084\u662f\u6709\u505a\u51fa\u88dc\u6551\u65b9\u6848\u3002<a href=\"https:\/\/www.espressif.com\/zh-hans\" target=\"_blank\" rel=\"noreferrer noopener\">\u6a02\u946b<\/a>\u5728 Arduino \u6838\u5fc3\u7684 ADC API \u88e1\u9762\u63d0\u4f9b\u4e86\u4e00\u500b\u6821\u6b63\u51fd\u5f0f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u6821\u6b63\u7531\u5167\u90e8\u53c3\u8003\u96fb\u58d3\u9020\u6210\u7684\u8aa4\u5dee\u3002<\/p>\n\n\n\n<p>\u5be6\u969b\u4e0a\u7684\u505a\u6cd5\u662f\u5728\u6676\u7247\u51fa\u5ee0\u524d\u6e2c\u91cf\u6bcf\u4e00\u9846\u6676\u7247\u7684Vref\u96fb\u58d3\uff0c\u4e26\u5c07\u6e2c\u5f97\u7684\u96fb\u58d3\u71d2\u9304\u5230eFUSE\u4e2d\uff0c\u6821\u6b63\u51fd\u5f0f\u5c31\u53ef\u4ee5\u5229\u7528\u6676\u7247\u5be6\u969b\u7684Vref\u96fb\u58d3\u88dc\u511fADC\u7684\u6e2c\u91cf\u8aa4\u5dee\uff0c\u5f9e\u800c\u63d0\u9ad8 ADC \u7cbe\u5ea6\u3002\u9019\u500b\u65b9\u6cd5\u9069\u7528\u65bc\u6240\u6709\u57282018\u5e74\u7b2c\u4e00\u5468\u4ee5\u5f8c\u6240\u751f\u7522\u7684\u6676\u7247\uff0c\u57fa\u672c\u4e0a\u76ee\u524d\u5927\u90e8\u5206\u7684ESP32\u90fd\u80fd\u4ee5\u9019\u7a2e\u65b9\u5f0f\u6821\u6b63\uff0c\u66f4\u7cbe\u78ba\u4e00\u4e9b\u53ef\u4ee5\u7531ESP32\u6676\u7247\u4e0a\u9762\u7684\u65e5\u671f\u4ee3\u78bc\uff08\u4e0b\u5716\u4e2d\u7684Date Code\uff09\u8fa8\u5225\uff0c\u6216\u662f\u5411\u7d93\u92b7\u5546\u78ba\u8a8d\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-13.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20628\" width=\"477\" height=\"267\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e94 \u64f7\u53d6\u81ea\u5b98\u65b9\u6587\u4ef6(<a href=\"https:\/\/docs.espressif.com\/projects\/esp-idf\/en\/v4.4.5\/esp32\/api-reference\/peripherals\/adc.html\" target=\"_blank\" rel=\"noreferrer noopener\">v4.4.5<\/a>) ESP32\u6676\u7247\u7684\u6a19\u8a18\u8aaa\u660e\u3002<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u6821\u6b63<\/h3>\n\n\n\n<p>\u7531\u65bc\u539f\u5ee0\u5df2\u7d93\u5e6b\u6211\u5011\u6e2c\u91cf\u597d vref\uff0c\u53ea\u9700\u8981\u547c\u53eb\u539f\u5ee0\u63d0\u4f9b\u7684\u6821\u6b63\u51fd\u5f0f\u5c31\u80fd\u5f97\u5230\u6821\u6b63\u597d\u7684\u7d50\u679c\u3002<\/p>\n\n\n\n<p>\u4e0b\u5716\u662f\u7b46\u8005\u5be6\u6e2c ADC \u96fb\u58d3\u6821\u6b63\u524d\u5f8c\u7684\u7d50\u679c\uff0c\u53ef\u4ee5\u4ee5\u770b\u5230\u6821\u6b63\u5f8c\u7684\u96fb\u58d3\u503c\u57fa\u672c\u4e0a\u76f8\u7576\u63a5\u8fd1\u6a19\u6e96\u96fb\u58d3\uff0c\u4f46\uff08\u5728\u672c\u6b21\u6e2c\u8a66\u4e2d\uff09\u7dda\u6bb5\u5169\u7aef\u4ecd\u7136\u90fd\u6709 120mV \u5de6\u53f3\u7684\u91cf\u6e2c\u6b7b\u9ede\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u6821\u6b63\u5f8c\u7684\u6709\u6548\u7bc4\u570d\u5927\u7d04\u843d\u5728 0.2~3.2V \u4e4b\u9593\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-14.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20629\" width=\"640\" height=\"383\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u516d ADC\u6821\u6b63\u524d\u5f8c\u7684\u96fb\u58d3\u6bd4\u8f03\u7d50\u679c\u3002<\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5be6\u9a57\u8aaa\u660e<\/h3>\n\n\n\n<p>\u7b46\u8005\u672c\u6b21\u5be6\u9a57\u7684\u914d\u7f6e\u662f\u4f7f\u7528\u96fb\u6e90\u4f9b\u61c9\u5668\u505a\u70ba\u5916\u90e8\u8f38\u5165\u6e90\uff0c\u642d\u914d\u684c\u4e0a\u578b\u7cbe\u5bc6\u6578\u4f4d\u96fb\u8868\u7684\u91cf\u6e2c\u503c\u505a\u70ba\u6a19\u6e96\u96fb\u58d3\uff0c\u4ee5 0.1V \u70ba\u4e00\u55ae\u4f4d\uff0c\u6bd4\u8f03 GPIO 36 \u5728\u4e0d\u540c\u6a19\u6e96\u96fb\u58d3\u4e0b ADC \u6821\u6b63\u524d\u5f8c\u7684\u96fb\u58d3\u503c\uff0c\u4e26\u5c07\u5176\u7e6a\u88fd\u6210\u5716\u8868\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/IMG_2061.jpeg\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20630\" width=\"545\" height=\"545\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e03 \u5be6\u9a57\u96fb\u8def\u3002\u4e2d\u9593 0.1uF \u7684\u96fb\u5bb9\u7528\u4f86\u6ffe\u9664\u96dc\u8a0a\u3002<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-15.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20631\" width=\"535\" height=\"402\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u516b \u6a19\u6e96\u96fb\u58d3\u4ee5\u96fb\u8868\u986f\u793a\u7684\u6578\u503c\u70ba\u57fa\u6e96\u3002<\/figcaption><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2023\/10\/image-16.png\" alt=\"ESP32 \u6559\u5b78\u7cfb\u5217(\u516d)\uff1a\u985e\u6bd4\u6578\u4f4d\u8f49\u63db\u5668(ADC)\" class=\"wp-image-20632\" width=\"409\" height=\"67\"\/><figcaption class=\"wp-element-caption\">\u5716\u5341\u4e5d \u5728\u6a19\u6e96\u96fb\u58d3\u70ba 3V \u6642\u7684\u539f\u59cb\u96fb\u58d3\u8207\u6821\u6b63\u96fb\u58d3\u503c\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u7a0b\u5f0f\u78bc<\/p>\n\n\n\n<div style=\"overflow: auto; height: 600px; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/iCShop-Sophie\/06c2ec286e039c5fe50e6929a637abd9.js\"><\/script>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a0b\u5f0f\u78bc\u8aaa\u660e<\/h3>\n\n\n\n<p>\u4e0a\u9762\u7684\u7bc4\u4f8b\u7a0b\u5f0f\u57f7\u884c\u5f8c\u6703\u5728\u5e8f\u5217\u57e0\u76e3\u63a7\u8996\u7a97\u986f\u793aADC\u91cf\u5230\u7684\u539f\u59cb\u96fb\u58d3\u503c\u4ee5\u53ca\u6821\u6b63\u5f8c\u7684\u96fb\u58d3\u503c\uff0c\u5176\u4e2d\u6821\u6b63\u7684\u5167\u5bb9\u90fd\u5beb\u5728ADC_cal()\u9019\u500b\u51fd\u5f0f\u4e2d\uff0c\u5b83\u7684\u529f\u80fd\u662f\u5c07\u539f\u59cbADC\u6578\u503c\u8f49\u63db\u6210\u4fee\u6b63\u5f8c\u7684\u96fb\u58d3\u503c\u3002<\/p>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">esp_adc_cal_characterize<\/mark><\/code> API \u662f\u7531\u5b98\u65b9\u63d0\u4f9b\u7684\u6821\u6b63\u51fd\u5f0f\uff0c\u5b83\u7684\u529f\u80fd\u662f\u5728\u7279\u5b9a\u8870\u6e1b\u689d\u4ef6\u4e0b\uff0c\u4fee\u6b63ADC\u7684\u7279\u6027\uff0c\u4e26\u4ee5 y = coeff<sub>a<\/sub> * x + coeff<sub>b<\/sub>\u7684\u5f62\u5f0f\u751f\u6210 ADC \u96fb\u58d3\u66f2\u7dda\u3002\u5176\u4e2d\uff0c\u53c3\u6578 a\u3001b \u7531\u8870\u6e1b\u503c\u6c7a\u5b9a\u3002<\/p>\n\n\n\n<p>\u51fd\u5f0f\u5b9a\u7fa9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>esp_adc_cal_value_t <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">esp_adc_cal_characterize<\/mark>(adc_unit_t adc_num,\n                                             adc_atten_t atten,\n                                             adc_bits_width_t bit_width,\n                                             uint32_t default_vref,\n                                             esp_adc_cal_characteristics_t *chars);<\/code><\/pre>\n\n\n\n<p>\u7bc4\u4f8b\u7a0b\u5f0f\u4ee5 11dB \u8870\u6e1b\u503c\u300112 \u4f4d\u5143\u89e3\u6790\u5ea6\u6821\u6b63 ADC1\uff0c\u4e26\u5c07\u6821\u6b63\u7d50\u679c\u5132\u5b58\u5728 adc1_chars \u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>esp_adc_cal_characteristics_t adc_chars;\n\nesp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_11, ADC_WIDTH_BIT_12, 1100, &amp;adc_chars);<\/code><\/pre>\n\n\n\n<p>\u6700\u5f8c\u5c07\u539f\u59cb ADC \u6578\u503c\u8207\u6821\u6b63\u5f8c\u7684\u7d50\u679c\u8f49\u63db\u6210\u96fb\u58d3\u56de\u50b3\uff08\u55ae\u4f4d: mV\uff09\uff0c\u5c31\u80fd\u5f97\u5230\u6821\u6b63\u5f8c\u7684\u96fb\u58d3\u503c\u3002<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">return<\/mark>(<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">esp_adc_cal_raw_to_voltage<\/mark>(raw_ADC, &amp;adc_chars));<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u662f\u57fa\u672c\u7684\u6821\u6b63\u7a0b\u5f0f\u3002\u60f3\u4e86\u89e3\u5982\u4f55\u66f4\u9032\u4e00\u6b65\u6821\u6b63\u7684\u8b80\u8005\u53ef\u4ee5\u53c3\u8003<a href=\"https:\/\/youtu.be\/mzlq65fr3uI\">\u9019\u652f<\/a>\u5f71\u7247\uff0c\u4ee5\u53ca\u8aaa\u660e\u6b04\u4e2dGithub\u5c08\u6848\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n\n\n\n<p>\u5b83\u7684\u6d41\u7a0b\u548c\u6982\u5ff5\u8207\u4e0a\u9762\u7684\u7bc4\u4f8b\u7a0b\u5f0f\u76f8\u540c\uff0c\u53ea\u662f\u5f71\u7247\u4f5c\u8005\u5728\u6821\u6b63\u904e\u7a0b\u4e2d\u9084\u53e6\u5916\u52a0\u4e0a\u53ef\u8abf\u6574\u7684\u53c3\u6578\uff0c\u8abf\u6574\u6b64\u53c3\u6578\u5c31\u66f4\u9032\u4e00\u6b65\u7684\u6539\u5584\u6821\u6b63\u5f8c\u7684\u96fb\u58d3\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001ADC \u7684\u9650\u5236<\/h2>\n\n\n\n<p>\u7e3d\u7d50\u4e00\u4e0b ESP32 \u7684 ADC \u9650\u5236\uff1a<\/p>\n\n\n\n<ul>\n<li>\u7121\u6cd5\u76f4\u63a5\u6e2c\u91cf\u5927\u65bc 3.3V \u7684\u96fb\u58d3\uff0c\u4f46\u5982\u679c\u8981\u6e2c\u91cf\u66f4\u9ad8\u7684\u96fb\u58d3\u503c\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u5206\u58d3\u6216\u662f\u96fb\u58d3\u6e96\u4f4d\u8f49\u63db\u7b49\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>\u958b\u555f Wi-Fi \u529f\u80fd\u5f8c\uff0c\u7121\u6cd5\u4f7f\u7528 ADC2\uff0c\u53ea\u80fd\u4f7f\u7528 ADC1 \u3002<\/li>\n\n\n\n<li>ADC \u5177\u6709\u975e\u7dda\u6027\u7684\u539f\u59cb\u91cf\u6e2c\u503c\uff0c\u96d6\u7136\u975e\u7dda\u6027\u554f\u984c\u7d93\u904e\u6821\u6b63\u4ee5\u5f8c\u53ef\u4ee5\u7372\u5f97\u6539\u5584\uff0c\u4f46\u5728\u66f2\u7dda\u5169\u7aef\u4ecd\u7136\u5404\u6709\u4e00\u6bb5\u96fb\u58d3\u5340\u9593\u7121\u6cd5\u88ab ADC \u91cf\u6e2c\uff0c\u53ef\u7528\u6027\u4ecd\u7136\u4e0d\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u5c0f\u7d50<\/h2>\n\n\n\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u4ec0\u9ebc\u662f ADC\u3001ESP32 ADC \u7684\u554f\u984c\u8207\u6821\u6b63\u7684\u65b9\u6cd5\uff0c\u4e26\u4e14\u900f\u904e\u5169\u500b\u7bc4\u4f8b\u4f86\u77ad\u89e3 ADC \u7684\u7528\u6cd5\u3002\u6709\u8208\u8da3\u7684\u8b80\u8005\u53ef\u4ee5\u5ef6\u4f38\u7bc4\u4f8b2 \u7684\u5167\u5bb9\uff0c\u4f7f\u7528 3\u9846\u53ef\u8b8a\u96fb\u963b\u8abf\u6574 RGB \u6578\u503c\uff0c\u6216\u662f\u7d50\u5408\u524d\u4e00\u7bc7\u63d0\u5230\u7684 PWM\uff0c\u8b93\u71c8\u74b0\u986f\u793a\u5f69\u8272\u547c\u5438\u71c8\u3002<\/p>\n\n\n\n<p>\u7d9c\u5408\u4e0a\u9762\u7684\u6e2c\u8a66\uff0cESP32 \u7684 ADC \u6bd4\u8f03\u9069\u5408\u4e0d\u8981\u6c42\u6e2c\u91cf\u7cbe\u5ea6\uff0c\u6216\u662f\u53ea\u9700\u8981\u6e2c\u91cf\u76f8\u5c0d\u503c\u7684\u5834\u5408\u3002\u82e5\u5c08\u6848\u5c0d\u65bc ADC \u7cbe\u5ea6\u6709\u6240\u8981\u6c42\uff0c\u7b46\u8005\u4f9d\u7136\u5efa\u8b70\u4f7f\u7528\u5c08\u9580\u7684\u6676\u7247\uff0c\u53ef\u4ee5\u7701\u53bb\u6821\u6b63\u8207\u88dc\u511f\u7684\u9ebb\u7169\uff0c\u540c\u6642\u4e5f\u80fd\u5920\u5f97\u5230\u66f4\u7406\u60f3\u7684\u8f49\u63db\u7d50\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e0a\u4e00\u7bc7\u300cESP32\u6559\u5b78\u7cfb\u5217(\u4e94)\uff1a\u6578\u4f4d\u8108\u885d\u5bec\u5ea6\u8abf\u8b8a(PWM)\u300d\u6211\u5011\u5b78\u5230\u4e86PWM\u6578\u4f4d\u8f38\u51fa\u7684\u9032\u968e\u7528\u6cd5\uff0c\u9019\u4e00\u7bc7\u8981\u4f86\u8aaa\u660e\u6578\u4f4d\u8f38\u5165\u7684\u9032\u968e\u7528\u6cd5\u2014ADC\u3002<\/p>\n","protected":false},"author":1,"featured_media":20682,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[235,238],"tags":[],"table_tags":[],"_links":{"self":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/20614"}],"collection":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/comments?post=20614"}],"version-history":[{"count":9,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/20614\/revisions"}],"predecessor-version":[{"id":20715,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/20614\/revisions\/20715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/media\/20682"}],"wp:attachment":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/media?parent=20614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/categories?post=20614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/tags?post=20614"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/table_tags?post=20614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}