{"id":208,"date":"2026-01-06T11:21:27","date_gmt":"2026-01-06T03:21:27","guid":{"rendered":"http:\/\/bluespider.top\/?p=208"},"modified":"2026-01-06T12:52:57","modified_gmt":"2026-01-06T04:52:57","slug":"esp32s3%e6%a0%b8%e5%bf%83%e7%9a%84%e7%94%b5%e6%8e%a7%e9%a9%b1%e5%8a%a8%e6%9d%bf%e8%ae%be%e8%ae%a1%e6%9b%b4%e6%96%b0%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"http:\/\/bluespider.top\/?p=208","title":{"rendered":"ESP32S3\u6838\u5fc3\u7684\u7535\u63a7\u9a71\u52a8\u677f\u8bbe\u8ba1\u66f4\u65b0\u8bb0\u5f55"},"content":{"rendered":"

1. PSRAM\u65e0\u6cd5\u52a0\u8f7d<\/h2>\n

\u5728arduino\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u5982\u679c\u4e0d\u4f7f\u7528psram\uff0c\u5219\u53ef\u4ee5\u6b63\u5e38\u4e0a\u4f20\uff0c\u4f46\u662f\u5982\u679c\u542f\u7528psram\uff0c\u5219\u4f1a\u62a5\u9519\uff0c\u7a0b\u5e8f\u4e0d\u542f\u52a8\u3002\u540c\u6837\u7a0b\u5e8f\u4ece\u4f18\u4fe1\u8d2d\u4e70\u7684\u6838\u5fc3\u677f\u5c31\u53ef\u4ee5\u6b63\u5e38\u542f\u52a8\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a\u95ee\u9898\u539f\u56e0\u8fd8\u4e0d\u6e05\u695a\uff0c\u63a8\u6d4b\u662f3.3V\u4f9b\u7535\u7535\u8def\u6ca1\u753b\u597d\uff0cAMS1117\u76843.3V\u7535\u5bb9\u592a\u5c0f\uff0c\u540e\u7eed\u6539\u4e3a100uF\u7684\u94bd\u7535\u5bb9\u3002<\/p>\n

2. \u611a\u8822\u7684ADC128S\u7684MISO\u548cMOSI\u753b\u53cd\u3002\u3002\u3002<\/h2>\n

\u8fd9\u4e2a\u5c31\u4e0d\u8d58\u8ff0\u4e86\u3002\u3002\u5f88\u8822\u3002
\n\u89e3\u51b3\u65b9\u6848\uff1a\u8fd9\u4e2a\u7535\u8def\u540e\u7eed\u53ef\u4ee5\u8003\u8651\u52a0\u51651×4 pin\u6d4b\u8bd5\u70b9\uff0c\u53ef\u4ee5\u7528\u903b\u8f91\u5206\u6790\u4eea\u6d4b\u8bd5\u901a\u4fe1\u534f\u8bae\u3002
\n\"\"<\/p>\n

3.ESP32S3\u7684ADC\u91c7\u6837\u7aef\u53e3\u5206\u914d<\/h2>\n

\u6839\u636e\u6d4b\u8bd5\u7ed3\u679c\uff0c\u4f7f\u7528esp32-arduino v3\u7248\u672c\u7684\u5e93\uff0c\u4e00\u4e2aanalogread\u8981\u82b1\u638950us,
\n\u5bf9\u4e8e\u7535\u673a\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4e24\u76f8\u7535\u6d41\u91c7\u6837\u548c\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\u91c7\u6837\u662f\u5fc5\u987b\u7684\uff0c\u8fd9\u6837\u81f3\u5c11\u8981150us\u7684\u91c7\u6837\u65f6\u95f4\uff0c\u8fd9\u610f\u5473\u4e3b\u63a7\u7a0b\u5e8f\u53ef\u4ee5\u8fde5kHz\u7684\u9891\u7387\u90fd\u65e0\u6cd5\u8fbe\u5230\uff08200us\uff09\uff0c\u8fd9\u5b8c\u5168\u65e0\u6cd5\u63a5\u53d7\u3002<\/p>\n

\u5982\u679c\u4f7f\u7528analogContinuousRead\uff0c\u53ef\u4ee5\u4f7f\u5f97\u5355\u901a\u9053\u7684\u91c7\u6837\u65f6\u95f4\u51cf\u5c0f\u4e3a20us\uff0c\u52c9\u5f3a\u53ef\u4ee5\u63a5\u53d7\u3002\u7136\u800canalogContinousRead\u4f7f\u7528\u4e86DMA\u673a\u5236\uff0c\u4f46esp32s3\u7684adc\u6a21\u5757\u53ea\u6709adc1\u662f\u652f\u6301DMA\u7684\uff0c\u8fd9\u610f\u5473\u7740\u82e5\u8981\u4f7f\u7528analogContinousRead\u65b9\u6cd5\uff0c\u91c7\u6837\u7aef\u53e3\u5e94\u5206\u914d\u81f3GPIO0-GPIO10\u4e4b\u95f4\uff0c\u9664\u6389GPIO0,GPIO3\u8fd9\u4e24\u4e2a\u548cboot\u6709\u5173\u7684\u5f15\u811a\uff0c\u5269\u4f59\u5f15\u811a\u53ef\u5206\u914d\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a\u5c06i2c\u5f15\u811a\u4ece8\uff0c9\u79fb\u9664\uff0c\u66ff\u6362\u4e3aADC\u5f15\u811a\u3002
\nADC\u76f4\u63a5\u91c7\u6837\u5206\u4e3a\u4e24\u7ec4\uff0c
\n1. \u7535\u673a\u9a71\u52a8\u91c7\u6837\uff1a\u7535\u6d41x2+\u76f4\u6d41\u6bcd\u7ebfx1
\n2. \u5e76\u7f51\u91c7\u6837\uff1a\u4e09\u76f8\u7535\u538bx3
\n3. \u6307\u4ee4\u65cb\u94ae\u91c7\u6837\uff1ax1
\n\u6700\u591a7\u8def\uff0c\u6700\u591a\u91c7\u6837\u65f6\u95f4\u4e3a140us\uff0c\u53ef\u4ee5\u652f\u63012kHz\u4e2d\u65ad\u3002\uff08\u611f\u89c9\u8fd8\u662f\u592a\u6162\uff0c\u6240\u4ee5\u9700\u8981ADC\u82af\u7247\uff0c\u6216\u8005\u540e\u671f\u4f7f\u7528esp-idf\u7f16\u7a0b\uff0c\u4ece\u4ee3\u7801\u5c42\u9762\u52a0\u901f\u91c7\u6837\uff09\u3002<\/p>\n

4.ADC\u524d\u7aef\u7684\u91c7\u6837\u82af\u7247\u9009\u578b\u4e0d\u5408\u7406<\/h2>\n

\u9009\u578b\u7684LMV621\u6027\u80fd\u592a\u5dee\uff0c\u5728\u504f\u7f6e\u7535\u538b\u3001\u504f\u7f6e\u7535\u6d41\u3001\u5e26\u5bbd\u65b9\u9762\u90fd\u8fdc\u8fdc\u4e0d\u5982cos8552\u7cfb\u5217\u3002\u9700\u8981\u505a\u66ff\u6362\u3002<\/p>\n

5.EN\u7535\u8def\u4e0d\u5bf9\uff0c\u9700\u8981\u4e0a\u62c9<\/h2>\n

6. \u7535\u6e90\u6307\u793a\u706f\u4e0d\u5168<\/h2>\n

7. ADC\u6d4b\u8bd5\u4e0d\u65b9\u4fbf<\/h2>\n

\u63a5\u53e3\u7535\u8def\u5e94\u8865\u5145\u6d4b\u8bd5\u8df3\u9488\uff0c\u4f7f\u7528\u7535\u4f4d\u5668\u7535\u8def\u6d4b\u5b9a\u5404\u4e2aADC\u901a\u9053\u662f\u5426\u6b63\u5e38<\/p>\n

8. \u7535\u6e90\u7535\u8def\u5916\u7f6e<\/h2>\n

\u53ef\u4ee5\u5c06\u7535\u6e90\u7535\u8def\u5916\u7f6e\uff0c\u8282\u7701\u7a7a\u95f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

1. PSRAM\u65e0\u6cd5\u52a0\u8f7d \u5728arduino\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u5982\u679c\u4e0d\u4f7f\u7528psram\uff0c\u5219\u53ef\u4ee5\u6b63\u5e38\u4e0a\u4f20\uff0c\u4f46\u662f\u5982\u679c\u542f\u7528psra […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,17,18],"tags":[36],"class_list":["post-208","post","type-post","status-publish","format-standard","hentry","category-motor-course","category-pcb","category-undergraduate_competition","tag-esp32s3"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/posts\/208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/bluespider.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=208"}],"version-history":[{"count":5,"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/posts\/208\/revisions"}],"predecessor-version":[{"id":214,"href":"http:\/\/bluespider.top\/index.php?rest_route=\/wp\/v2\/posts\/208\/revisions\/214"}],"wp:attachment":[{"href":"http:\/\/bluespider.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bluespider.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=208"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bluespider.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}