{"id":101817,"date":"2025-03-06T09:59:37","date_gmt":"2025-03-06T01:59:37","guid":{"rendered":"\/\/www.viralrail.com\/?p=101817"},"modified":"2025-03-06T09:59:41","modified_gmt":"2025-03-06T01:59:41","slug":"eheqb-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/101817.html","title":{"rendered":"ESP32\u548cESP32-S2\u533a\u522b"},"content":{"rendered":"\n

\u3000\u3000ESP32\u548cESP32-S2<\/strong>\u662f\u4e50\u946b\u79d1\u6280\u63a8\u51fa\u7684\u4e24\u6b3e\u5fae\u63a7\u5236\u5668\uff0c\u4e3b\u8981\u533a\u522b\u5728\u4e8eESP32-S2\u662fESP32\u7684\u5355\u6838\u5347\u7ea7\u7248\uff0c\u53bb\u6389\u4e86\u539f\u6709\u7684\u53cc\u6838\u67b6\u6784\uff0c\u91c7\u7528\u5355\u6838Xtensa LX7\u5904\u7406\u5668\uff0c\u4e13\u6ce8\u4e8e\u63d0\u5347I\/O\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002ESP32-S2\u589e\u52a0\u4e86\u66f4\u591a\u7684GPIO\u5f15\u811a\u548cUSB\u652f\u6301\uff0c\u66f4\u9002\u5408\u9700\u8981\u4e30\u5bcc\u5916\u8bbe\u63a5\u53e3\u7684\u5e94\u7528\u573a\u666f\u3002\u6b64\u5916\uff0cESP32-S2\u96c6\u6210\u4e86\u786c\u4ef6\u5b89\u5168\u6a21\u5757(HSM)\uff0c\u589e\u5f3a\u4e86\u6570\u636e\u52a0\u5bc6\u548c\u5b89\u5168\u542f\u52a8\u529f\u80fd\uff0c\u800cESP32\u5219\u4f9d\u8d56\u8f6f\u4ef6\u5b9e\u73b0\u5b89\u5168\u529f\u80fd\u3002\u5728\u65e0\u7ebf\u901a\u4fe1\u65b9\u9762\uff0cESP32-S2\u4ec5\u652f\u6301Wi-Fi\uff0c\u800cESP32\u540c\u65f6\u652f\u6301Wi-Fi\u548c\u84dd\u7259\u3002\u603b\u4f53\u800c\u8a00\uff0cESP32-S2\u66f4\u9002\u5408\u5bf9I\/O\u6269\u5c55\u548c\u5b89\u5168\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\uff0c\u800cESP32\u5219\u66f4\u9002\u5408\u9700\u8981\u84dd\u7259\u548c\u53cc\u6838\u5904\u7406\u80fd\u529b\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001\u6838\u5fc3\u786c\u4ef6\u5dee\u5f02<\/h2>\n\n\n\n

\u3000\u3000\u5904\u7406\u5668\u67b6\u6784<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u642d\u8f7d\u53cc\u6838Xtensa LX6 32\u4f4d\u5904\u7406\u5668(\u90e8\u5206\u578b\u53f7\u4e3a\u5355\u6838)\uff0c\u4e3b\u9891\u6700\u9ad8240 MHz\uff0c\u652f\u6301\u54c8\u4f5b\u67b6\u6784\u548cDSP\u6307\u4ee4\u96c6\uff0c\u5904\u7406\u6027\u80fd\u9ad8\u8fbe600 DMIPS\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1a\u91c7\u7528\u5355\u6838Xtensa LX7 32\u4f4d\u5904\u7406\u5668\uff0c\u4e3b\u9891\u540c\u4e3a240 MHz\uff0c\u4f46\u4ec5\u652f\u6301\u5355\u6838\u8fd0\u884c\uff0c\u6027\u80fd\u7565\u4f4e\u4e8e\u53cc\u6838ESP32.<\/p>\n\n\n\n

\u3000\u3000\u5185\u5b58\u914d\u7f6e<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u5185\u7f6e520 KB SRAM\u548c448 KB ROM\uff0c\u652f\u6301\u6700\u592716 MB\u5916\u90e8Flash\u548c8 MB\u7247\u5916RAM\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1a\u5185\u7f6e320 KB SRAM\u548c128 KB ROM\uff0c\u652f\u6301\u66f4\u5927\u5bb9\u91cf\u7684\u5916\u90e8\u5b58\u50a8(\u6700\u9ad81 GB Flash\u548c1 GB\u7247\u5916RAM)\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u65e0\u7ebf\u901a\u4fe1\u529f\u80fd<\/h2>\n\n\n\n

\u3000\u3000Wi-Fi\u652f\u6301<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e24\u8005\u5747\u652f\u6301802.11 b\/g\/n\u534f\u8bae(2.4 GHz\u9891\u6bb5)\uff0c\u4f46ESP32-S2<\/strong>\u4f18\u5316\u4e86\u5c04\u9891\u6027\u80fd\uff0c\u652f\u6301802.11mc FTM(\u7cbe\u786e\u65f6\u95f4\u6d4b\u91cf)\uff0c\u63d0\u5347\u5b9a\u4f4d\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u84dd\u7259\u652f\u6301<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u96c6\u6210\u84dd\u72594.2 BR\/EDR\u548cBLE(\u4f4e\u529f\u8017\u84dd\u7259)\uff0c\u9002\u7528\u4e8e\u9700\u8981\u84dd\u7259\u8fde\u63a5\u7684\u5e94\u7528(\u5982\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907)\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1a\u65e0\u84dd\u7259\u529f\u80fd<\/strong>\uff0c\u4ec5\u652f\u6301Wi-Fi\uff0c\u9650\u5236\u4e86\u5176\u5728\u84dd\u7259\u573a\u666f\u7684\u9002\u7528\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u5916\u8bbe\u63a5\u53e3\u5bf9\u6bd4<\/h2>\n\n\n\n

\u3000\u3000GPIO\u4e0e\u4f20\u611f\u5668<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u63d0\u4f9b34\u4e2a\u53ef\u7f16\u7a0bGPIO\u300110\u4e2a\u7535\u5bb9\u5f0f\u89e6\u6478\u4f20\u611f\u5668\u30012\u4e2a8\u4f4dDAC\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1aGPIO\u6570\u91cf\u589e\u81f343\u4e2a\uff0c\u89e6\u6478\u4f20\u611f\u5668\u6269\u5c55\u81f314\u4e2a\uff0c\u5e76\u96c6\u6210\u6e29\u5ea6\u4f20\u611f\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e13\u7528\u63a5\u53e3<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\u65b0\u589e\u4ee5\u4e0b\u63a5\u53e3\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5168\u901fUSB OTG<\/strong>\uff1a\u652f\u6301\u76f4\u63a5\u8fde\u63a5USB\u8bbe\u5907(\u5982\u6444\u50cf\u5934\u3001\u5b58\u50a8\u8bbe\u5907)\u3002<\/p>\n\n\n\n

\u3000\u3000LCD\/Camera\u63a5\u53e3<\/strong>\uff1a\u539f\u751f\u652f\u63018\/16\u4f4d\u5e76\u884cLCD\u548cDVP\u6444\u50cf\u5934\uff0c\u9002\u7528\u4e8e\u4eba\u673a\u4ea4\u4e92(HMI)\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u65e0USB OTG\uff0c\u4f46\u63d0\u4f9b\u66f4\u591aPWM\u901a\u9053(16 vs. 10)\u548cI2S\u63a5\u53e3(2 vs. 1)\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u529f\u8017\u4e0e\u7535\u6e90\u7ba1\u7406<\/h2>\n\n\n\n

\u3000\u3000\u529f\u8017\u8868\u73b0<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u6700\u5927\u529f\u8017150 mA\uff0c\u9002\u5408\u9ad8\u6027\u80fd\u573a\u666f\u4f46\u80fd\u8017\u8f83\u9ad8\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1a\u6700\u5927\u529f\u8017\u964d\u81f380 mA\uff0c\u5e76\u652f\u6301\u591a\u79cd\u4f4e\u529f\u8017\u6a21\u5f0f\uff1a<\/p>\n\n\n\n

\u3000\u3000ULP\u534f\u5904\u7406\u5668<\/strong>\uff1a\u5728\u6df1\u5ea6\u7761\u7720\u6a21\u5f0f\u4e0b\u4ec5\u6d88\u801722 \u03bcA(\u89e6\u6478\u4f20\u611f\u5668\u4ee51%\u5360\u7a7a\u6bd4\u8fd0\u884c)\u3002<\/p>\n\n\n\n

\u3000\u3000\u52a8\u6001\u7535\u538b\u8c03\u8282<\/strong>\uff1a\u4f18\u5316\u5c04\u9891\u529f\u7387\u8f93\u51fa\uff0c\u5e73\u8861\u901a\u4fe1\u8ddd\u79bb\u4e0e\u80fd\u8017\u3002<\/p>\n\n\n\n

\u3000\u3000\u7535\u6e90\u7ba1\u7406\u6a21\u5f0f<\/strong><\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\u63d0\u4f9b5\u79cd\u9884\u8bbe\u7535\u6e90\u6a21\u5f0f\uff0c\u652f\u6301\u5feb\u901f\u5524\u9192(RTC\u542f\u52a8)\u548c\u7cbe\u7ec6\u65f6\u949f\u95e8\u63a7\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u5b89\u5168\u7279\u6027<\/h2>\n\n\n\n

\u3000\u3000ESP32<\/strong>\uff1a\u652f\u6301\u5b89\u5168\u542f\u52a8\u3001Flash\u52a0\u5bc6\u3001AES\/SHA\/RSA\u786c\u4ef6\u52a0\u901f\u3002<\/p>\n\n\n\n

\u3000\u3000ESP32-S2<\/strong>\uff1a\u589e\u5f3a\u5b89\u5168\u673a\u5236\uff0c\u65b0\u589eHMAC\u3001\u6570\u5b57\u7b7e\u540d\u6a21\u5757\u548c4096\u4f4dOTP\uff0c\u63d0\u4f9b\u66f4\u4e25\u683c\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u516d\u3001\u8f6f\u4ef6\u751f\u6001\u517c\u5bb9\u6027<\/h2>\n\n\n\n

\u3000\u3000\u5f00\u53d1\u6846\u67b6<\/strong>\uff1a\u4e24\u8005\u5747\u57fa\u4e8eESP-IDF\uff0c\u4f46ESP32-S2<\/strong>\u9700\u4f7f\u7528v4.2\u53ca\u4ee5\u4e0a\u7248\u672c\uff0c\u4e14\u90e8\u5206API\u9700\u9002\u914d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5de5\u5177\u94fe\u5dee\u5f02<\/strong>\uff1aESP32-S2\u7684esptool\u9700v3.0+\uff0c\u4e0e\u65e7\u7248ESP32\u4e0d\u517c\u5bb9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e03\u3001\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n
\u573a\u666f<\/strong><\/th>ESP32\u4f18\u52bf<\/strong><\/th>ESP32-S2\u4f18\u52bf<\/strong><\/th><\/tr><\/thead>
\u667a\u80fd\u5bb6\u5c45\u63a7\u5236<\/td>\u53cc\u6838\u5904\u7406+\u84dd\u7259\u652f\u6301\uff08\u5982\u8bed\u97f3\u52a9\u624b\uff09<\/td>\u4f4e\u529f\u8017+\u89e6\u6478\u4f20\u611f\u5668\uff08\u5982\u89e6\u63a7\u9762\u677f\uff09<\/td><\/tr>
\u5de5\u4e1a\u81ea\u52a8\u5316<\/td>\u591a\u5916\u8bbe\u652f\u6301\uff08CAN\u603b\u7ebf\u3001\u4ee5\u592a\u7f51MAC\uff09<\/td>USB OTG\u8fde\u63a5\u5de5\u4e1a\u76f8\u673a\u6216\u626b\u7801\u67aa<\/td><\/tr>
\u53ef\u7a7f\u6234\u8bbe\u5907<\/td>\u84dd\u7259\u6570\u636e\u4f20\u8f93\uff08\u5982\u5065\u5eb7\u76d1\u6d4b\uff09<\/td>\u8d85\u4f4e\u529f\u8017+\u5c0f\u5c3a\u5bf8\uff08\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff09<\/td><\/tr>
\u5b89\u9632\u7cfb\u7edf<\/td>\u9ad8\u6027\u80fd\u52a0\u5bc6\uff08AES\/RSA\uff09<\/td>\u589e\u5f3a\u5b89\u5168\u7279\u6027\uff08\u6570\u5b57\u7b7e\u540d+OTP\uff09<\/td><\/tr>
HMI\u8bbe\u5907<\/td>\u65e0<\/td>\u539f\u751fLCD\/Camera\u63a5\u53e3\uff08\u5982\u4ea4\u4e92\u5f0f\u7ec8\u7aef\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u3000\u3000\u516b\u3001\u603b\u7ed3\u4e0e\u9009\u578b\u5efa\u8bae<\/h2>\n\n\n\n

\u3000\u3000\u9009\u62e9ESP32\u7684\u60c5\u51b5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u9700\u8981\u53cc\u6838\u6027\u80fd\u3001\u84dd\u7259\u529f\u80fd\u3001\u66f4\u591a\u5185\u5b58\u6216\u590d\u6742\u5916\u8bbe(\u5982CAN\u603b\u7ebf)\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u573a\u666f\uff1a\u667a\u80fd\u5bb6\u5c45\u4e2d\u67a2\u3001\u84dd\u7259\u7a7f\u6234\u8bbe\u5907\u3001\u591a\u4efb\u52a1\u5904\u7406\u7cfb\u7edf\u3002<\/p>\n\n\n\n

\u3000\u3000\u9009\u62e9ESP32-S2\u7684\u60c5\u51b5<\/strong>\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5f3a\u8c03\u4f4e\u529f\u8017\u3001USB\/Camera\u63a5\u53e3\u3001\u89e6\u6478\u4ea4\u4e92\u6216\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u573a\u666f\uff1a\u7535\u6c60\u4f9b\u7535\u4f20\u611f\u5668\u3001\u89e6\u63a7\u8bbe\u5907\u3001\u5b89\u9632\u7ec8\u7aef\u3001\u5de5\u4e1aHMI\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e24\u8005\u5728\u7269\u8054\u7f51\u9886\u57df\u4e92\u8865\uff0c\u9009\u578b\u9700\u6839\u636e\u5177\u4f53\u9700\u6c42\u6743\u8861\u6027\u80fd\u3001\u529f\u80fd\u4e0e\u80fd\u8017\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

ESP32\u548cESP32-S2\u662f\u4e50\u946b\u79d1\u6280\u63a8\u51fa\u7684\u4e24\u6b3e\u5fae\u63a7\u5236\u5668\uff0c\u4e3b\u8981\u533a\u522b\u5728\u4e8eESP32-S2\u662fESP32\u7684\u5355\u6838\u5347\u7ea7\u7248\uff0c\u53bb\u6389\u4e86\u539f\u6709\u7684\u53cc\u6838\u67b6\u6784\uff0c\u91c7\u7528\u5355\u6838Xtensa LX7\u5904\u7406\u5668\uff0c\u4e13\u6ce8\u4e8e\u63d0\u5347I\/O\u6027\u80fd\u548c\u5b89\u5168\u6027<\/p>\n","protected":false},"author":1,"featured_media":99652,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[322],"class_list":["post-101817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-esp32"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/101817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=101817"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/101817\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/99652"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=101817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=101817"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=101817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}