{"id":1038,"date":"2025-02-02T12:12:25","date_gmt":"2025-02-02T12:12:25","guid":{"rendered":"https:\/\/iothook.com\/?p=1038"},"modified":"2025-04-05T11:15:57","modified_gmt":"2025-04-05T11:15:57","slug":"esp32-s2fn4r2-s2-mini-pinout","status":"publish","type":"post","link":"https:\/\/iothook.com\/en\/esp32-s2fn4r2-s2-mini-pinout\/","title":{"rendered":"ESP32-S2FN4R2 S2 Mini Pinout"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">ESP32 S2 Mini is a development board with a Wifi chip on it. You can write programs with Arduino IDE or ESP-IDF.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Most of the ESP32 S2 Minis on the market have version 1.0. To upload a program to the ESP32 S2 Mini, you need to press the BOOT and RESET buttons on it in order. The programming socket of the ESP32 S2 Mini is TYPE-C.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">General Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ESP32-S2FN4R2 WIFI IC<\/li>\n\n\n\n<li>TYPE-C USB<\/li>\n\n\n\n<li>4MB Flash<\/li>\n\n\n\n<li>2MB PSRAM<\/li>\n\n\n\n<li>ADC, DAC, I2C, SPI, UART, USB OTG<\/li>\n\n\n\n<li>Compatible with MicroPython, Arduino and ESP-IDF<\/li>\n\n\n\n<li>LOLIN D1 mini compatible<\/li>\n\n\n\n<li>Compatible: MicroPython, Arduino, CircuitPython and ESP-IDF<\/li>\n\n\n\n<li>Default firmware: MicroPython<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Specifications<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Working Voltage<\/td><td>3.3V<\/td><\/tr><tr><td>Digital I\/O Pins<\/td><td>27<\/td><\/tr><tr><td>Clock Frequency<\/td><td>240MHZ<\/td><\/tr><tr><td>Flash<\/td><td>4M Bytes<\/td><\/tr><tr><td>PSRAM<\/td><td>2M Bytes<\/td><\/tr><tr><td>Dimensions<\/td><td>34.3*25.4mm<\/td><\/tr><tr><td>Weight<\/td><td>2.4gr<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pins<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"645\" src=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-1024x645.jpeg\" alt=\"ESP32-S2FN4R2 S2 Mini Pinout\" class=\"wp-image-1039\" srcset=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-1024x645.jpeg 1024w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-300x189.jpeg 300w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-768x484.jpeg 768w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-1536x967.jpeg 1536w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout-18x12.jpeg 18w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/ESP32-S2FN4R2-S2-Mini-Pinout.jpeg 1728w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">ESP32-S2FN4R2 S2 Mini Pinout<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-1024x1024.jpg\" alt=\"\" class=\"wp-image-1040\" srcset=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-1024x1024.jpg 1024w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-300x300.jpg 300w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-150x150.jpg 150w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-768x768.jpg 768w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-1536x1536.jpg 1536w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1-12x12.jpg 12w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-1.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-1024x1024.jpg\" alt=\"\" class=\"wp-image-1042\" srcset=\"https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-1024x1024.jpg 1024w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-300x300.jpg 300w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-150x150.jpg 150w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-768x768.jpg 768w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-1536x1536.jpg 1536w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2-12x12.jpg 12w, https:\/\/iothook.com\/wp-content\/uploads\/2025\/02\/esp32-s2-mini-pinout-2.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Example LED Blink Code<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\nconst int led = 15; \/\/ ESP32 S2 Mini LED PIN 15\n\nvoid setup() {\n  pinMode(led, OUTPUT);\n}\n\nvoid loop() {\n  digitalWrite(led, HIGH);  \n  delay(1000);                     \n  digitalWrite(led, LOW);  \n  delay(1000);                  \n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Most of the ESP32 S2 Minis on the market have version 1.0. To upload a program to the ESP32 S2 Mini, you need to press the BOOT and RESET buttons on it in order. The programming socket of the ESP32 S2 Mini is TYPE-C.<\/p>\n","protected":false},"author":1,"featured_media":1039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,37],"tags":[45,43],"class_list":["post-1038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot","category-mqtt","tag-esp","tag-esp32-s2-mini"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Most of the ESP32 S2 Minis on the market have version 1.0. To upload a program to the ESP32 S2 Mini, you need to press the BOOT and RESET buttons on it in order. 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To upload a program to the ESP32 S2 Mini, you need to press the BOOT and RESET buttons on it in order. The programming socket of the ESP32 S2 Mini is TYPE-C.","og:url":"https:\/\/iothook.com\/en\/esp32-s2fn4r2-s2-mini-pinout\/","og:image":"https:\/\/iothook.com\/wp-content\/uploads\/2025\/01\/cropped-slider.png","og:image:secure_url":"https:\/\/iothook.com\/wp-content\/uploads\/2025\/01\/cropped-slider.png","og:image:width":512,"og:image:height":512,"article:published_time":"2025-02-02T12:12:25+00:00","article:modified_time":"2025-04-05T11:15:57+00:00","article:publisher":"https:\/\/www.facebook.com\/iothook","twitter:card":"summary_large_image","twitter:site":"@iothook","twitter:title":"ESP32-S2FN4R2 S2 Mini Pinout - IoThook","twitter:description":"Most of the ESP32 S2 Minis on the market have version 1.0. To upload a program to the ESP32 S2 Mini, you need to press the BOOT and RESET buttons on it in order. 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