{"id":52390,"date":"2017-04-09T16:52:48","date_gmt":"2017-04-09T15:52:48","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=52390"},"modified":"2026-10-19T15:43:30","modified_gmt":"2026-10-19T15:43:30","slug":"module-lecteur-carte-sd","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/module-lecteur-carte-sd\/","title":{"rendered":"MicroSD Card Reader Module"},"content":{"rendered":"<h2>MicroSD Card Reader Module<\/h2>\n<p>This SD card reader module reads and writes data on a MicroSD card through an SPI interface. It is compatible with MCU systems and can be used directly with the Arduino IDE.<\/p>\n<h4>Detailed Specifications<\/h4>\n<ul>\n<li><strong>Compatibility<\/strong>: MicroSD and MicroSDHC cards (high speed)<\/li>\n<li><strong>Interface<\/strong>: Level conversion for 5V or 3.3V interfaces<\/li>\n<li><strong>Power supply<\/strong>: 4.5V\u20135.5V, with an integrated voltage regulator<\/li>\n<li><strong>Communication interface<\/strong>: Standard SPI<\/li>\n<li><strong>Mounting<\/strong>: Four M2 positioning holes for easy installation<\/li>\n<\/ul>\n<h4>Operation<\/h4>\n<p>The module communicates with a microcontroller over SPI to read and write data on a MicroSD card. It supports standard file systems, making it easy to integrate into a range of electronic projects.<\/p>\n<h4>Applications<\/h4>\n<ul>\n<li><strong>Data storage<\/strong>: Recording data in sensor or data-logging projects.<\/li>\n<li><strong>Embedded systems<\/strong>: External storage for embedded systems.<\/li>\n<li><strong>Arduino projects<\/strong>: Suitable for projects requiring mass storage.<\/li>\n<\/ul>\n<h4>How to Use It with an Arduino Uno<\/h4>\n<p>You will need:<\/p>\n<ul>\n<li>1 x SD card reader module<\/li>\n<li>1 x Arduino Uno<\/li>\n<li>Connecting wires<\/li>\n<li>Breadboard<\/li>\n<\/ul>\n<p><strong>Wiring instructions<\/strong>:<\/p>\n<ol>\n<li><strong>Power the module<\/strong>: Connect VCC to the Arduino 5V pin and GND to Arduino GND.<\/li>\n<li><strong>SPI connection<\/strong>: Connect CS, MOSI, MISO, and SCK to the corresponding Arduino pins (for example, CS to pin 10, MOSI to pin 11, MISO to pin 12, and SCK to pin 13).<\/li>\n<\/ol>\n<p><strong>Arduino Uno code example<\/strong>:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;SPI.h&gt;\r\n#include &lt;SD.h&gt;\r\n\r\n\r\nconst int chipSelect = 10;\r\n\r\n\r\nvoid setup() {\r\n\u00a0 Serial.begin(9600);\r\n\u00a0 pinMode(10, OUTPUT);\r\n\r\n\r\n\u00a0 if (!SD.begin(chipSelect)) {\r\n\u00a0 \u00a0 Serial.println(\"Initialization failed!\");\r\n\u00a0 \u00a0 return;\r\n\u00a0 }\r\n\u00a0 Serial.println(\"Initialization done.\");\r\n\r\n\r\n\u00a0 File dataFile = SD.open(\"example.txt\", FILE_WRITE);\r\n\u00a0 if (dataFile) {\r\n\u00a0 \u00a0 dataFile.println(\"Testing 1, 2, 3.\");\r\n\u00a0 \u00a0 dataFile.close();\r\n\u00a0 \u00a0 Serial.println(\"Data written to file.\");\r\n\u00a0 } else {\r\n\u00a0 \u00a0 Serial.println(\"Error opening file.\");\r\n\u00a0 }\r\n}\r\n\r\n\r\nvoid loop() {\r\n}<\/code><\/pre>\n<\/div>\n<h4>Code Explanation<\/h4>\n<ol>\n<li><strong>SPI and SD libraries<\/strong>: These libraries handle communication with the SD module.<\/li>\n<li><strong>Chip select<\/strong>: The chip-select pin is set to pin 10.<\/li>\n<li><strong>Initialization<\/strong>: <code>setup()<\/code> initializes serial communication and the SD card.<\/li>\n<li><strong>Writing data<\/strong>: A file named <code>example.txt<\/code> is created on the SD card, and a line of text is written to it.<\/li>\n<li><strong>Error checking<\/strong>: Error messages are displayed if initialization or opening the file fails.<\/li>\n<\/ol>\n<h4>Pinout<\/h4>\n<ul>\n<li><strong>VCC<\/strong>: Connected to the 5V power supply<\/li>\n<li><strong>GND<\/strong>: Ground (GND)<\/li>\n<li><strong>CS<\/strong>: Connected to Arduino pin 10<\/li>\n<li><strong>MOSI<\/strong>: Connected to Arduino pin 11<\/li>\n<li><strong>MISO<\/strong>: Connected to Arduino pin 12<\/li>\n<li><strong>SCK<\/strong>: Connected to Arduino pin 13<\/li>\n<\/ul>\n<p>&nbsp;<br \/>\n<span style=\"font-size: 8pt;\">Keywords: card reader, SD module, data storage, SPI interface, SD card module, data logging, Arduino, embedded systems, memory.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The SD card reader module reads and writes data on a MicroSD card through SPI, ideal for Arduino projects that need external storage.<\/p>\n","protected":false},"featured_media":52391,"template":"","meta":[],"product_brand":[],"product_cat":[61,72],"product_tag":[],"class_list":["post-52390","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement","product_cat-modules-capteurs","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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