{"id":546,"date":"2016-05-24T13:31:30","date_gmt":"2016-05-24T11:31:30","guid":{"rendered":"http:\/\/home.et.utwente.nl\/slootenvanf\/?p=546"},"modified":"2020-06-04T15:25:05","modified_gmt":"2020-06-04T13:25:05","slug":"rfid-reader","status":"publish","type":"post","link":"https:\/\/home.et.utwente.nl\/slootenvanf\/2016\/05\/24\/rfid-reader\/","title":{"rendered":"Build an RFID reader with Arduino and the RC522 RFID module"},"content":{"rendered":"\n<p>The RC522 RFID module is a cheap module which comes with a card and a dongle.<br>You can buy it at our local electronics shop <a rel=\"noopener noreferrer\" href=\"https:\/\/www.scintilla.utwente.nl\/en\/stores\/\" target=\"_blank\">the STORES<\/a> for a few euro&#8217;s (search for &#8216;rfid&#8217; in the price list). <a rel=\"noreferrer noopener\" href=\"https:\/\/www.tinytronics.nl\/shop\/en\/communication\/rfid\/rfid-kit-mfrc522-s50-mifare-with-card-and-key-tag\" target=\"_blank\">Or buy it here.<\/a> Only thing you have to do before you can use it is solder the header.<\/p>\n\n\n\n<p>If you are unfamiliar with using and programming an Arduino, consider taking this <a href=\"https:\/\/www.arduino.cc\/en\/Guide\/HomePage\">Getting Started&nbsp;tutorial<\/a> first.<\/p>\n\n\n\n<p>Next, add it to a breadboard and build the circuit (pin layout below the image):<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1440\" src=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755.jpg\" alt=\"IMG_20160524_125755\" class=\"wp-image-547\" srcset=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755.jpg 2560w, https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755-300x169.jpg 300w, https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755-768x432.jpg 768w, https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/IMG_20160524_125755-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/figure>\n\n\n\n<p>Pin layout:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Signal     Pin              Pin\n           Arduino Uno\/Nano MFRC522 board\n-----------------------------------------\nReset      9                RST\nSPI SS     10               SDA\nSPI MOSI   11               MOSI\nSPI MISO   12               MISO\nSPI SCK    13               SCK<\/code><\/pre>\n\n\n\n<p>For details on the wiring refer to the <a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/Arduino_Nano_Pinout.png\">pinout of the Arduino<\/a> type you use (I used a Nano here) and the <a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/RFID-RC522-pinout.png\">pinout of the RFID module<\/a>. &nbsp;A table with pin numbers is also in the Arduino Sketch (read on).<\/p>\n\n\n\n<p>Now we can program the Arduino and start viewing RFID data in the console.&nbsp;<a href=\"http:\/\/playground.arduino.cc\/Learning\/MFRC522\">Follow the steps in this tutorial for this.<\/a>&nbsp;I summarize the steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Install the&nbsp;Arduino <span class=\"wikiword\">MFRC522<\/span> Library (<em>Tools &gt; Manage Libraries<\/em>, search for &#8220;MFRC522&#8221;).<\/li><li>Open the &#8220;DumpInfo&#8221; example sketch via <em>File &gt; Examples &gt; MFRC522<\/em>.<\/li><li>Upload the sketch (check the proper setup under <em>Tools<\/em> in the menu of the Arduino IDE, see the image below for my settings).<\/li><li>Start the Serial Monitor via <em>Tools &gt;&nbsp;Serial Monitor <\/em>and test the application.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/Arduino_sketch_for_rc522.png\"><img loading=\"lazy\" decoding=\"async\" width=\"659\" height=\"403\" src=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/Arduino_sketch_for_rc522.png\" alt=\"Arduino_sketch_for_rc522\" class=\"wp-image-551\" srcset=\"https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/Arduino_sketch_for_rc522.png 659w, https:\/\/home.et.utwente.nl\/slootenvanf\/wp-content\/uploads\/2016\/05\/Arduino_sketch_for_rc522-300x183.png 300w\" sizes=\"auto, (max-width: 659px) 100vw, 659px\" \/><\/a><\/figure>\n\n\n\n<p>If you want to read the data from the RFID reader in a Java application, continue reading this article: <a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/2016\/05\/24\/rfid-identification-java\/\">&#8220;Add RFID identification to a Java application&#8221;<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Examples<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><code><a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/div\/arduino\/rfidscan_display.ino\" target=\"_blank\" rel=\"noreferrer noopener\">rfidscan_display.ino<\/a><\/code> &#8211; Show scanned id of tag or card (UID) on serial output (print it).<\/li><li><code><a href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/div\/arduino\/rfidscan_display_authorize.ino\" target=\"_blank\" rel=\"noreferrer noopener\">rfidscan_display_authorize.ino<\/a><\/code> &#8211; Authorize: check if a scanned UID is authorized (use it as a security device\/scanner).<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The RC522 RFID module is a cheap module which comes with a card and a dongle.You can buy it at our local electronics shop the STORES for a few euro&#8217;s (search for &#8216;rfid&#8217; in the price list). Or buy it here. Only thing you have to do before you can use it is solder the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":553,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[94,91,92,118,117,161],"class_list":["post-546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education","tag-arduino","tag-diy","tag-electronics","tag-rc522","tag-rfid","tag-sensor"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build an RFID reader with Arduino and the RC522 RFID module - vanslooten.com<\/title>\n<meta name=\"description\" content=\"Build an RFID reader with Arduino and the RC522 RFID module\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/home.et.utwente.nl\/slootenvanf\/2016\/05\/24\/rfid-reader\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Build an RFID reader with Arduino and the RC522 RFID module - 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