{"id":4027,"date":"2012-12-08T05:42:24","date_gmt":"2012-12-08T05:42:24","guid":{"rendered":"http:\/\/zerokidz.com\/ideas\/?p=4027"},"modified":"2014-12-07T03:36:38","modified_gmt":"2014-12-07T08:36:38","slug":"detecting-an-ir-beam-break-using-the-arduino-ir-library","status":"publish","type":"post","link":"https:\/\/reactivemusic.net\/?p=4027","title":{"rendered":"Detecting an IR Beam Break using the Arduino IR Library"},"content":{"rendered":"<p class=\"lead\">A simple electric eye circuit<\/p>\n<p><cite>By Ken Shirriff<\/cite><\/p>\n<p><a href=\"http:\/\/www.arcfn.com\/2010\/03\/detecting-ir-beam-break-with-arduino-ir.html\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-13703\" title=\"Screen Shot 2014-06-14 at 7.26.38 PM\" src=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2012\/12\/Screen-Shot-2014-06-14-at-7.26.38-PM-300x162.png\" alt=\"\" width=\"300\" height=\"162\" srcset=\"https:\/\/reactivemusic.net\/wp-content\/uploads\/2012\/12\/Screen-Shot-2014-06-14-at-7.26.38-PM-300x162.png 300w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2012\/12\/Screen-Shot-2014-06-14-at-7.26.38-PM-1024x554.png 1024w, https:\/\/reactivemusic.net\/wp-content\/uploads\/2012\/12\/Screen-Shot-2014-06-14-at-7.26.38-PM.png 1682w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.arcfn.com\/2010\/03\/detecting-ir-beam-break-with-arduino-ir.html\">http:\/\/www.arcfn.com\/2010\/03\/detecting-ir-beam-break-with-arduino-ir.html<\/a><\/p>\n<p>update 5\/2014 &#8211; For current information, see the musical stairs project &#8211; using this IR library with sensors from Adafruilt:\u00a0<a href=\"https:\/\/reactivemusic.net\/?p=12300\">https:\/\/reactivemusic.net\/?p=12300<\/a><\/p>\n<div class=\"panel\">\n<p>original post<\/p>\n<\/div>\n<p>I was able to build a version of this using some ir receivers from radio shack. The receivers were different &#8211; one received a relatively narrow angle beam, while the other one seemed to pick up everything in the room. So, although this method works, it will require some hardware tweaking.<\/p>\n<p><iframe loading=\"lazy\" title=\"Arduino Electric Eye\" width=\"525\" height=\"295\" src=\"https:\/\/www.youtube.com\/embed\/8_261LjWEdc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Here&#8217;s my Arduino code for this&#8230; Note that the code runs 2 beams but the photos and videos only show one in the circuit.<\/p>\n<pre class=\"brush: java; gutter: true\">#include &lt;IRremote.h&gt;\r\n\/\/ tz 12\/26\/2012\r\n\/* This works with the basic IR beam layout of an\r\nIR emitter and IR receiver from radio shack - when you break the \r\nbeam, like with your hand the LED on D13 lights up.\r\n\r\n*\/\r\n#define PIN_IR 3\r\n#define PIN_DETECT 2\r\n#define PIN_STATUS 13\r\n\r\n#define PIN_DETECT_B 7\r\n#define PIN_STATUS_B 8\r\n\r\nint counter = 0;\r\nint stat = 0;\r\nint stat_B = 0;\r\n\r\nIRsend irsend;\r\nvoid setup()\r\n{\r\n   Serial.begin(9600); \/\/ open the serial port\r\n  pinMode(PIN_DETECT, INPUT);\r\n  pinMode(PIN_STATUS, OUTPUT);\r\n\r\n    pinMode(PIN_DETECT_B, INPUT);\r\n  pinMode(PIN_STATUS_B, OUTPUT);\r\n  irsend.enableIROut(38);\r\n  irsend.mark(0);\r\n}\r\n\r\nvoid loop() {\r\n\/\/  digitalWrite(PIN_STATUS, !digitalRead(PIN_DETECT));\r\nirsend.space(0);\r\ndelay(1);\r\nirsend.mark(0);\r\nstat = digitalRead(PIN_DETECT);\r\ndigitalWrite(PIN_STATUS, stat);\r\n\r\nstat_B = !digitalRead(PIN_DETECT_B);\r\ndigitalWrite(PIN_STATUS_B, stat_B);\r\ndelay(1);\r\n\r\ncounter++;\r\nif(counter &gt; 1000) {\r\n  Serial.print(&quot;A: &quot;);\r\n  Serial.print(stat);\r\n  Serial.print(&quot; B: &quot;);\r\n  Serial.print(stat_B);\r\n  Serial.println();\r\n  counter = 0;\r\n}\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A simple electric eye circuit By Ken Shirriff http:\/\/www.arcfn.com\/2010\/03\/detecting-ir-beam-break-with-arduino-ir.html update 5\/2014 &#8211; For current information, see the musical stairs project &#8211; using this IR library with sensors from Adafruilt:\u00a0https:\/\/reactivemusic.net\/?p=12300 original post I was able to build a version of this using some ir receivers from radio shack. The receivers were different &#8211; one received a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/reactivemusic.net\/?p=4027\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Detecting an IR Beam Break using the Arduino IR Library&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[143],"tags":[20,55,312,6,190,26,32],"class_list":["post-4027","post","type-post","status-publish","format-standard","hentry","category-interactive-media-art","tag-arduino","tag-electronics","tag-infrared","tag-interactive-media","tag-portfolio","tag-sensors","tag-tools"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Detecting an IR Beam Break using the Arduino IR Library - reactive music<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/reactivemusic.net\/?p=4027\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detecting an IR Beam Break using the Arduino IR Library - reactive music\" \/>\n<meta property=\"og:description\" content=\"A simple electric eye circuit By Ken Shirriff http:\/\/www.arcfn.com\/2010\/03\/detecting-ir-beam-break-with-arduino-ir.html update 5\/2014 &#8211; For current information, see the musical stairs project &#8211; using this IR library with sensors from Adafruilt:\u00a0https:\/\/reactivemusic.net\/?p=12300 original post I was able to build a version of this using some ir receivers from radio shack. 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