{"id":2040,"date":"2025-08-23T20:02:31","date_gmt":"2025-08-23T20:02:31","guid":{"rendered":"https:\/\/www.adrian-smith31.co.uk\/blog\/?p=2040"},"modified":"2025-08-23T22:59:59","modified_gmt":"2025-08-23T22:59:59","slug":"ir-code-finder-lcd-version","status":"publish","type":"post","link":"https:\/\/www.adrian-smith31.co.uk\/blog\/2025\/08\/ir-code-finder-lcd-version\/","title":{"rendered":"IR code finder LCD version"},"content":{"rendered":"<p>My friend Rick sent this over to me which he managed to get working &#8211; it is a sketch which displays the results of an infra-red remote control hex codes on an LCD display. Ideal for if you want to use those cheap Chinese remote controls for your electronics projects but are unsure what key produces which codes. This gadget will display the code and the button pressed on an LCD and is ideal for finding the key codes from any remote that uses the NEC protocol.<\/p>\n<p><a href=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/07\/IR_Serial_Test_3.8_LCD.zip\" target=\"_blank\" rel=\"noopener\">Source Code<\/a><\/p>\n<p><strong>Images<\/strong><\/p>\n<div id='gallery-1' class='gallery galleryid-2040 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.adrian-smith31.co.uk\/blog\/2025\/07\/further-firmware-update-for-my-6-digit-atmega328p-clock\/display-unit\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/07\/Display-Unit-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Display unit\" aria-describedby=\"gallery-1-2036\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-2036'>\n\t\t\t\tIR sketch running\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.adrian-smith31.co.uk\/blog\/2025\/07\/further-firmware-update-for-my-6-digit-atmega328p-clock\/ir-rcvr\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/IR-Rcvr-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Ir rcvr\" aria-describedby=\"gallery-1-2026\" srcset=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/IR-Rcvr-150x150.jpg 150w, https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/IR-Rcvr-300x300.jpg 300w, https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/IR-Rcvr.jpg 600w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-2026'>\n\t\t\t\tCheap IR Module\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.adrian-smith31.co.uk\/blog\/2025\/07\/further-firmware-update-for-my-6-digit-atmega328p-clock\/20-button-remote-legend\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/20-Button-Remote-Legend-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"20 button remote legend\" aria-describedby=\"gallery-1-2025\" srcset=\"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/20-Button-Remote-Legend-150x150.png 150w, https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/20-Button-Remote-Legend-300x300.png 300w, https:\/\/www.adrian-smith31.co.uk\/blog\/wp-content\/uploads\/2025\/08\/20-Button-Remote-Legend.png 700w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-2025'>\n\t\t\t\tCheap Chinese Remote\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>My friend Rick sent this over to me which he managed to get working &#8211; it is a sketch which displays the results of an infra-red remote control hex codes on an LCD display. Ideal for if you want to use those cheap Chinese remote controls for your electronics projects but are unsure what key [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2036,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"IR code finder LCD version - Adrian's electronics blog","description":"My friend Rick sent this over to me which he managed to get working - it is a sketch which displays the results of an infra-red remote control hex codes on an L"},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"_links":{"self":[{"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/posts\/2040","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=2040"}],"version-history":[{"count":3,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/posts\/2040\/revisions"}],"predecessor-version":[{"id":2043,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/posts\/2040\/revisions\/2043"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/media\/2036"}],"wp:attachment":[{"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=2040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=2040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.adrian-smith31.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=2040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}