{"id":6863,"date":"2022-01-26T09:13:26","date_gmt":"2022-01-26T16:13:26","guid":{"rendered":"https:\/\/www.circuitspecialists.com\/blog\/?p=6863"},"modified":"2022-10-14T15:14:09","modified_gmt":"2022-10-14T22:14:09","slug":"diy-train-audio-kit","status":"publish","type":"post","link":"https:\/\/www.circuitspecialists.com\/blog\/diy-train-audio-kit\/","title":{"rendered":"DIY Train Audio Kit"},"content":{"rendered":"\n<p>The<a href=\"https:\/\/www.circuitspecialists.com\/sg1m.html\" target=\"_blank\" rel=\"noreferrer noopener\">&nbsp;DIY Train Audio Kit<\/a>&nbsp;is a perfect weekend project for the whole family that can be completed in less than 30 minutes. The audio kit provides everything from the button switches to the battery tray and speaker. All you need are <a href=\"https:\/\/www.circuitspecialists.com\/soldering-stations\" target=\"_blank\" rel=\"noreferrer noopener\">soldering iron and solder<\/a> to finish the job. Furthermore, you can add an Arduino and nRF24 to the project to make it wireless.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-1024x893.jpg\" alt=\"\" class=\"wp-image-5761\" width=\"645\" height=\"562\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-1024x893.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-300x262.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-768x670.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-1536x1340.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1595-scaled-e1618599517841-2048x1787.jpg 2048w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/a><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Table of Content<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\"><li>What is Train Audio Kit?<\/li><li>Part List.<\/li><li>Schematic.<\/li><li>Assembly Process<\/li><li>Conclusion.<\/li><\/ol>\n\n\n\n<h5 class=\"wp-block-heading\"><strong> What is Train Audio Kit? <\/strong><\/h5>\n\n\n\n<p>Below will be the demonstration video for the DIY Train Audio Kit.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Train Audio Kit\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/r7d8dqzi2cE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Part list: (all included)<\/strong><\/h5>\n\n\n\n<p>8 Ohm speaker.<\/p>\n\n\n\n<p>3V battery tray.<\/p>\n\n\n\n<p>Push-on button<\/p>\n\n\n\n<p>330K resistor<\/p>\n\n\n\n<p>BC547 transistor<\/p>\n\n\n\n<p>SG1 Chip on board PCB<\/p>\n\n\n\n<p>SG1 motherboard.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Schematic <\/strong><\/h5>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-1024x983.jpg\" alt=\"\" class=\"wp-image-5741\" width=\"730\" height=\"701\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-1024x983.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-300x288.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-768x737.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-1536x1474.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1587-2048x1965.jpg 2048w\" sizes=\"auto, (max-width: 730px) 100vw, 730px\" \/><\/a><figcaption>Schematic<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">Assembly Process<\/h5>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Remember To Use Flux When Soldering The Train Sound PCBs!\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/Nb3DMBWITxw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>First, you need to solder the SG1 motherboard and the SG1 Chip PCB together. Simply slide COB PCB into the slot and solder the contact tabs as shown below. If you want to learn more about soldering, you can check out&nbsp;<a href=\"https:\/\/www.circuitspecialists.com\/blog\/an-intro-to-soldering\/\">Soldering 101 \u2013 An Intro to Soldering<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-1024x768.jpg\" alt=\"\" class=\"wp-image-5742\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1556-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Next, you can place the BC547 transistor and the 330K resistor in their location, making sure the part matches the drawing on the board.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-1024x768.jpg\" alt=\"\" class=\"wp-image-5743\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1601-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Next, solder wires onto the switches, then solder the wires onto the board. You can solder longer wires if your project requires so.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-scaled.jpg\" alt=\"\" class=\"wp-image-5746\" width=\"1079\" height=\"809\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-scaled.jpg 2560w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1558-1-edited-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1079px) 100vw, 1079px\" \/><\/a><\/figure>\n\n\n\n<p>For the speaker, I used a larger wire gauge, but a&nbsp;<a href=\"https:\/\/www.circuitspecialists.com\/solid-&amp;-stranded-18-&amp;-22awg-wire\">22 gauge wire<\/a>&nbsp;would also work.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-scaled.jpg\" alt=\"\" class=\"wp-image-5748\" width=\"1053\" height=\"794\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-scaled.jpg 2560w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-300x226.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-1024x773.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-768x580.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-1536x1159.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1559-edited-2048x1546.jpg 2048w\" sizes=\"auto, (max-width: 1053px) 100vw, 1053px\" \/><\/a><\/figure>\n\n\n\n<p>Furthermore, I wrapped the end with some&nbsp;<a href=\"https:\/\/www.circuitspecialists.com\/heat-shrink-tubing-kits\">heat shrink<\/a>&nbsp;to prevent exposure.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-scaled.jpg\" alt=\"\" class=\"wp-image-5750\" width=\"993\" height=\"745\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-scaled.jpg 2560w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1560-edited-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 993px) 100vw, 993px\" \/><\/a><\/figure>\n\n\n\n<p>Now, we can solder the speaker and the battery tray onto the board.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-1024x768.jpg\" alt=\"\" class=\"wp-image-5751\" width=\"876\" height=\"657\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2021\/04\/IMG_1562-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 876px) 100vw, 876px\" \/><\/a><\/figure>\n\n\n\n<p>Finally, I cut a couple of holes out of a cardboard box for the speaker and switches, so that everything fits neatly inside.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Conclusion<\/h5>\n\n\n\n<p>You can also have fun with it and fit it in an actual train and control the sound wireless with a couple of<a href=\"https:\/\/www.arduino.cc\/\">&nbsp;Arduino<\/a>, I will attach the link to the&nbsp;<a href=\"https:\/\/www.circuitspecialists.com\/NRF24-WIRELESS-COMMUNICATION-DEVELOPER-KIT.html\">NRF24-Wireless Communication Developer Kit<\/a>&nbsp;if you want to learn more about the project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The&nbsp;DIY Train Audio Kit&nbsp;is a perfect weekend project for the whole family that can be completed in less than 30<\/p>\n","protected":false},"author":10687,"featured_media":5757,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[1,124,204,21,287,17,256,10,135],"tags":[129,133,168,132,143],"class_list":["post-6863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-posts","category-arduino","category-batteries","category-education-kits","category-electronic-kits","category-pcb","category-prototyping","category-soldering","category-tutorial-how-to","tag-arduino","tag-diy","tag-how-to","tag-makers","tag-prototyping"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DIY Train Audio Kit | Simply Smarter Circuitry Blog<\/title>\n<meta name=\"description\" content=\"The\u00a0DIY Train Audio Kit\u00a0is a perfect weekend project for the whole family 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