{"id":10463,"date":"2023-04-07T12:03:00","date_gmt":"2023-04-07T02:03:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2023\/04\/07\/speaker-made-from-potato-chip-bag-tim-hunkins-solenoid-and-electromagnet-video\/"},"modified":"2025-07-22T18:02:25","modified_gmt":"2025-07-22T08:02:25","slug":"speaker-made-from-potato-chip-bag-tim-hunkins-solenoid-and-electromagnet-video","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2023\/04\/07\/speaker-made-from-potato-chip-bag-tim-hunkins-solenoid-and-electromagnet-video\/","title":{"rendered":"Speaker Made from Potato Chip Bag:  Tim Hunkin&#8217;s Solenoid and Electromagnet Video"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/fdj_g_1tj4c?start=980?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>The potato chip (&#8220;crisp&#8221;) speaker is very cool (I have it cued up here), but the rest of Tim Hunkin&#8217;s video is also wonderful and worth watching. (Note: Posh bags work better as speakers.) <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Thinking of our use of signal relays, I kept wanting Tim to tell viewers to put a diode and a capacitor across the relay terminals to prevent back EMF from frying circuits. But I guess this is not much of a problem with the arcade games that Tim builds. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>As always, Tim&#8217;s scrounging and use of discarded parts is really admirable. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>I noticed in the credits that he is dedicating these videos to the memory of his colleague Rex. <br \/><\/b><\/p>\n<div><b><br \/><\/b><\/div>\n<div><b>Thanks to Chuck WB9KZY for bringing this video to our attention. And thanks Tim. <\/b><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The potato chip (&#8220;crisp&#8221;) speaker is very cool (I have it cued up here), but the rest of Tim Hunkin&#8217;s video is also wonderful and worth watching. (Note: Posh bags work better as speakers.) Thinking of our use of signal relays, I kept wanting Tim to tell viewers to put a diode and a capacitor &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2023\/04\/07\/speaker-made-from-potato-chip-bag-tim-hunkins-solenoid-and-electromagnet-video\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Speaker Made from Potato Chip Bag:  Tim Hunkin&#8217;s Solenoid and Electromagnet Video&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[520,119],"tags":[],"class_list":["post-10463","post","type-post","status-publish","format-standard","hentry","category-hunkin-tim","category-uk"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=10463"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10463\/revisions"}],"predecessor-version":[{"id":11306,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10463\/revisions\/11306"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=10463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=10463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=10463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}