{"id":6923,"date":"2015-01-24T10:53:00","date_gmt":"2015-01-23T23:53:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2015\/01\/24\/ve3mkcs-teensy-si5351-sdr-receiver-with-a-tiny-color-screen-video\/"},"modified":"2015-01-24T10:53:00","modified_gmt":"2015-01-23T23:53:00","slug":"ve3mkcs-teensy-si5351-sdr-receiver-with-a-tiny-color-screen-video","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2015\/01\/24\/ve3mkcs-teensy-si5351-sdr-receiver-with-a-tiny-color-screen-video\/","title":{"rendered":"VE3MKC&#8217;s Teensy Si5351 SDR Receiver with a Tiny Color Screen (video)"},"content":{"rendered":"<p><iframe loading=\"lazy\" allowfullscreen=\"\" frameborder=\"0\" height=\"248\" src=\"\/\/www.youtube.com\/embed\/P2PtTuUChuo?rel=0\" width=\"440\"><\/iframe> <\/p>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2672\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\"> <span style=\"font-family: Arial; font-size: x-small;\"><b><br \/><\/b><\/span><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2672\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\"> <span style=\"font-family: Arial; font-size: x-small;\"><b><br \/><\/b><\/span><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2672\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\"> <b style=\"font-family: Arial; font-size: small;\"><span id=\"yui_3_16_0_1_1422095936563_1866\"><span id=\"yui_3_16_0_1_1422095936563_1865\">From:<\/span><\/span> Rich <\/b><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2672\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\"> <span id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2671\" style=\"font-family: Arial; font-size: x-small;\"><b><span id=\"yui_3_16_0_1_1422095936563_1864\"><span id=\"yui_3_16_0_1_1422095936563_1863\">To:<\/span><\/span> &#8220;soldersmoke@yahoo.com&#8221; <soldersmoke yahoo.com=\"\"> <br clear=\"none\" \/><span id=\"yui_3_16_0_1_1422095936563_1862\"><span id=\"yui_3_16_0_1_1422095936563_1861\">Sent:<\/span><\/span> Thursday, January 22, 2015 9:22 AM<br clear=\"none\" \/>Subject: Cheap, open source Arduino SDR project<\/soldersmoke><\/b><\/span><\/div>\n<div class=\"yiv7014698380ecxy_msg_container\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2675\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\">\n<div> <\/div>\n<div id=\"yiv7014698380ecxyiv0671618067\">\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2686\">\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2685\"> <b>Bill<\/b> <\/p>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2687\"> <\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2688\"> <b>First, thanks for Soldersmoke and all you do for us QRP hackers around the world. I&#8217;m a big fan!<\/b><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2689\"> <\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2690\"> <b>I&#8217;ve detected you are getting sucked into the world of microcontrollers of late. I know you are not really that excited about SDR but this is a radio that combines Arduino, the currently popular SI5351 and a Softrock to make a very functional SDR. I started this project last year which uses the fabulous Teensy 3.1 and companion audio shield. I recently packaged it all up and it looks like a QRP radio now. Still doesn&#8217;t transmit but as I like to say thats &#8220;just a small matter of software&#8221;.<\/b><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2691\"> <\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2692\"> <b>There are several posts about it on my blog. The most recent:<\/b><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2694\"> <a href=\"http:\/\/rheslip.blogspot.ca\/2015\/01\/teesy-sdr-project-update.html\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2693\" rel=\"nofollow\" shape=\"rect\" style=\"font-size: 12pt;\" target=\"_blank\"><b>http:\/\/rheslip.blogspot.ca\/2015\/01\/teesy-sdr-project-update.html<\/b><\/a><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2695\"> <\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2696\"> <b>There&#8217;s a link to a video and a link to the code in that post.<\/b><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2697\"> <\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1887\"> <b>Rock on Bill!<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1886\"> <\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1885\"> <b>73, Rich Heslip<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1884\"> <b>VE3MKC<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1884\"> <b><br \/><\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1884\"> <b><br \/><\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1884\">\n<div style=\"font-family: Calibri; font-size: small;\">\n<div style=\"font-family: tahoma; font-size: 10pt; font-stretch: normal;\">\n<div style=\"background: rgb(245, 245, 245);\">\n<div> <b>From: <a href=\"mailto:soldersmoke@yahoo.com\" rel=\"nofollow\" shape=\"rect\" target=\"_blank\" title=\"soldersmoke@yahoo.com\" ymailto=\"mailto:soldersmoke@yahoo.com\">solder smoke<\/a><\/b><\/div>\n<div> <b>Sent: Friday, January 23, 2015 4:09 AM<\/b><\/div>\n<div> <b>To: <\/b><\/div>\n<div> <b>Subject: Re: Cheap, open source Arduino SDR project<\/b><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div> <\/div>\n<\/p><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1856\" style=\"font-family: Calibri; font-size: small;\">\n<div id=\"yui_3_16_0_1_1422095936563_1855\" style=\"font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\">\n<div> <\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2670\"> <b>Wow Rich that is really beautiful. Amazing! I am also sending this to Pete Juliano, but I was at first hesitant about this because I feared that your combination of Si5351 and TFT display might be TOO exciting for him. Deep breaths Pete&#8230; <\/b><\/div>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2684\"> <\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2677\"> <b>73 and Thanks, Bill <\/b><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2677\"> <b><br \/><\/b><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2677\"> <b><br \/><\/b><\/div>\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2677\"> <b><span style=\"font-family: 'Times New Roman'; font-size: small;\">From: jessystems@verizon.net<\/span><br clear=\"none\" style=\"font-family: 'Times New Roman'; font-size: medium;\" \/><span style=\"font-family: 'Times New Roman'; font-size: small;\">To: soldersmoke@yahoo.com; <\/span><br clear=\"none\" style=\"font-family: 'Times New Roman'; font-size: medium;\" \/><span style=\"font-family: 'Times New Roman'; font-size: small;\">Subject: Re: Cheap, open source Arduino SDR project<\/span><br clear=\"none\" style=\"font-family: 'Times New Roman'; font-size: medium;\" \/><span style=\"font-family: 'Times New Roman'; font-size: small;\">Date: Fri, 23 Jan 2015 06:03:40 -0800<\/span><\/b> <\/p>\n<div dir=\"ltr\" id=\"yui_3_16_0_1_1422095936563_1858\" style=\"font-family: 'Times New Roman'; font-size: medium;\">\n<div id=\"yui_3_16_0_1_1422095936563_1857\" style=\"font-family: Calibri; font-size: 12pt;\">\n<div> <b>Hi Rich &#038; Bill,<\/b><\/div>\n<div> <\/div>\n<div> <b>Wow \u2013really exciting project Rich! Congratulations and Bravo!<\/b><\/div>\n<div> <\/div>\n<div> <b>This is so exciting, for all hams, as this just shows the power of the available low cost technology that is now on the market. Your project is really tempting as I have a V6.2 15M softrock sitting in a box (somewhere). I was somewhat put off with the Power SDR as the opposite sideband rejection is not too good \u2013it is clear you have cracked that nut.<\/b><\/div>\n<div> <\/div>\n<div> <b>Thanks for sharing Rich and yes Bill I am taking very deep breaths.<\/b><\/div>\n<div> <\/div>\n<div> <b>73\u2019s<\/b><\/div>\n<div> <b>Pete N6QW<\/b><\/div>\n<div> <b> <span style=\"font-size: 12pt;\"> <\/span><\/b><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"base-card-header\" id=\"yui_3_16_0_1_1422095936563_1842\">\n<div class=\"message-item-header\" id=\"yui_3_16_0_1_1422095936563_1846\">\n<div class=\"contents\" id=\"yui_3_16_0_1_1422095936563_1845\"> <\/p>\n<dd class=\"hdr-info\" id=\"yui_3_16_0_1_1422095936563_1844\">\n<ul class=\"inline-items\" id=\"yui_3_16_0_1_1422095936563_1843\" role=\"presentation\">\n<li id=\"yui_3_16_0_1_1422095936563_1871\"><b>Jan 23 at 9:27 <span class=\"ampm\">AM<\/span><\/b><\/li>\n<\/ul>\n<\/dd>\n<p> <\/p>\n<div class=\"info expanded twolines\" id=\"msg_details\">\n<dl class=\"details\" id=\"yui_3_16_0_1_1422095936563_1848\" role=\"presentation\">\n<dd class=\"hdr-info\" id=\"yui_3_16_0_1_1422095936563_1847\" role=\"presentation\">\n<ul aria-label=\"All recipients\" class=\"inline-items\" id=\"msg-header-to\" title=\"All recipients\">\n<li class=\"hLozenge\"><b><span aria-haspopup=\"true\" aria-label=\"Pete Juliano\" class=\"lozenge-static \" data-action=\"contact-card-menu\" data-address=\"jessystems@verizon.net\" data-name=\"Pete Juliano\" role=\"button\" tabindex=\"0\" title=\"Pete Juliano\">Pete Juliano<\/span> <\/b><\/li>\n<li class=\"hLozenge\"><b><span aria-haspopup=\"true\" aria-label=\"solder smoke\" class=\"lozenge-static \" data-action=\"contact-card-menu\" data-address=\"soldersmoke@yahoo.com\" data-name=\"solder smoke\" role=\"button\" tabindex=\"0\" title=\"solder smoke\">me<\/span> <\/b><\/li>\n<\/ul>\n<\/dd>\n<\/dl><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"base-card-body\" id=\"yui_3_16_0_1_1422095936563_1852\">\n<div class=\"msg-body inner undoreset\" id=\"yui_3_16_0_1_1422095936563_1830\" role=\"presentation\" tabindex=\"0\">\n<div style=\"position: absolute; z-index: -5;\"> <\/div>\n<div class=\"email-wrapped\" id=\"yui_3_16_0_1_1422095936563_1851\">\n<div id=\"yiv7014698380\">\n<div id=\"yui_3_16_0_1_1422095936563_1850\">\n<div dir=\"ltr\" id=\"yui_3_16_0_1_1422095936563_1849\"> <b>Thanks guys! When I saw the Teensy 3.1 with the companion audio codec board the first thing that came to mind was a portable SDR. Since its Arduino compatible I am able to leverage the SI5351 library, encoder library etc so its mostly just putting software blocks together. The digital filter design is a bit tricky but Loftur VE2LJX did quite a bit of work on that and now it works really well.<\/b> <\/p>\n<div id=\"yui_3_16_0_1_1422095936563_1853\"> <b><br clear=\"none\" \/><\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1854\"> <b>I hope to add CW decoding and PSK31 at some point. I&#8217;ve used less than half the flash on the Teensy so lots of room for new features. I&#8217;m hoping if the word gets out I won&#8217;t have to do this all myself!<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1877\"> <b><br clear=\"none\" \/><\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1878\"> <b>Pete &#8211; too bad you missed the Black Friday sale &#8211; Teensy 3.1 and the audio shield for $18. Deep breaths&#8230; <\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1879\"> <b>: )<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1880\"> <b><br clear=\"none\" \/><\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1881\"> <b>73, Rich<\/b><\/div>\n<div id=\"yui_3_16_0_1_1422095936563_1860\"> <b>VE3MKC<\/b> <\/p>\n<div class=\"yiv7014698380yqt7460349917\" id=\"yiv7014698380yqt15399\">\n<div id=\"yui_3_16_0_1_1422095936563_1859\">\n<hr id=\"yiv7014698380stopSpelling\" \/>\n<div dir=\"ltr\" id=\"yui_3_16_0_1_1422095936563_1858\">\n<div id=\"yui_3_16_0_1_1422095936563_1857\" style=\"font-family: Calibri; font-size: 12pt;\">\n<div id=\"yui_3_16_0_1_1422095936563_1856\" style=\"font-size: small;\">\n<div id=\"yui_3_16_0_1_1422095936563_1855\" style=\"background-color: white; font-family: helveticaneue, 'helvetica neue', helvetica, arial, 'lucida grande', sans-serif; font-size: 16px;\"> <b><br \/><\/b> <\/p>\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2674\">\n<div id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2673\">\n<div dir=\"ltr\" id=\"yiv7014698380ecxyui_3_16_0_1_1422014321765_2672\">\n<hr id=\"yui_3_16_0_1_1422095936563_1867\" size=\"1\" \/> <b><br \/><\/b><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p> Our book: &#8220;SolderSmoke &#8212; Global Adventures in Wireless Electronics&#8221; <a href=\"http:\/\/soldersmoke.com\/book.htm\">http:\/\/soldersmoke.com\/book.htm<\/a> Our coffee mugs, T-Shirts, bumper stickers: <a href=\"http:\/\/www.cafepress.com\/SolderSmoke\">http:\/\/www.cafepress.com\/SolderSmoke<\/a> Our Book Store: <a href=\"http:\/\/astore.amazon.com\/contracross-20\">http:\/\/astore.amazon.com\/contracross-20<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>From: Rich To: &#8220;soldersmoke@yahoo.com&#8221; Sent: Thursday, January 22, 2015 9:22 AMSubject: Cheap, open source Arduino SDR project Bill First, thanks for Soldersmoke and all you do for us QRP hackers around the world. I&#8217;m a big fan! I&#8217;ve detected you are getting sucked into the world of microcontrollers of late. I know you are not &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2015\/01\/24\/ve3mkcs-teensy-si5351-sdr-receiver-with-a-tiny-color-screen-video\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;VE3MKC&#8217;s Teensy Si5351 SDR Receiver with a Tiny Color Screen (video)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67,190,41,40,14],"tags":[],"class_list":["post-6923","post","type-post","status-publish","format-standard","hentry","category-arduino","category-canada","category-juliano-pete","category-sdr","category-video"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/6923","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=6923"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/6923\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=6923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=6923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=6923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}