{"id":1072,"date":"2015-05-23T10:29:21","date_gmt":"2015-05-23T08:29:21","guid":{"rendered":"http:\/\/dc2wk.schwab-intra.net\/?page_id=1072"},"modified":"2016-09-21T18:59:43","modified_gmt":"2016-09-21T16:59:43","slug":"arduino-vna-vector-antenna-analyser","status":"publish","type":"page","link":"https:\/\/dc2wk.schwab-intra.net\/?page_id=1072","title":{"rendered":"Arduino Vector Graphic Antenna Analyser"},"content":{"rendered":"<p><span style=\"color: #ff0000;\"><strong>Since the Project is very popular and I get a lot of inquiries , it is necessary here to clarify something.<\/p>\n<p><span style=\"text-decoration: underline;\">The newest Firmware is on this side at the end as a link ! So please don&#8217;t ask me to send firmware! Thanks !<\/span><br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><strong>So please READ every LINE on this side !!!\u00a0<\/strong><\/span><\/p>\n<ul>\n<li><strong><span style=\"color: #ff0000;\">I&#8217;m NOT the Author of this project!!! For questions like eagle files or changing parts in the\u00a0circuit, please ask DG7EAO !!!<\/span><\/strong><\/li>\n<li><span style=\"color: #ff0000;\"><strong>I does not selling parts or finish analyzers<\/strong><\/span><\/li>\n<li><span style=\"color: #ff0000;\"><strong>Software support no matter of course . This is a private project and I have a 12 hour job. If I like, I will answer your mails. But you can not count on it!!<\/strong><\/span><\/li>\n<li><span style=\"color: #ff0000;\"><strong>When the source code of you will be changed , or other hardware is used, I will never help you.\u00a0<\/strong><\/span><\/li>\n<li><span style=\"color: #ff0000;\"><strong>I give no workshops in any programming language<\/strong><\/span><\/li>\n<li><strong><span style=\"color: #ff0000;\">I&#8217;am not searching your bugs in your circuits. Be sure that the software is well testet, by over 50 OMs and ok. Use my firmware or leave it.<\/span><\/strong><\/li>\n<\/ul>\n<p>Sorry for that rules, but\u00a0a lot of OM&#8217;s can&#8217;t read. Every RED rule have a reason with some mails.\u00a0It must be easier to write a mail, as reading the project files ! I got over 50 mails, with questions, what can easy answered by this side and text file in the ZIP File.<\/p>\n<p>So now we start&#8230;.<\/p>\n<p><span style=\"color: #000000;\">I find in the internet a very interesting Project.\u00a0He build with Arduino Modules a good Antenna Analyser.<\/span><\/p>\n<p><strong>Here you can download all information over the Basic original project:<\/strong><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/Arduino Analyser Schematics.rar\">http:\/\/dc2wk.schwab-intra.net\/Arduino Analyser Schematics.rar<br \/>\n<\/a><a href=\"http:\/\/dc2wk.schwab-intra.net\/Display Addon.rar\">http:\/\/dc2wk.schwab-intra.net\/Display Addon.rar<br \/>\n<\/a><br \/>\n<span style=\"color: #008000;\"><strong>This is a project from DG7EAO. Thanks a lot to him!<\/strong><\/span><br \/>\nThe old page is deleted, I don&#8217;t know why. So I saved this schematics for us.<br \/>\nBut I find a new page from Norbert:\u00a0<a href=\"http:\/\/www.dg7eao.de\/test\/antennen-analysator\/\">http:\/\/www.dg7eao.de\/test\/antennen-analysator\/<\/a><\/p>\n<p><strong>To download my version of the firmware, see the link after the article.<\/strong><\/p>\n<p>I ordered the parts and start to build this little project.<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/Display Addon.rar\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1061\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3874-300x200.jpg\" alt=\"IMG_3874\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3874-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3874-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3874-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3874.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nFor the modules I take IC-Sockets<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1062\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875-300x200.jpg\" alt=\"IMG_3875\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3875.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe modules are installed<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1063\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877-300x200.jpg\" alt=\"IMG_3877\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3877.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe finish analyzer<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1067\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891-300x200.jpg\" alt=\"IMG_3891\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3891.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe underside<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1065\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879-300x200.jpg\" alt=\"IMG_3879\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3879.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe test of the DDS Signal<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1066\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881-300x200.jpg\" alt=\"IMG_3881\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3881.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>Works fine<\/p>\n<p><strong><span style=\"text-decoration: underline;\">Test measuring&#8217;s:<\/span><\/strong><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1068\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick-300x182.jpg\" alt=\"Firestick\" width=\"300\" height=\"182\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick-300x182.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick-1024x622.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick-494x300.jpg 494w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Firestick.jpg 1038w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nA Sirro CB Mobile Antenna<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1069\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz-300x181.jpg\" alt=\"Hexbeam 1-30MHz\" width=\"300\" height=\"181\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz-300x181.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz-1024x618.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz-497x300.jpg 497w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Hexbeam-1-30MHz.jpg 1033w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nA DL7IO Hexbeam 10-20m<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1071\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-300x182.jpg\" alt=\"Butternut 1-30MHz\" width=\"300\" height=\"182\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-300x182.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-1024x623.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-493x300.jpg 493w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz.jpg 1034w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>A\u00a0Butternut HF5V Vertical 10-80m<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1064\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894-300x200.jpg\" alt=\"IMG_3894\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3894.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nYou also can check a LC resonator<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1070\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell-300x181.jpg\" alt=\"Schwingkreis LC 0.9 uH + 300pf paralell\" width=\"300\" height=\"181\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell-300x181.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell-1024x618.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell-497x300.jpg 497w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Schwingkreis-LC-0.9-uH-300pf-paralell.jpg 1037w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>Here with a frequency from 12.088 MHz (0,9uH + 300pF)<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>The Costs of this project, without a case, \u00a0was:<\/strong><\/span><\/p>\n<p>The Arduino Modules:<\/p>\n<table>\n<tbody>\n<tr>\n<td>1x<\/td>\n<td>USB auf RS232 TTL UART PL2303HX Converter Adapter Cable CP12005 F44<\/td>\n<td>5,20 EUR<\/td>\n<td>5,20 EUR<\/td>\n<\/tr>\n<tr>\n<td>1x<\/td>\n<td>Pro Mini Atmega328P Board Modul 5V\/16MHz for Arduino-Compatible AR01011 J32<\/td>\n<td>7,82 EUR<\/td>\n<td>7,82 EUR<\/td>\n<\/tr>\n<tr>\n<td>1x<\/td>\n<td>AD9850 Module DDS Signal Generator 40Mhz CP13010 D54<\/td>\n<td>10,99 EUR<\/td>\n<td>10,99 EUR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Other Parts:<br \/>\n6x 100 Ohm 1%, RM 7,5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,30 \u20ac<br \/>\n2x\u00a010 K \u00a0\u00a0\u00a0RM 7,5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,06 \u20ac<br \/>\n2x\u00a0100 K \u00a0RM 7,5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,06 \u20ac<br \/>\n2x\u00a04,99 K RM 7,5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,10 \u20ac<br \/>\n2x\u00a0649 R \u00a0RM 7,5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,10 \u20ac<br \/>\n1x\u00a01u RM\u00a02.5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,10 \u20ac<br \/>\n2x\u00a0100n RM 5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,10 \u20ac<br \/>\n3x\u00a010n RM 5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,30 \u20ac<br \/>\n1x\u00a0LM358 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,19 \u20ac<br \/>\nIC Sockets \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,50 \u20ac<br \/>\n2x\u00a0Germanium Diode AA143 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02,20 \u20ac<br \/>\nCables \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0,50 \u20ac<br \/>\nPL od BNC Jack \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01,50\u20ac<br \/>\ncircuit board \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1,50 \u20ac<\/p>\n<p><strong>All together: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a031,52 \u20ac<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"text-decoration: underline;\">Update 1:<\/span><\/strong><br \/>\n<a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1079\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896-300x200.jpg\" alt=\"IMG_3896\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3896.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nI build a case out of circuit board material<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1081\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900-300x200.jpg\" alt=\"IMG_3900\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3900.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThis is the front, place for the display later<br \/>\nThe Cable on the left side is only connected if the analyzer is in Computer mode<br \/>\nAs a stand alone analyzer there will be a battery case installed.<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1080\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899-300x200.jpg\" alt=\"IMG_3899\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3899.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe underside. The case its 100% RF proof<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1082\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use-300x182.jpg\" alt=\"Butternut 1-30MHz mit Geh\u00e4use\" width=\"300\" height=\"182\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use-300x182.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use-1024x621.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use-495x300.jpg 495w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/Butternut-1-30MHz-mit-Geh\u00e4use.jpg 1038w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>With the RF Proof case, the measuring is near to that what I see with my transceiver.<br \/>\nHere the\u00a0Butternut HF5V Vertical 10-80m, like some pictures before.<\/p>\n<p>I also made a Battery Case with a 5V power supply and a 9V battery<a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906.jpg\"><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1093\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906-300x200.jpg\" alt=\"IMG_3906\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3906.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nA 7805 and a electrolyte capacitor, that&#8217;s all<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1096\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911-300x200.jpg\" alt=\"IMG_3911\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3911.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nSpecial lock mechanism \ud83d\ude42<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1094\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912-300x200.jpg\" alt=\"IMG_3912\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3912.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nBattery pack is plug in &#8230;<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1095\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916-300x200.jpg\" alt=\"IMG_3916\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3916.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>&#8230;and it works \ud83d\ude42<\/p>\n<p><strong><span style=\"text-decoration: underline;\">Update 2:<\/span><\/strong><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1104\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925-300x200.jpg\" alt=\"IMG_3925\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3925.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nMy display is arrived \ud83d\ude42 \u00a0I test it first with my second arduino. If you build it on a test board like that, it will not be stable. For a short test it&#8217;s OK. The computer hangs often times. <strong>So keep your cable very short and work with shields!<\/strong><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1105\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933-300x200.jpg\" alt=\"IMG_3933\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3933.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe current is with the display together 61 mA. So my 9V battery is maybe to small.<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1106\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936-300x200.jpg\" alt=\"IMG_3936\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3936.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nSo I build it in. This is more stable as it looks<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1108\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941-300x200.jpg\" alt=\"IMG_3941\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3941.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\n<\/a>Display and switches in the case<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1110\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953-300x200.jpg\" alt=\"IMG_3953\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3953.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe Scan with my Butternut<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1109\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952-300x200.jpg\" alt=\"IMG_3952\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3952.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe same Scan with the software over USB, this still works \ud83d\ude42<\/p>\n<p>In the following Pictures the Resolution in the Firmware was max. SWR = 5.<br \/>\nI change it later again to\u00a0max. SWR = 10, that I can use it as a Dip-meter.<br \/>\n<a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1101\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956-300x200.jpg\" alt=\"IMG_3956\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nI modify the firmware so that I can switch over the complete band in details. Here 80m.<br \/>\n<a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3956.jpg\"><br \/>\n<\/a><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1102\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961-300x200.jpg\" alt=\"IMG_3961\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961-450x300.jpg 450w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_3961.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><br \/>\nI<\/a>n the battery-pack I have now 2 accumulators with 3.6v and 1600mA together, so that I have over 7V. With the 7805 I make the 5V for the tester. \u00a0I charge it with 9v. This is\u00a0a 10m Mobile Antenna.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Update 3:<\/strong><\/span><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_40141.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1115\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_40141-300x200.jpg\" alt=\"IMG_4014\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_40141-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_40141.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/05\/IMG_40141-450x300.jpg 450w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nI add a third knob and a front plate. <strong>This third knob is connected to PIN4 and GND!<\/strong><br \/>\nThe Knobs are in my own firmware:<br \/>\nThe first: \u00a02 MHz up in a 3 MHz range (Detail sweep)<br \/>\nThe second: \u00a02 MHz down in a 3 MHz range (Detail sweep)<br \/>\nThe\u00a0third: Overview sweep from 1-30 MHz.<br \/>\nAnd I add a lost in % in the first line.<\/p>\n<p><span style=\"color: #000000;\"><strong>It&#8217;s very important that you are using\u00a0exactly\u00a0the same parts and modules!!!!!<br \/>\nA Firmware what is write for this Arduino and Display, will not work with a other!!!!!!!!!!!!!\u00a0It only works with my three knob version!!!<\/strong><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Here you can download my own version of the firmware:<\/strong><\/span><br \/>\n<strong><a href=\"http:\/\/dc2wk.schwab-intra.net\/DDS_sweeper1_TFT_swb.zip\">http:\/\/dc2wk.schwab-intra.net\/DDS_sweeper1_TFT_swb.zip<\/a><\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><strong>And here my own version of the windows tool:<\/strong><\/span><br \/>\n<strong><a href=\"http:\/\/dc2wk.schwab-intra.net\/VNA_Programm.zip\">http:\/\/dc2wk.schwab-intra.net\/VNA_Programm.zip<\/a><\/strong><\/p>\n<p><strong><span style=\"text-decoration: underline;\">Videos:<\/span><\/strong><\/p>\n<p><iframe loading=\"lazy\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/be48qOGbIyw?feature=oembed\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/wi8rTMCUb2Q?feature=oembed\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>Here the Resolution in the Firmware is max. SWR = 10.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Since the Project is very popular and I get a lot of inquiries , it is necessary here to clarify something. The newest Firmware is on this side at the end as a link ! So please don&#8217;t ask me &hellip; <a href=\"https:\/\/dc2wk.schwab-intra.net\/?page_id=1072\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/1072"}],"collection":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1072"}],"version-history":[{"count":30,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/1072\/revisions"}],"predecessor-version":[{"id":1990,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/1072\/revisions\/1990"}],"wp:attachment":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}