{"id":238,"date":"2019-06-21T12:11:03","date_gmt":"2019-06-21T17:11:03","guid":{"rendered":"https:\/\/delphijustin.biz\/?p=238"},"modified":"2020-06-18T16:00:57","modified_gmt":"2020-06-18T21:00:57","slug":"android-scope-probe","status":"publish","type":"post","link":"https:\/\/delphijustin.biz\/android-scope-probe\/","title":{"rendered":"Android Scope Probe"},"content":{"rendered":"\n<p class=\"MsoNormal\">This useful cord can allow an Android Phone\/Tablet to be\nused as an osciloscope. All you need is the 4-pole 3.5mm jack to 3 rca cable.\nThe cord will need to be modified and be tested with an resistance meter, so\nyou can figure out which wire goes where. NOTE: EVERY CORD IS DIFFERNET! Also\nsome phones or tablets can be stuborn and only use the cord if theres a load on\nthe left and right speaker pins. Use a 7.5 ohm resistor, wattage shouldn\u2019t matter\nbecause headphone standard is 1 miliwatt. The schematic is below:<\/p>\n<p class=\"MsoNormal\"><img decoding=\"async\" loading=\"lazy\" src=\"\/wp-content\/pictures\/circuits\/android-scope.jpg\" width=\"541\" height=\"406\" \/><\/p>\n<p class=\"MsoNormal\">The only thing bad about this circuit is sometimes series resistances\nwith the signal you\u2019re measuring increase the division.<\/p>\n<p>Links:<br \/>\n<a href=\"https:\/\/www.allelectronics.com\/item\/cb-218\/camcorder\/ipod-video-av-cable\/1.html\">4-pole 3.5mm to rca(thus link has changed because All Electronics went out of stock on the other one)<\/a><br \/>\n<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=org.sbaudio.oscope\">Software<\/a><br \/>\n<a href=\"https:\/\/youtu.be\/lQ4NsiicZsY\">Youtube video(old)<\/a><\/p>\n<a href=\"https:\/\/youtu.be\/6szGTSee-Sk\">YouTube video(new)<\/a>\n<script src=\"\/\/delphianserver.com\/counter\/ibuiltit.js\" type=\"text\/javascript\"><\/script>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-scaled.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"2560\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-scaled.jpg\" data-id=\"1283\" class=\"wp-image-1283\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-scaled.jpg 1440w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-169x300.jpg 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-576x1024.jpg 576w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-768x1365.jpg 768w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-864x1536.jpg 864w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-1152x2048.jpg 1152w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-1592496251006710906762-1568x2787.jpg 1568w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Using a blue box as the case<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-scaled.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"2560\" height=\"1440\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-scaled.jpg\" data-id=\"1284\" class=\"wp-image-1284\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-scaled.jpg 2560w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-300x169.jpg 300w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-1024x576.jpg 1024w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-768x432.jpg 768w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-1536x864.jpg 1536w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-2048x1152.jpg 2048w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/wp-15924963939741890357172-1568x882.jpg 1568w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Alligator clip to change the division<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155143038498196667.png\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"1280\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155143038498196667.png\" data-id=\"1286\" class=\"wp-image-1286\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155143038498196667.png 720w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155143038498196667-169x300.png 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155143038498196667-576x1024.png 576w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">110Hz sine wave<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_1552050941130229674.png\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"1280\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_1552050941130229674.png\" data-id=\"1288\" class=\"wp-image-1288\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_1552050941130229674.png 720w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_1552050941130229674-169x300.png 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_1552050941130229674-576x1024.png 576w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">110 Hz square wave<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155223459189272838.png\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"1280\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155223459189272838.png\" data-id=\"1290\" class=\"wp-image-1290\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155223459189272838.png 720w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155223459189272838-169x300.png 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155223459189272838-576x1024.png 576w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">110Hz triangle wave<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155237071328055023.png\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"1280\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155237071328055023.png\" data-id=\"1287\" class=\"wp-image-1287\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155237071328055023.png 720w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155237071328055023-169x300.png 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155237071328055023-576x1024.png 576w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">110Hz sawtooth wave<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155253866267053304.png\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"1280\" src=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155253866267053304.png\" data-id=\"1289\" class=\"wp-image-1289\" srcset=\"https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155253866267053304.png 720w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155253866267053304-169x300.png 169w, https:\/\/delphijustin.biz\/wp-content\/uploads\/2020\/06\/20200618_155253866267053304-576x1024.png 576w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">110Hz reverse sawtooth wave<\/figcaption><\/figure><\/li><\/ul><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This useful cord can allow an Android Phone\/Tablet to be used as an osciloscope. All you need is the 4-pole 3.5mm jack to 3 rca cable. The cord will need to be modified and be tested with an resistance meter, so you can figure out which wire goes where. NOTE: EVERY CORD IS DIFFERNET! Also &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/delphijustin.biz\/android-scope-probe\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Android Scope Probe&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"beyondwords_generate_audio":"","beyondwords_project_id":"","beyondwords_content_id":"","beyondwords_preview_token":"","beyondwords_player_style":"","beyondwords_language_id":"","beyondwords_title_voice_id":"","beyondwords_body_voice_id":"","beyondwords_summary_voice_id":"","beyondwords_error_message":"","beyondwords_disabled":"","beyondwords_delete_content":"","beyondwords_podcast_id":"","beyondwords_hash":"","publish_post_to_speechkit":"","speechkit_hash":"","speechkit_generate_audio":"","speechkit_project_id":"","speechkit_podcast_id":"","speechkit_error_message":"","speechkit_disabled":"","speechkit_access_key":"","speechkit_error":"","speechkit_info":"","speechkit_response":"","speechkit_retries":"","speechkit_status":"","speechkit_updated_at":"","_speechkit_link":"","_speechkit_text":""},"categories":[2],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/posts\/238"}],"collection":[{"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":5,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":1291,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/posts\/238\/revisions\/1291"}],"wp:attachment":[{"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/delphijustin.biz\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}