{"id":4903,"date":"2023-11-27T15:31:58","date_gmt":"2023-11-27T15:31:58","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=4903"},"modified":"2023-11-27T16:45:03","modified_gmt":"2023-11-27T16:45:03","slug":"master-electricity-with-a-raspberry-pi-pico-oscilloscope","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/sv\/beharska-elektricitet-med-ett-oscilloskop-av-typen-raspberry-pi-pico\/","title":{"rendered":"Beh\u00e4rska elektricitet med ett Raspberry Pi Pico-oscilloskop"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope-1024x576.png\" alt=\"Pico Oscilloskop Titelbild\" class=\"wp-image-4926\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope-1024x576.png 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope-300x169.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope-768x432.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope-18x10.png 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/08\/Picoscilloscope.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Oscilloskop \u00e4r kraftfulla elektroniska testinstrument som fr\u00e4mst anv\u00e4nds f\u00f6r att visualisera och analysera elektriska signaler i elektroniska kretsar. De \u00e4r mycket anv\u00e4ndbara. Men de \u00e4r ocks\u00e5 extremt dyra. I den h\u00e4r handledningen ska jag visa dig hur du g\u00f6r ett billigt och enkelt oscilloskop med en Raspberry Pi Pico.<\/p>\n\n\n\n<p>Detta oscilloskop - som jag kallar ett \"Picoscilloskop\" - kretsar kring en Pico och Scoppy-appen p\u00e5 en Android-enhet. Du kan anv\u00e4nda det f\u00f6r att detektera och analysera l\u00e5gsp\u00e4nningssignaler.<\/p>\n\n\n\n<p>S\u00e5 h\u00e4r kommer jag att visa dig hur du s\u00e4tter ihop ett superbilligt oscilloskop med hj\u00e4lp av en Raspberry Pi Pico W och Scoppy i 5 enkla steg.<\/p>\n\n\n\n<p>Jag kommer att g\u00f6ra detta med en smartphone, men du kan ocks\u00e5 g\u00f6ra detta med en surfplatta. S\u00e5 l\u00e4nge du har Android 6.0 eller nyare b\u00f6r du vara redo.<\/p>\n\n\n\n<p><strong>VARNING<\/strong>: Elektricitet \u00e4r farligt. Var f\u00f6rsiktig och se till att du inte anv\u00e4nder oscilloskopet p\u00e5 n\u00e5got s\u00e4tt som kan skada dig eller andra. Detta Pico-oscilloskop fungerar endast med signaler med l\u00e5g sp\u00e4nning och l\u00e5g frekvens och b\u00f6r endast anv\u00e4ndas i s\u00e5dana fall.<\/p>\n\n\n\n<p>Denna oscilloskopupps\u00e4ttning \u00e4r utformad f\u00f6r att detektera sp\u00e4nningar under 3,3 V. Om du vill g\u00e5 h\u00f6gre kan du ta reda p\u00e5 mer <a href=\"https:\/\/github.com\/fhdm-dev\/scoppy\">h\u00e4r<\/a>. Men h\u00e4r kommer vi inte att spela med n\u00e5got som n\u00e5r upp till det.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vad du beh\u00f6ver<\/h2>\n\n\n\n<p>Jag anv\u00e4nder n\u00e5gra f\u00e5 komponenter h\u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En Raspberry Pi Pico W<\/li>\n\n\n\n<li>En Android-smartphone<\/li>\n\n\n\n<li>Ett br\u00f6dkort<\/li>\n\n\n\n<li>N\u00e5gra startkablar f\u00f6r m\u00e4n<\/li>\n\n\n\n<li>En USB-till-micro-USB-kabel som kan \u00f6verf\u00f6ra data<\/li>\n\n\n\n<li>USB-OTG-adapter<\/li>\n<\/ul>\n\n\n\n<p>Verkligen, alla ni <em>behov<\/em> \u00e4r en Pico, en Android-enhet, USB-kabeln och USB-OTG-adaptern f\u00f6r att f\u00e5 allt p\u00e5 plats. Men du kommer inte att kunna g\u00f6ra s\u00e5 mycket med det.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steg ett: Ladda ner firmware f\u00f6r Pico W<\/h2>\n\n\n\n<p>Scoppy firmware finns tillg\u00e4nglig f\u00f6r b\u00e5de Pico och Pico W. Du kan ladda ner firmware h\u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/fhdm-dev\/scpdl1\/raw\/master\/a\/v15\/scoppy-pico-v15.uf2\">Scoppy Pico Firmware<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/fhdm-dev\/scpdl1\/raw\/master\/a\/v15\/scoppy-picow-v15.uf2\">Scoppy Pico W Firmware<\/a><\/li>\n<\/ul>\n\n\n\n<p>Det ger dig en .uf2-fil som du sedan beh\u00f6ver flasha till din Pico.<\/p>\n\n\n\n<p>H\u00e5ll ned BOOTSEL-knappen och anslut din Pico till datorn. Kontrollera att du anv\u00e4nder en USB-kabel som kan \u00f6verf\u00f6ra data. Om den inte kan det kommer ingenting att h\u00e4nda.<\/p>\n\n\n\n<p>F\u00f6rutsatt att du anv\u00e4nder r\u00e4tt kabel kan du sedan sl\u00e4ppa BOOTSEL-knappen och en ny mapp kommer att visas: RPI-RP2. Du b\u00f6r ocks\u00e5 se att lysdioden p\u00e5 din Pico blinkar.<\/p>\n\n\n\n<p>Flytta .uf2-filen till mappen RPI-RP2 s\u00e5 matas den ut automatiskt efter fil\u00f6verf\u00f6ringen.<\/p>\n\n\n\n<p>Nu \u00e4r din Pico redo att anv\u00e4ndas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steg tv\u00e5: Ladda ner Scoppy p\u00e5 din Android<\/h2>\n\n\n\n<p>Scoppy \u00e4r en gratisapp som du kan ladda ner direkt fr\u00e5n Google Play Store. Du kan ocks\u00e5 uppgradera till Scoppy Premium, vilket kostar 2,29 euro i skrivande stund.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"1024\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/scoppy-461x1024.jpg\" alt=\"Scoppy App nedladdning\" class=\"wp-image-6209\" style=\"width:156px;height:auto\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/scoppy-461x1024.jpg 461w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/scoppy-135x300.jpg 135w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/scoppy-5x12.jpg 5w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/scoppy.jpg 576w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Jag tror att du kommer att tycka att gratisversionen \u00e4r tillr\u00e4ckligt bra f\u00f6r m\u00e5nga \u00e4ndam\u00e5l, men betalversionen erbjuder extra funktionalitet. S\u00e5 om du planerar att anv\u00e4nda Scoppy f\u00f6r lite mer komplicerade inst\u00e4llningar \u00e4r premium f\u00f6rmodligen v\u00e4rt pengarna.<\/p>\n\n\n\n<p>Och det \u00e4r betydligt billigare \u00e4n n\u00e5got av de andra oscilloskop du kommer att hitta!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steg tre: Anslut din Pico W till br\u00f6dbr\u00e4dan<\/h2>\n\n\n\n<p>Du beh\u00f6ver inte anv\u00e4nda en breadboard, men jag tycker alltid att det \u00e4r enklare f\u00f6r projekt som detta. S\u00e5 jag har en Pico W med en header ansluten, s\u00e5 att jag kan trycka ner den i mitt breadboard.<\/p>\n\n\n\n<p>Du kan alltid l\u00f6da p\u00e5 en header sj\u00e4lv om du inte har n\u00e5gon.<\/p>\n\n\n\n<p>Var f\u00f6rsiktig n\u00e4r du trycker in Pico i br\u00f6dbr\u00e4dan s\u00e5 att du inte r\u00e5kar bryta av n\u00e5gon av huvudstiften.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard-1024x768.jpg\" alt=\"En Raspberry Pi Pico i ett breadboard\" class=\"wp-image-6223\" style=\"width:475px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard-1024x768.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard-16x12.jpg 16w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/pico-breadboard.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steg fyra: Anslut Pico W till din Android<\/h2>\n\n\n\n<p>Du m\u00e5ste ansluta USB-OTG-adaptern till din telefon och sedan ansluta data\u00f6verf\u00f6ringskabeln till Pico W. USB-OTG (on-the-go) \u00e4r en specifikation som g\u00f6r det m\u00f6jligt f\u00f6r din smartphone att fungera som USB-v\u00e4rd.<\/p>\n\n\n\n<p>Du kan beh\u00f6va aktivera USB-OTG p\u00e5 din telefon. Och jag b\u00f6r n\u00e4mna att vissa smartphones inte har USB-OTG-funktioner. Men p\u00e5 nyare telefoner b\u00f6r du vanligtvis inte ha n\u00e5gra problem.<\/p>\n\n\n\n<p>F\u00f6r att aktivera USB-OTG beh\u00f6ver du vanligtvis bara g\u00e5 till Inst\u00e4llningar &gt; System &gt; OTG-anslutning.<\/p>\n\n\n\n<p>P\u00e5 min telefon ser det till exempel ut s\u00e5 h\u00e4r:<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"1024\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/otg-connection-461x1024.jpg\" alt=\"Aktivera USB-OTG p\u00e5 din smartphone\" class=\"wp-image-6214\" style=\"width:156px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/otg-connection-461x1024.jpg 461w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/otg-connection-135x300.jpg 135w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/otg-connection-5x12.jpg 5w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/otg-connection.jpg 576w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steg fem: Kontrollera ditt Picoscilloskop!<\/h2>\n\n\n\n<p>H\u00e4r beh\u00f6ver du en enkel jumperkabel fr\u00e5n hane till hane. Vi ska ansluta ena sidan till GP26 och den andra till GP22. S\u00e5 h\u00e4r kommer det att se ut:<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-1024x768.jpg\" alt=\"Scoppy-test\" class=\"wp-image-6219\" style=\"width:475px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-1024x768.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-16x12.jpg 16w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>GP26 \u00e4r ett av ADC-stiften (analog-till-digital-omvandlare) p\u00e5 Pico. I Scoppy-appen motsvarar det kanal 1, eftersom det \u00e4r ADC0. GP27 motsvarar kanal 2, eftersom det \u00e4r ADC1. <\/p>\n\n\n\n<p>Om du beh\u00f6ver en referens till GPIO-stiften kan du titta p\u00e5 det h\u00e4r diagrammet:<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"890\" height=\"585\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Screenshot-from-2023-11-27-15-38-12.png\" alt=\"Raspberry Pi Pico GPIO-stift\" class=\"wp-image-6218\" style=\"width:475px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Screenshot-from-2023-11-27-15-38-12.png 890w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Screenshot-from-2023-11-27-15-38-12-300x197.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Screenshot-from-2023-11-27-15-38-12-768x505.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Screenshot-from-2023-11-27-15-38-12-18x12.png 18w\" sizes=\"auto, (max-width: 890px) 100vw, 890px\" \/><figcaption class=\"wp-element-caption\">Kredit: <a href=\"https:\/\/www.raspberrypi.com\/documentation\/microcontrollers\/raspberry-pi-pico.html\">Dokumentation f\u00f6r Raspberry Pi Pico<\/a>.<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Om allt fungerar som det ska b\u00f6r du kunna g\u00e5 till Scoppy och trycka p\u00e5 \"Run\" och kontrollera att den \u00e4r inst\u00e4lld p\u00e5 Channel 1 f\u00f6r GP26 och Channel 2 f\u00f6r GP27. <\/p>\n\n\n\n<p>Du kommer att se n\u00e5got som ser ut s\u00e5 h\u00e4r:<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"461\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface-1024x461.jpg\" alt=\"Testgr\u00e4nssnitt f\u00f6r scoppy\" class=\"wp-image-6220\" style=\"width:475px\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface-1024x461.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface-300x135.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface-768x346.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface-18x8.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2023\/11\/Scoppy-Test-Interface.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Och s\u00e5 var det klart! Du \u00e4r redo att b\u00f6rja leka med ditt nya oscilloskop! Du kan \u00f6ka Horizontal TIME\/DIV om du vill att topparna och dalarna ska ligga l\u00e4ngre ifr\u00e5n varandra i visualiseringen. Du kan ocks\u00e5 \u00f6ka den vertikala TIME\/DIV om du vill att de ska l\u00f6pa h\u00f6gre i appen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Slutsats<\/h2>\n\n\n\n<p>Om du vill ha mer information kan du kolla in <a href=\"https:\/\/github.com\/fhdm-dev\/scoppy\">Scoppys GitHub-arkiv h\u00e4r<\/a>.<\/p>\n\n\n\n<p>P\u00e5 GitHub hittar du ocks\u00e5 f\u00f6ljande specifikationer f\u00f6r b\u00e5de oscilloskop- och logikanalysatorfunktionerna i Scoppy:<\/p>\n\n\n\n<p class=\"has-text-align-center\">Specifikationer f\u00f6r oscilloskop:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Max. Samplingsfrekvens: 500kS\/s (delas mellan kanalerna)<\/li>\n\n\n\n<li>Max. Analog bandbredd: 150 kHz<\/li>\n\n\n\n<li>Tid\/Div: 5us - 20secs<\/li>\n\n\n\n<li>Minnesdjupet beror p\u00e5 samplingsfrekvensen. Det varierar mellan 2 kpts (delas mellan kanaler) och 20 kpts i k\u00f6rl\u00e4ge och upp till 100 kpts f\u00f6r enbildstagningar.<\/li>\n\n\n\n<li>2 kanaler<\/li>\n\n\n\n<li>Automatisk och normal utl\u00f6sning<\/li>\n\n\n\n<li>Mark\u00f6rer<\/li>\n\n\n\n<li>X-Y-l\u00e4ge<\/li>\n\n\n\n<li>FFT<\/li>\n\n\n\n<li>Tr\u00e5dl\u00f6s anslutning<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\">Specifikationer f\u00f6r logikanalysator:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Max. Samplingsfrekvens: 25MS\/s (per kanal)<\/li>\n\n\n\n<li>Tid\/Div: 50ns - 100ms<\/li>\n\n\n\n<li>8 kanaler<\/li>\n<\/ul>\n\n\n\n<p>Om du letar efter andra projekt f\u00f6r din Raspberry Pi Pico kan du kolla in v\u00e5r serie Paragon Projects:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/picockpit.com\/raspberry-pi\/category\/paragon-projects\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Paragon-projekt<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Om du har n\u00e5gra fr\u00e5gor eller st\u00f6ter p\u00e5 n\u00e5gra problem \u00e4r du v\u00e4lkommen att kommentera nedan!<\/p>\n\n\n\n<p>Vad ska du g\u00f6ra med ditt nya Picoscilloskop?<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fsv%2Fbeharska-elektricitet-med-ett-oscilloskop-av-typen-raspberry-pi-pico%2F&text=Master%20Electricity%20with%20a%20Raspberry%20Pi%20Pico%20Oscilloscope\" title=\"Dela p\u00e5 X\" aria-label=\"Dela p\u00e5 X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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De \u00e4r mycket anv\u00e4ndbara. Men de \u00e4r ocks\u00e5 extremt dyra. I den h\u00e4r handledningen kommer jag att visa dig hur du g\u00f6r ett billigt och enkelt oscilloskop med en Raspberry Pi Pico. Detta oscilloskop - som jag kallar ett \"Picoscilloscope\" -...<\/p>","protected":false},"author":2,"featured_media":4926,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,220,3],"tags":[2245,2246,2247,2243,2249,1817,221,486,447,187,1816,456,2244,2248,743],"class_list":["post-4903","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-pico","category-raspberry-pi-projects","category-raspberry-pi-how-to","tag-android","tag-current","tag-electricity","tag-logic-analyzer","tag-make-an-oscilloscope-with-a-pico","tag-oscilloscope","tag-pico-w","tag-project","tag-projects","tag-raspberry-pi","tag-raspberry-pi-pico","tag-raspberry-pi-projects","tag-scoppy","tag-turn-pico-into-an-oscilloscope","tag-voltage"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Master Electricity with a Raspberry Pi Pico Oscilloscope | PiCockpit<\/title>\n<meta name=\"description\" content=\"Oscilloscopes are extremely useful. 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