{"id":33729,"date":"2022-07-20T08:00:22","date_gmt":"2022-07-20T06:00:22","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=33729"},"modified":"2025-01-17T10:30:09","modified_gmt":"2025-01-17T09:30:09","slug":"sygnal-pwm-co-to-takiego","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/sygnal-pwm-co-to-takiego\/","title":{"rendered":"Sygna\u0142 PWM &#8211; co to takiego?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"33729\" class=\"elementor elementor-33729\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e48440d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e48440d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-29427b3\" data-id=\"29427b3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-59fdf09 elementor-widget elementor-widget-text-editor\" data-id=\"59fdf09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jak sterowa\u0107 pr\u0119dko\u015bci\u0105 silnika? Jak przyciemnia\u0107 i rozja\u015bnia\u0107 diody LED? W tym artykule odpowiadamy w\u0142a\u015bnie na te pytania. Ta wiedza przyda si\u0119 Wam w wielu projektach.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc83e7c elementor-widget elementor-widget-text-editor\" data-id=\"bc83e7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"blog-special\"><strong>Wsp\u00f3\u0142czynnik wype\u0142nienia impulsu<\/strong> (%) mo\u017cna obliczy\u0107 jako stosunek czasu pracy si\u0142ownika do sumy czasu pracy i czasu bezczynno\u015bci.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e6795ab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e6795ab\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6c492d2\" data-id=\"6c492d2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-126d8e0 elementor-widget elementor-widget-spacer\" data-id=\"126d8e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21cadf5 elementor-widget elementor-widget-heading\" data-id=\"21cadf5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Czym jest PWM i wype\u0142nienie?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-86bca2b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"86bca2b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c4b324b\" data-id=\"c4b324b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-86a10b6 elementor-widget elementor-widget-text-editor\" data-id=\"86a10b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PWM to w rozwini\u0119ciu Pulse-Width Modulation, czyli z angielskiego \u201cmodulacja szeroko\u015bci\u0105 pulsu\u201d. Jest to <b>metoda sterowania sygna\u0142em pr\u0105dowym lub napi\u0119ciowym, poprzez zmian\u0119 wype\u0142nienia sygna\u0142u<\/b>. Amplituda oraz cz\u0119stotliwo\u015b\u0107 sygna\u0142u pozostaje sta\u0142a, ale zmienia si\u0119 tak zwane wype\u0142nienie.\u00a0<\/p><p><span style=\"font-size: 1rem;\">Wyobra\u017a sobie prosty uk\u0142ad, w kt\u00f3rym zainstalowana jest <a href=\"https:\/\/botland.com.pl\/65-diody-led-i-akcesoria\" data-wpel-link=\"internal\">dioda LED<\/a>, kt\u00f3ra w\u0142\u0105cza si\u0119 i wy\u0142\u0105cza na przemian programowo. Od momentu w\u0142\u0105czenia diody, przez jej wy\u0142\u0105czenie, a\u017c do ponownego w\u0142\u0105czenia okres czasu jest r\u00f3wny 1 milisekund\u0119. Za \u201cw\u0142\u0105czenie\u201d mo\u017cna uzna\u0107 moment, w kt\u00f3rym do diody dostarczany jest sygna\u0142 logiczny &#8220;1&#8221;, czyli na jej wyprowadzenie podano zasilanie o w\u0142a\u015bciwej dla niej warto\u015bci napi\u0119cia. Wy\u0142\u0105czeniem natomiast nazwiemy moment, w kt\u00f3rym dioda otrzymuje logiczne \u201c0\u201d, czyli jest pozbawiona zasilania. Dioda przez p\u00f3\u0142 milisekundy \u015bwieci, natomiast przez drugie p\u00f3\u0142 milisekundy jest wy\u0142\u0105czona i ten proces powtarza si\u0119 w k\u00f3\u0142ko. W ten spos\u00f3b wygl\u0105da ka\u017cda milisekunda. Z perspektywy ludzkiego oka nawet nie wida\u0107 mrugania &#8211; <b>zmiana jest dla nas zbyt szybka do zauwa\u017cenia, co daje z\u0142udny efekt, \u017ce dioda po prostu \u015bwieci s\u0142abiej<\/b>, ni\u017c gdyby by\u0142a na sta\u0142e w\u0142\u0105czona.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9a7deff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9a7deff\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61ab6a7\" data-id=\"61ab6a7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4473da3 elementor-widget elementor-widget-image\" data-id=\"4473da3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-image-35977\" alt=\"uk\u0142ad z diodami LED\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-768x432.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-300x169.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-1024x576.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-1536x864.jpg 1536w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/piqsels.com-id-filym-2048x1152.jpg 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Elektroniczny uk\u0142ad z diodami LED to jeden z najprostrzych do zbudowania obwod\u00f3w.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d14b00f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d14b00f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e4a5e77\" data-id=\"e4a5e77\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4ad550f elementor-widget elementor-widget-text-editor\" data-id=\"4ad550f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 1rem;\">Zmieniaj\u0105c wsp\u00f3\u0142czynnik wype\u0142nienia, tak naprawd\u0119 <b>zmienia si\u0119 czas trwania stanu wysokiego<\/b> (\u015bwiecenia diody) podczas okre\u015blonego okresu (w tym przypadku 1 milisekundy). Przyk\u0142adowo, je\u017celi wype\u0142nienie zostanie zwi\u0119kszone, to dioda mo\u017ce \u015bwieci\u0107 0,8 milisekundy i nie \u015bwieci\u0107 przez 0,2 milisekundy. W efekcie, dla ludzkiego oka dioda b\u0119dzie po prostu \u015bwieci\u0142a ja\u015bniej ni\u017c z wype\u0142nieniem pozwalaj\u0105cym \u015bwieci\u0107 jej tylko przez 50% okresu. Procent okresu, w kt\u00f3rym stan logiczny jest wysoki nazywamy w\u0142a\u015bnie wsp\u00f3\u0142czynnikiem wype\u0142nienia. Czyli w uproszczeniu, zasada dzia\u0142ania sygna\u0142u <b>PWM to spos\u00f3b modulacji prostok\u0105tnego sygna\u0142u, poprzez regulacj\u0119 szeroko\u015bci impulsu<\/b> (czyli regulacj\u0119 wsp\u00f3\u0142czynnika wype\u0142nienia w danym przedziale czasowym).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8aecc49 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8aecc49\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cd24a19\" data-id=\"cd24a19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1892060 elementor-widget elementor-widget-spacer\" data-id=\"1892060\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b22f5b elementor-widget elementor-widget-heading\" data-id=\"9b22f5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PWM w Arduino i Raspberry Pi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dd81d60 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd81d60\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e1fde4f\" data-id=\"e1fde4f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a411ea elementor-widget elementor-widget-text-editor\" data-id=\"6a411ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PWM to powszechnie stosowany sygna\u0142 w technice mikroprocesorowej. Mo\u017cna go \u0142atwo zaimplementowa\u0107 programowo, ale w p\u0142ytkach takich jak Arduino czy <a href=\"https:\/\/botland.com.pl\/399-raspberry-pi\" data-wpel-link=\"internal\">Raspberry Pi<\/a> przygotowane s\u0105 odpowiednie porty do tego celu. <b>Sygna\u0142 PWM jest w tym przypadku generowany sprz\u0119towo<\/b>, co mo\u017ce znacz\u0105co odci\u0105\u017ca\u0107 dzia\u0142anie programu oraz \u015bci\u0105ga z programisty konieczno\u015b\u0107 samodzielnego pisania takiego kodu, wykorzystuj\u0105c przerwania mikroprocesora. Dla przyk\u0142adu w <a href=\"https:\/\/botland.com.pl\/arduino-seria-podstawowa-oryginalne-plytki\/1060-arduino-uno-rev3-a000066-7630049200050.html\" data-wpel-link=\"internal\">Arduino UNO<\/a> znajduj\u0105 si\u0119 kana\u0142y, kt\u00f3re s\u0105 w stanie sprz\u0119towo generowa\u0107 sygna\u0142 PWM &#8211; najcz\u0119\u015bciej w tego typu urz\u0105dzeniach pe\u0142ny okres to 1\/490 sekundy, a wype\u0142nienie mo\u017ce mie\u015bci\u0107 si\u0119 w granicach od 0 do 255 (8 bit\u00f3w).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4865601 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4865601\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-e546c41\" data-id=\"e546c41\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f0516f0 elementor-widget elementor-widget-image\" data-id=\"f0516f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/04\/raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz-300x300.jpg\" class=\"attachment-medium size-medium wp-image-34418\" alt=\"Raspberry Pi\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/04\/raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz-300x300.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/04\/raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz-150x150.jpg 150w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/04\/raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz-768x768.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/04\/raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Raspberry Pi 4<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9704908 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"9704908\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/399-raspberry-pi\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-dc1fa0e\" data-id=\"dc1fa0e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b825a81 elementor-widget elementor-widget-image\" data-id=\"b825a81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/Arduino-Uno-rev-3-300x300.jpg\" class=\"attachment-medium size-medium wp-image-30384\" alt=\"Minikomputer Arduino\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/Arduino-Uno-rev-3-300x300.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/Arduino-Uno-rev-3-150x150.jpg 150w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/10\/Arduino-Uno-rev-3.jpg 540w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Arduino UNO<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f129e7 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1f129e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/283-arduino-moduly-glowne\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f903f32 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f903f32\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5af6e2a\" data-id=\"5af6e2a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1105ea6 elementor-widget elementor-widget-spacer\" data-id=\"1105ea6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87f2ca4 elementor-widget elementor-widget-heading\" data-id=\"87f2ca4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Do czego mo\u017ce by\u0107 wykorzystywany PWM?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c8a45e3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c8a45e3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5eb6c38\" data-id=\"5eb6c38\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52f20b8 elementor-widget elementor-widget-text-editor\" data-id=\"52f20b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Najbardziej oczywiste wykorzystanie sygna\u0142u PWM to oczywi\u015bcie <b>sterowanie jasno\u015bci\u0105 \u015bwiecenia <a href=\"https:\/\/botland.com.pl\/870-diody-led\" data-wpel-link=\"internal\">diody LED<\/a><\/b>, ale powszechnie stosuje si\u0119 go do znacznie szerszego spektrum zastosowa\u0144. Dobrym przyk\u0142adem jest <b>sterowanie prac\u0105 <a href=\"https:\/\/botland.com.pl\/724-silniki-dc-prad-staly\" data-wpel-link=\"internal\">silnika DC<\/a><\/b>. Zmieniaj\u0105c warto\u015b\u0107 wype\u0142nienia mo\u017cesz \u0142atwo ogranicza\u0107 lub zwi\u0119ksza\u0107 pr\u0119dko\u015b\u0107 obrot\u00f3w wa\u0142u silnika.\u00a0<\/p><p>Dzi\u0119ki takiemu sterowaniu mo\u017cesz sensownie sterowa\u0107 na przyk\u0142ad pr\u0119dko\u015bci\u0105 jazdy Twojego robota mobilnego. Mo\u017cesz \u0142atwo sprawdzi\u0107 dzia\u0142anie takiego uk\u0142adu. Wystarczy do tego celu p\u0142ytka stykowa, silniczek, kilka przewod\u00f3w po\u0142\u0105czeniowych, mostek H oraz na przyk\u0142ad Arduino i <a href=\"https:\/\/botland.com.pl\/103-potencjometry-obrotowe-suwakowe-i-liniowe\" data-wpel-link=\"internal\">potencjometr<\/a>. Po prawid\u0142owym po\u0142\u0105czeniu komponent\u00f3w <b>mo\u017cesz sterowa\u0107 potencjometrem zmieniaj\u0105c wype\u0142nienie sygna\u0142u PWM<\/b> podawanego na silnik DC.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-41aebfc elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"41aebfc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f0f318d\" data-id=\"f0f318d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-953a8df elementor-widget elementor-widget-text-editor\" data-id=\"953a8df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Podobny efekt mo\u017cesz uzyska\u0107 zamiast silniczka pod\u0142\u0105czaj\u0105c\u00a0<a href=\"https:\/\/botland.com.pl\/503-buzzery-generatory-dzwieku\" data-wpel-link=\"internal\">buzzer<\/a>. Zmieniaj\u0105c wype\u0142nienie\u00a0<b>b\u0119dziesz w stanie sterowa\u0107 g\u0142o\u015bno\u015bci\u0105 emitowanego d\u017awi\u0119ku<\/b>. Kolejnym praktycznym zastosowaniem tego sygna\u0142u mo\u017ce by\u0107 na przyk\u0142ad serwomechanizm. Odpowiednio zmieniaj\u0105c wype\u0142nienie mo\u017cesz precyzyjnie ustawia\u0107 jego po\u0142o\u017cenie. Im wi\u0119ksza rozdzielczo\u015b\u0107 sygna\u0142u PWM, tym dok\u0142adniej b\u0119dziesz m\u00f3g\u0142 okre\u015bla\u0107 zadan\u0105 pozycj\u0119.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2cf29d3\" data-id=\"2cf29d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7bdd32c elementor-widget elementor-widget-image\" data-id=\"7bdd32c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"461\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/pexels-vanessa-loring-7869139-1-768x461.jpg\" class=\"attachment-medium_large size-medium_large wp-image-35981\" alt=\"Obw\u00f3d elektryczny\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/pexels-vanessa-loring-7869139-1-768x461.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/pexels-vanessa-loring-7869139-1-300x180.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2022\/07\/pexels-vanessa-loring-7869139-1.jpg 1000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Wystarczy najprostszy uk\u0142ad, by pozna\u0107 i przetestowa\u0107 dzia\u0142anie synga\u0142u PWM.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-551ce18 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"551ce18\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b5f1683\" data-id=\"b5f1683\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5e5ed97 elementor-widget elementor-widget-text-editor\" data-id=\"5e5ed97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To znakomite\u00a0<b>rozwi\u0105zanie, kt\u00f3re \u015bwietnie sprawdzi si\u0119 na przyk\u0142ad do robot\u00f3w wymagaj\u0105cych du\u017cej precyzji w ruchach<\/b>.\u00a0Pr\u00f3buj\u0105c uzyska\u0107 ten sam efekt za pomoc\u0105 zestawu zwyk\u0142ego silnika DC oraz enkodera, niestety otrzymasz znacznie mniej dok\u0142adny rezultat.\u00a0<\/p><p>Jest jeszcze praktycznie niesko\u0144czona ilo\u015b\u0107 innych praktycznych zastosowa\u0144 dla sygna\u0142u PWM. Warto samodzielnie po\u0107wiczy\u0107 i sprawdzi\u0107 w jaki spos\u00f3b dzia\u0142a to zjawisko, aby w przysz\u0142o\u015bci m\u00f3c je sprawnie wykorzystywa\u0107 w swoich projektach.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sygna\u0142 PWM to poj\u0119cie znane dla ka\u017cdego elektronika, kt\u00f3ry zajmuje si\u0119 technik\u0105 mikroprocesorow\u0105. Nie wiesz co to takiego? Ten artyku\u0142 jest dla Ciebie!<\/p>\n","protected":false},"author":21,"featured_media":63036,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[136],"tags":[35,147,100],"class_list":["post-33729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciekawostki","tag-arduino-tag","tag-elektronika","tag-raspberry-pi-tag"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sygna\u0142 PWM - co to takiego? - Botland<\/title>\n<meta name=\"description\" content=\"Sygna\u0142 PWM to jedno z podstawowych narz\u0119dzi elektronik\u00f3w i robotyk\u00f3w. 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