{"id":70,"date":"2015-10-15T22:26:14","date_gmt":"2015-10-15T20:26:14","guid":{"rendered":"http:\/\/www.twobears.at\/wordpress\/diy\/?p=70"},"modified":"2015-11-04T15:33:58","modified_gmt":"2015-11-04T14:33:58","slug":"pulsweitenmodulation-pwm","status":"publish","type":"post","link":"https:\/\/www.twobears.at\/wordpress\/diy\/pulsweitenmodulation-pwm\/","title":{"rendered":"PulsWeitenModulation (PWM)"},"content":{"rendered":"<p style=\"text-align: justify;\">Pulsweitenmodulation kann eingesetzt werden um einen analogen Ausgang zu simulieren. Man kann damit z.B. die Helligkeit einer Leuchtdiode regeln.<\/p>\n<p style=\"text-align: justify;\">Wie funktioniert das?<\/p>\n<p style=\"text-align: justify;\">Digitale Ausg\u00e4nge haben nur 2 Zust\u00e4nde: High oder Low also bei 5 V Versorgungsspannung 5V oder 0V.<br \/>\nWenn man den Ausgang jetzt aber sehr schnell ein- und ausschaltet so ist der Mittelwert der Spannung zwischen diesen beiden Werten.<br \/>\n<!--more--><\/p>\n<h2 style=\"text-align: justify;\">PWM mit dem Arduino<\/h2>\n<p style=\"text-align: justify;\">Pulsweitenmodulation geht mit dem Arduino recht einfach. Man verwendet dazu den Befehl &#8220;analogWrite(pin, value)<em>;<\/em>&#8221; &#8211; man schreibt also einen &#8220;analog Wert&#8221; auf einen Digitalausgang. Der Wert (value) kann zwischen 0 und 255 sein, wobei 0 einem Ausgangsmittelwert von 0V und 255 einem Ausgangsmittelwert von 5V entspricht.<\/p>\n<h2 style=\"text-align: justify;\">PWM mit dem Arduino MEGA 2560<\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pulsweitenmodulation kann eingesetzt werden um einen analogen Ausgang zu simulieren. Man kann damit z.B. die Helligkeit einer Leuchtdiode regeln. Wie funktioniert das? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[4,3],"tags":[14,13],"class_list":["post-70","post","type-post","status-publish","format-standard","hentry","category-arduino","category-elektronik","tag-pulsweitenmodulation","tag-pwm"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PulsWeitenModulation (PWM) - Arduino, Elektronik- und anderer Eigenbau<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.twobears.at\/wordpress\/diy\/pulsweitenmodulation-pwm\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PulsWeitenModulation (PWM) - Arduino, Elektronik- und anderer Eigenbau\" \/>\n<meta property=\"og:description\" content=\"Pulsweitenmodulation kann eingesetzt werden um einen analogen Ausgang zu simulieren. 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