{"id":1044,"date":"2011-02-20T16:54:16","date_gmt":"2011-02-20T15:54:16","guid":{"rendered":"http:\/\/www.gunnarherrmann.de\/blog\/?p=1044"},"modified":"2013-01-05T08:43:08","modified_gmt":"2013-01-05T06:43:08","slug":"lichtsensor-fur-den-arduino","status":"publish","type":"post","link":"http:\/\/www.gunnarherrmann.de\/blog\/lichtsensor-fur-den-arduino\/","title":{"rendered":"Lichtsensor f\u00fcr den Arduino"},"content":{"rendered":"<h2>Hardware: Aufbau auf dem Breadboard<\/h2>\n<p><a href=\"https:\/\/i0.wp.com\/www.gunnarherrmann.de\/blog\/wp-content\/uploads\/2011\/02\/Arduino_Lichtsensor.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.gunnarherrmann.de\/blog\/wp-content\/uploads\/2011\/02\/Arduino_Lichtsensor.gif?resize=248%2C300\" alt=\"\" title=\"Arduino_Lichtsensor\" width=\"248\" height=\"300\" class=\"aligncenter size-medium wp-image-1047\" srcset=\"https:\/\/i0.wp.com\/www.gunnarherrmann.de\/blog\/wp-content\/uploads\/2011\/02\/Arduino_Lichtsensor.gif?resize=248%2C300 248w, https:\/\/i0.wp.com\/www.gunnarherrmann.de\/blog\/wp-content\/uploads\/2011\/02\/Arduino_Lichtsensor.gif?w=560 560w\" sizes=\"auto, (max-width: 248px) 100vw, 248px\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<h2>Software<\/h2>\n<p><em>\/*<br \/>\nLichtsensor \u00fcber das serielle Interface auslesen und bei Dunkelheit LED einschalten<br \/>\n *\/<\/p>\n<p>int Analog0 = A0;    \/\/ Analogen Eingang 0 als Analog0 definieren<br \/>\nint helligkeit = 0;  \/\/ Variabel helligkeit auf 0 setzen<br \/>\nint helldunkelgrenze = 14; \/\/ Grenzwert hell-dunkel<br \/>\nvoid setup() {<br \/>\n  Serial.begin(300);  \/\/Serial-\u00dcbertragung auf 300Baud-reicht v\u00f6llig<br \/>\n  pinMode(10, OUTPUT);  \/\/Digitaler-Ausgang 10 f\u00fcr LED-Ansteuerung<br \/>\n}<\/p>\n<p>void loop() {<br \/>\n  helligkeit = analogRead(Analog0);    \/\/ Helligkeitssensor auslesen<br \/>\n  Serial.println(helligkeit, DEC);    \/\/ Ausgabe in dezimal \u00fcber Serial mit Linefeed zum Einstellen des Grenzwertes &#8222;helldunkelgrenze&#8220;<\/p>\n<p>  if (helligkeit < helldunkelgrenze) \n  {\n    digitalWrite(10, HIGH);          \/\/ LED an\n  }\n  if (helligkeit > helldunkelgrenze)<br \/>\n  {<br \/>\n    digitalWrite(10, LOW);          \/\/ LED aus<br \/>\n  }<br \/>\n  delay(500);           \/\/ 500ms Pause, damit nicht zuviele Zahlen \u00fcber den Screen laufen<br \/>\n}<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hardware: Aufbau auf dem Breadboard Software \/* Lichtsensor \u00fcber das serielle Interface auslesen und bei Dunkelheit LED einschalten *\/ int Analog0 = A0; \/\/ Analogen Eingang 0 als Analog0 definieren int helligkeit = 0; \/\/ Variabel helligkeit auf 0 setzen &hellip; <a href=\"http:\/\/www.gunnarherrmann.de\/blog\/lichtsensor-fur-den-arduino\/\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[12],"tags":[38,118],"class_list":["post-1044","post","type-post","status-publish","format-standard","hentry","category-hardware","tag-arduino","tag-lichtsensor"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lichtsensor f\u00fcr den Arduino<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.gunnarherrmann.de\/blog\/lichtsensor-fur-den-arduino\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lichtsensor f\u00fcr den Arduino\" \/>\n<meta property=\"og:description\" content=\"Hardware: Aufbau auf dem Breadboard Software \/* Lichtsensor \u00fcber das serielle Interface auslesen und bei Dunkelheit LED einschalten *\/ int Analog0 = A0; 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Oktober 2012","format":false,"excerpt":"Gestern habe ich verschiedene Teile f\u00fcr meinen Arduino bekommen. Zum Warmwerden habe ich die Temperatur mit dem LM 35 ausgelesen. Linkes Bein an +5V, mittleres Bein an A0 (Analogeingang 0) und rechtes Bein an GND (Masse). Ein paar Zeilen Code und schon kann ich auf dem Monitor der Arduino-Software die\u2026","rel":"","context":"In &quot;Hardware&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.gunnarherrmann.de\/blog\/wp-content\/uploads\/2012\/10\/LM35_Temperatur_Steckplatine-1024x623.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3123,"url":"http:\/\/www.gunnarherrmann.de\/blog\/highspeed-fotos-mit-dem-arduino-machen\/","url_meta":{"origin":1044,"position":1},"title":"Highspeed-Fotos mit dem Arduino machen","date":"11. Oktober 2012","format":false,"excerpt":"Der aktuelle Versuch klappt leider (noch) nicht. Der Plan war einen platzenden Ballon zu fotografieren. 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