{"id":430,"date":"2020-09-08T20:08:45","date_gmt":"2020-09-08T20:08:45","guid":{"rendered":"http:\/\/fambach.net\/?p=430"},"modified":"2026-10-18T19:43:43","modified_gmt":"2026-10-18T19:43:43","slug":"node-mcu-v3-0","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/node-mcu-v3-0\/","title":{"rendered":"Node MCU V3.0"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Ansicht\" >View<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Fakten\" >Facts<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Pinning\" >Pinning<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Programmierung\" >Programming<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Mit_Arduino_Umgebung\" >Mit Arduino Umgebung<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Zubehor\" >Zubeh\u00f6r<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Probleme\" >Problems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Board_wird_nicht_erkannt_oder_verabschiedet_sich_dauernd\" >Board wird nicht erkannt oder verabschiedet sich dauernd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#LED_BUILTIN_funktioniert_nicht\" >LED_BUILTIN funktioniert nicht<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Sonstiges\" >Miscellaneous<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Spannungsversorgung_des_ESPNodeMcu_V3\" >Spannungsversorgung des ESPNodeMcu V3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Verwandte_Beitrage\" >Related Posts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Fazit\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/#Quellen\" >Sources<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Ein Entwicklungsboard mit dem ESP8266-12E inklusive einer USB Schnittstelle zur Programmierung und seriellen Kommunikation. Hierbei gleicht das Board der Version 1.0\/2.0. Es kann \u00fcber den USB Port mit Spannung versorgt werden, \u00fcber 5 Volt am Vin Pin sowie mit 3-3.6V an den 3.3V Pins. Zus\u00e4tzlich besitzt es einen Ausgang f\u00fcr die USB Spannung (siehe Pinout).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ansicht\"><span class=\"ez-toc-section\" id=\"Ansicht\"><\/span>View<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.fambach.net\/en\/node-mcu-v3-0\/esp8266modemcuv3front\/\"><img loading=\"lazy\" decoding=\"async\" width=\"156\" height=\"300\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Front-156x300.jpg\" alt=\"NodeMCU V3 Front\" data-id=\"1133\" data-full-url=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Front.jpg\" data-link=\"https:\/\/www.fambach.net\/node-mcu-v3-0\/esp8266modemcuv3front\/\" class=\"wp-image-1133\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Front-156x300.jpg 156w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Front-6x12.jpg 6w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Front.jpg 300w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/a><figcaption class=\"blocks-gallery-item__caption\">NodeMCU V3 Front<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.fambach.net\/en\/node-mcu-v3-0\/esp8266modemcuv3back\/\"><img loading=\"lazy\" decoding=\"async\" width=\"165\" height=\"300\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Back-165x300.jpg\" alt=\"NodeMCU V3 Unten\" data-id=\"1132\" data-full-url=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Back.jpg\" data-link=\"https:\/\/www.fambach.net\/node-mcu-v3-0\/esp8266modemcuv3back\/\" class=\"wp-image-1132\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Back-165x300.jpg 165w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Back-7x12.jpg 7w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ESP8266ModeMCUV3Back.jpg 300w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/a><figcaption class=\"blocks-gallery-item__caption\">NodeMCU V3 Unten<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.fambach.net\/en\/?attachment_id=1106\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"186\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/06\/ESP8266ModeMCUV3ShieldPerspective-300x186.jpg\" alt=\"NodeMCU V3 Auf Board\" data-id=\"1106\" data-full-url=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/06\/ESP8266ModeMCUV3ShieldPerspective.jpg\" data-link=\"https:\/\/www.fambach.net\/?attachment_id=1106\" class=\"wp-image-1106\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/06\/ESP8266ModeMCUV3ShieldPerspective.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/06\/ESP8266ModeMCUV3ShieldPerspective-18x12.jpg 18w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/a><figcaption class=\"blocks-gallery-item__caption\">NodeMCU V3 Auf Board<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fakten\"><span class=\"ez-toc-section\" id=\"Fakten\"><\/span>Facts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"taxmod-record-block wp-block-taxmod-record\"><div class=\"taxmod-comparison-wrap\"><table class=\"taxmod-comparison\"><thead><tr><th><\/th><th class=\"taxmod-comparison-value taxmod-comparison-main\">Node MCU 3.0<\/th><\/tr><\/thead><tbody><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Processor<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">ESP8266-12E<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Kernel<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Tact<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">80 MHz<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Flash<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">4 Megabytes<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">SRAM<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">128 KB<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Digitale Pins<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">13<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Analoge Eing\u00e4nge<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">PWM-Pins<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">10<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">UART<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">SPI<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">I\u00b2C<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">WLAN<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">2,4 GHz 802.11 b\/g\/n \u00b7 WEP \/ WPA2 \/ TKIP \/AES<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">USB<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">1 micro<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Operating voltage<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">3,3 V<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Input voltage<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">3,3 \/ 5 USB \/ unter 9 Vin<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Stromaufnahme<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">500-1000 mA<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Abmessungen<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">62 x 33 x 12 mm<\/td><\/tr><tr class=\"taxmod-comparison-group\"><td class=\"taxmod-comparison-term\">Weight<\/td><td class=\"taxmod-comparison-value taxmod-comparison-main\">unter 18 g<\/td><\/tr><\/tbody><\/table><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">Die Version 3.0 passt leider nicht mehr auf ein Bread-Board (siehe Bild).<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-658x1024.jpg\" alt=\"\" class=\"wp-image-432\" width=\"165\" height=\"256\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-658x1024.jpg 658w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-986x1536.jpg 986w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-8x12.jpg 8w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-193x300.jpg 193w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard-768x1196.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3BreadBoard.jpg 1016w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption>NodeMCU V3 auf Brotbrett<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pinning\"><span class=\"ez-toc-section\" id=\"Pinning\"><\/span>Pinning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"816\" height=\"629\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/nodemcu-pinout.jpg\" alt=\"\" class=\"wp-image-431\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/nodemcu-pinout.jpg 816w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/nodemcu-pinout-16x12.jpg 16w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/nodemcu-pinout-300x231.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/nodemcu-pinout-768x592.jpg 768w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Die eingebaute LED befindet sich an Pin D4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"programmierung\"><span class=\"ez-toc-section\" id=\"Programmierung\"><\/span>Programming<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e4prozessor\u00a0 auf esp 8266 pr\u00fcfen:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">#ifdef ESP8266<br>\n#define PIN_FOR_LED D4<br>\n#else<br>\n#define PIN_FOR_LED 5<br>\n#endif<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">.. auf NODE MCU V3 pr\u00fcfen?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mit-arduino-umgebung\"><span class=\"ez-toc-section\" id=\"Mit_Arduino_Umgebung\"><\/span>Mit Arduino Umgebung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Installation und die Programmierung ist gleich mit der Version 1.0\/2.0, deshalb an dieser Stelle nur der <span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/esp8266-node-mcu-2-0\/#MCU20Programmierung\" class=\"ub-content-link__anchor\">Link<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"zubehoer\"><span class=\"ez-toc-section\" id=\"Zubehor\"><\/span>Zubeh\u00f6r<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed-wordpress wp-block-embed is-type-wp-embed is-provider-stefan-039-s-webblog\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"Q9iWZD4FhW\"><span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/erweiterungsplatine-v1-fuer-node-mcu-v3-node-mcu-base\/\" class=\"ub-content-link__anchor\">NodeMCU Base for Node V3<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u201eNode MCU Base f\u00fcr Node V3\u201c \u2014 Stefan's WebBlog\" src=\"https:\/\/www.fambach.net\/erweiterungsplatine-v1-fuer-node-mcu-v3-node-mcu-base\/embed\/#?secret=Q9iWZD4FhW\" data-secret=\"Q9iWZD4FhW\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"probleme\"><span class=\"ez-toc-section\" id=\"Probleme\"><\/span>Problems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/esp8266-node-mcu-2-0\/#MCU2Probleme\" class=\"ub-content-link__anchor\">Siehe auch Version 1.0\/2.0<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"board-wird-nicht-erkannt-oder-verabschiedet-sich-dauernd\"><span class=\"ez-toc-section\" id=\"Board_wird_nicht_erkannt_oder_verabschiedet_sich_dauernd\"><\/span>Board wird nicht erkannt oder verabschiedet sich dauernd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sollte das Board nicht erkannt werden oder das Ger\u00e4t meldet sich dauernd neu beim Computer an, kann das an der Stromversorgung liegen. Die USB Stromversorgung reicht bei diesem Board meist nicht aus. Dies kann durch eine externe Spannungsquelle (Netzteil, Akku od. Batterie) umgangen werden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hier bieten sich Akkus mit Pinheader \u00e4hnlichem Anschluss an. Diese k\u00f6nnen einfach auf die Pins des Boards gesteckt werden. Die Akkus gibts relativ g\u00fcnstig. Vorsicht, auf die Polung achten, sonst raucht\u2019s.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-599x1024.jpg\" alt=\"\" class=\"wp-image-440\" width=\"150\" height=\"256\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-599x1024.jpg 599w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-898x1536.jpg 898w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-1198x2048.jpg 1198w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-7x12.jpg 7w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-175x300.jpg 175w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-768x1313.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/MCU3MitAkku-scaled.jpg 1497w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption>NodeMcu V3 mit 3.3V Lipo<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"led_builtin-funktioniert-nicht\"><span class=\"ez-toc-section\" id=\"LED_BUILTIN_funktioniert_nicht\"><\/span>LED_BUILTIN funktioniert nicht<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">?D4 ist der Port f\u00fcr die eingebaute LED. Einfach mal damit probieren.?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sonstiges\"><span class=\"ez-toc-section\" id=\"Sonstiges\"><\/span>Miscellaneous<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"spannungsversorgung-des-espnodemcu-v3\"><span class=\"ez-toc-section\" id=\"Spannungsversorgung_des_ESPNodeMcu_V3\"><\/span>Spannungsversorgung des ESPNodeMcu V3 <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>USB<\/li><li>Batterie<\/li><li>Netzteil<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Das Board verf\u00fcgt laut Hersteller f\u00fcr den VIN Eingang \u00fcber einen Spannungsregler 3.3V LDO 800mA SOT223 .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Paul aus Mecklenburg hat mich darauf aufmerksam gemacht, dass hier widerspr\u00fcchliche Angaben kursieren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Also habe ich mal auf meine Boards geschaut und siehe da, ein AMS 1117-3.3V ist verbaut. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/WIN_20200828_18_31_42_Pro.jpg\" alt=\"LoLin NodeMcu V3 Spannungswandler AMS 117 3.3V\" class=\"wp-image-5915\" width=\"240\" height=\"320\"><figcaption>LoLin NodeMcu V3 Spannungswandler AMS 117 3.3V<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/www.digchip.com\/datasheets\/parts\/datasheet\/015\/AMS1117-3_3-pdf.php\" class=\"ub-content-link__anchor\">Datenblatt AMS1117.3.3<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Datenbl\u00e4tter lassen hier noch einen Spielraum von 12 -15V maximaler Eingangsspannung. Also habe ich mir mal ein einstellbares Netzteil bestellt und langsam die Spannung hochgedreht. Bei ca. 10V ist das Board schon als Heizung zu verwenden. Bei ca. 11V sind die Zuleitungen zum Spannungswandler weggeraucht. Fazit, auch wenn der Wandler bis zu 15V runterwandeln kann, halten es die d\u00fcnnen Leiterbahnen nicht aus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eine L\u00f6sung bietet die <span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a href=\"https:\/\/www.fambach.net\/en\/erweiterungsplatine-v1-fuer-node-mcu-v3-node-mcu-base\/\" data-type=\"post\" data-id=\"5956\" class=\"ub-content-link__anchor\">Motor Base (Zusatzplatine)<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span>, diese kann 6V-24V vertragen und lief in meinem Test mit 16,2V \u00fcber eine halbe Stunde ohne Probleme und ohne markante W\u00e4rmeentwicklung. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1880\" height=\"1783\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841.jpg\" alt=\"Node MCU V3 mit Base an 16,2V\" class=\"wp-image-5969\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841.jpg 1880w, https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841-300x285.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841-1024x971.jpg 1024w, https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841-768x728.jpg 768w, https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841-1536x1457.jpg 1536w, https:\/\/www.fambach.net\/wp-content\/uploads\/20200910_115841-13x12.jpg 13w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><figcaption>Node MCU V3 mit Base an 16,2V<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"verwandte-beitraege\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Related Posts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"display-posts-listing\"><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp-web-serial-bibliothek\/\">ESP WEB Serial Library<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp01-relay-platinen-2\/\">ESP01 \u2013 DHT11 Temperatur und Feuchte Sensor Platinen<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/customkeyboard\/\">CustomKeyboard Library<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp8266-32-wifi-manager\/\">ESP8266\/32 WiFi Manager.<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-esp01-relais-modul\/\">ESP01 \u2013 Relais Platine<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/neo-6m-gps-logger-shield-v1-0\/\">NEO-6M GPS Logger Shield V1.0<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/zumo-v1-2-2\/\">Zumo V1.2<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/esp8266-rtos-sdk\/\">ESP8266 RTOS SDK<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks-2\/\">Espressif IDF \u2013 GPIOs<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span><\/div><div class=\"listing-item\"><span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a class=\"title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/\">Espressif IDF \u2013 Tasks<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fazit\"><span class=\"ez-toc-section\" id=\"Fazit\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wer ein Board mit Wifi ben\u00f6tigt, mit einem ADC zufrieden ist und nur ein paar IO Ports schalten m\u00f6chte, ist mit dem NodeMCU V3 gut bedient. F\u00fcr das Breadboard eignet er sich nicht, ist aber g\u00fcnstiger als sein Kollege mit ESP32.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quellen\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/github.com\/nodemcu\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-wordpress wp-block-embed is-type-wp-embed is-provider-my-2-cents\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/frightanic.com\/iot\/comparison-of-esp8266-nodemcu-development-boards\/\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/forum.arduino.cc\/index.php?topic=399324.0\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/opendata-stuttgart\/meta\/wiki\/Pinouts-NodeMCU-v2,-v3\" target=\"_blank\" class=\"ub-content-link__anchor\">Daten zum NodeMCU V3<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/opendata-stuttgart\/meta\/wiki\/Pinouts-NodeMCU-v2,-v3\" class=\"ub-content-link__anchor\">Daten von Open Data<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/www.digchip.com\/datasheets\/parts\/datasheet\/015\/AMS1117-3_3-pdf.php\" class=\"ub-content-link__anchor\">Datenblatt AMS1117.3.3<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Ein Entwicklungsboard mit dem ESP8266-12E inklusive einer USB Schnittstelle zur Programmierung und seriellen Kommunikation. Hierbei gleicht das Board der Version 1.0\/2.0. Es kann \u00fcber den USB Port mit Spannung versorgt werden, \u00fcber 5 Volt am Vin Pin sowie mit 3-3.6V an den 3.3V Pins. Zus\u00e4tzlich besitzt es einen Ausgang f\u00fcr die USB Spannung (siehe Pinout). &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/espressif-idf-tasks\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"Espressif IDF &#8211; Tasks\"<\/span> <span class=\"meta-nav\">\u2192<\/span><\/a>","protected":false},"author":1,"featured_media":1131,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[187,190,200],"tags":[33,23,38,109],"class_list":["post-430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esp","category-esp8266","category-node-mcu","tag-esp","tag-esp8266","tag-node-mcu","tag-zusatzplatine","penguin-post","penguin-post-not-sticky"],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=430"}],"version-history":[{"count":34,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/430\/revisions"}],"predecessor-version":[{"id":20135,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/430\/revisions\/20135"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/1131"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}