{"id":464,"date":"2019-05-10T09:10:17","date_gmt":"2019-05-10T09:10:17","guid":{"rendered":"https:\/\/arduino-developer.com\/arduino\/?p=464"},"modified":"2019-05-26T09:07:29","modified_gmt":"2019-05-26T09:07:29","slug":"mkr-gsm-1400","status":"publish","type":"post","link":"https:\/\/arduino-developer.com\/arduino\/hardware\/arduinos\/mkr-gsm-1400","title":{"rendered":"MKR GSM 1400"},"content":{"rendered":"\n<p>Product page: <a href=\"https:\/\/store.arduino.cc\/mkr-gsm-1400\">https:\/\/store.arduino.cc\/mkr-gsm-1400<\/a><\/p>\n\n\n\n<p>Arduino guide page  <a href=\"https:\/\/www.arduino.cc\/en\/Guide\/MKRGSM1400\">https:\/\/www.arduino.cc\/en\/Guide\/MKRGSM1400<\/a><\/p>\n\n\n\n<p>Arduino GSM Library:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.arduino.cc\/en\/Reference\/MKRGSM\">https:\/\/www.arduino.cc\/en\/Reference\/MKRGSM<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/arduino-libraries\/MKRGSM\">https:\/\/github.com\/arduino-libraries\/MKRGSM<\/a><\/p>\n\n\n\n<p>Schematic: <a href=\"https:\/\/content.arduino.cc\/assets\/MKRGSM_V2.2_sch.pdf\">https:\/\/content.arduino.cc\/assets\/MKRGSM_V2.2_sch.pdf<\/a><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">GSM Specs<\/h5>\n\n\n\n<p>3G with 2G fallback<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Serial ports<\/h5>\n\n\n\n<p>USB connector &#8211; virtual serial port using the Serial object<\/p>\n\n\n\n<p>Serial1  &#8211;  Hardware serial port on pins 13\/14, instead<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Reset button<\/h5>\n\n\n\n<p>Reset button causes the microcontroller to reset and resets USB communication.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IO Pins<\/h4>\n\n\n\n<p>IO voltage: 3.3V<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Pull Ups<\/h5>\n\n\n\n<p>We&#8217;ve not checked the datasheet but on setting the following pins to pinMode(#, INPUT_PULLUP) they all changed from measuring around 0V to 3.3V, so pull ups working on all of them:<\/p>\n\n\n\n<p>IO0 &#8211; IO5, IO7-IO14 (note IO6 has LED connected so didn&#8217;t measure 3.3V)<\/p>\n\n\n\n<p>A0-A6<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">LED<\/h5>\n\n\n\n<p>LED is connected to IO6<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Product page: https:\/\/store.arduino.cc\/mkr-gsm-1400 Arduino guide page https:\/\/www.arduino.cc\/en\/Guide\/MKRGSM1400 Arduino GSM Library: https:\/\/www.arduino.cc\/en\/Reference\/MKRGSM https:\/\/github.com\/arduino-libraries\/MKRGSM Schematic: https:\/\/content.arduino.cc\/assets\/MKRGSM_V2.2_sch.pdf GSM Specs 3G with 2G fallback Serial ports USB connector &#8211; virtual serial port using the Serial object Serial1 &#8211; Hardware serial port on pins 13\/14, instead Reset button Reset button causes the microcontroller to reset and resets USB communication. IO [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-arduinos"],"_links":{"self":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/comments?post=464"}],"version-history":[{"count":8,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":491,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/464\/revisions\/491"}],"wp:attachment":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/media?parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/categories?post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/tags?post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}