{"id":668,"date":"2015-07-16T07:04:21","date_gmt":"2015-07-16T05:04:21","guid":{"rendered":"http:\/\/www.xpablo.cz\/?p=668"},"modified":"2015-07-16T07:04:21","modified_gmt":"2015-07-16T05:04:21","slug":"emw3165-narodil-se-zabijak-esp8266","status":"publish","type":"post","link":"http:\/\/www.xpablo.cz\/?p=668","title":{"rendered":"EMW3165 &#8211; narodil se zabij\u00e1k ESP8266?"},"content":{"rendered":"<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emw3165.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" size-medium wp-image-669 alignleft\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emw3165-300x225.jpg\" alt=\"emw3165\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emw3165-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emw3165.jpg 530w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>V posledn\u00edch p\u00e1r dnech se na internetu objevily informace o nov\u00e9m hr\u00e1\u010di na poli levn\u00fdch WiFi modul\u016f pro oblast IoT. Jedn\u00e1 se o \u0159e\u0161en\u00ed \u010d\u00ednsk\u00e9ho v\u00fdrobce MXCHIP, kter\u00e9 obsahuje mikrokontrol\u00e9r STM32F4 (Cortex M4 j\u00e1dro), dopln\u011bn\u00fd o 2MB SPI Flash a SDIO WiFi modul. Podle zat\u00edm dostupn\u00e9ho <a href=\"https:\/\/hackadaycom.files.wordpress.com\/2015\/07\/emw3165.pdf\">datasheetu<\/a> a\u00a0 <a href=\"http:\/\/www.joinmx.com\/uploadfiles\/soft\/EMW\/RM0001E_mxchipWNet_DTU_V4_1.pdf\">referen\u010dn\u00edho manu\u00e1lu<\/a> (oboj\u00ed je p\u0159ilo\u017eeno na konci \u010dl\u00e1nku, nebo\u0165 server s referen\u010dn\u00edm manu\u00e1lem m\u00e1 v\u00fdpadky) jde o velmi zaj\u00edmavou konstrukci, kter\u00e1 vynik\u00e1 nad moduly s ESP mimo jin\u00e9 i t\u00edm, \u017ee n\u011bkter\u00e9 piny jsou tolerantn\u00ed k TTL 5V logice. <!--more-->Rovn\u011b\u017e je vyvedeno SWD rozhran\u00ed, tak\u017ee by m\u011blo b\u00fdt mo\u017en\u00e9 lad\u011bn\u00ed aplikac\u00ed pomoc\u00ed JTAG debugger\u016f. Na\u0161el jsem zat\u00edm jedin\u00e9ho <a href=\"http:\/\/www.seeedstudio.com\/depot\/EMW3165-p-2488.html?cPath=19_20\">prodejce<\/a> a i na str\u00e1nk\u00e1ch v\u00fdrobce modul je\u0161t\u011b nen\u00ed uveden\u00fd, ale cena $7.95 u seeedstudia mi p\u0159ijde rozumn\u00e1. Na Ebay jsem zat\u00edm na\u0161el pouze dostupn\u00fd <a href=\"http:\/\/www.ebay.com\/itm\/EMWE-3165-A-Development-Board-Angleelec-Sd-\/221824111234?pt=LH_DefaultDomain_0&amp;hash=item33a5bf5282\">v\u00fdvojov\u00fd kit<\/a>, kter\u00fd ale vlastn\u00ed modul neobsahuje.<\/p>\n<p><a href=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emwdk.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-670\" src=\"https:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emwdk-300x225.jpg\" alt=\"emwdk\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emwdk-300x225.jpg 300w, http:\/\/www.xpablo.cz\/wp-content\/uploads\/2015\/07\/emwdk.jpg 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>P\u0159edpokl\u00e1d\u00e1m ale, \u017ee se situace rychle zm\u011bn\u00ed a moduly se objev\u00ed i na Ebay za lep\u0161\u00ed ceny. Mysl\u00edm si, \u017ee vzhledem k pou\u017eit\u00ed b\u011b\u017en\u011b zn\u00e1m\u00e9ho CPU se spoustou dostupn\u00fdch v\u00fdvojov\u00fdch prost\u0159ed\u00ed (v\u010detn\u011b m\u00e9ho obl\u00edben\u00e9ho <a href=\"http:\/\/www.emblocks.org\/web\/\">EmBlocks<\/a>) p\u0159inejmen\u0161\u00edm stoj\u00ed za to, n\u011bco si o modulu p\u0159e\u010d\u00edst a sledovat, jak si povede&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V posledn\u00edch p\u00e1r dnech se na internetu objevily informace o nov\u00e9m hr\u00e1\u010di na poli levn\u00fdch WiFi modul\u016f pro oblast IoT. Jedn\u00e1 se o \u0159e\u0161en\u00ed \u010d\u00ednsk\u00e9ho v\u00fdrobce MXCHIP, kter\u00e9 obsahuje mikrokontrol\u00e9r STM32F4 (Cortex M4 j\u00e1dro), dopln\u011bn\u00fd o 2MB SPI Flash a SDIO WiFi modul. Podle zat\u00edm dostupn\u00e9ho datasheetu a\u00a0 referen\u010dn\u00edho manu\u00e1lu (oboj\u00ed je p\u0159ilo\u017eeno na konci &hellip; <a href=\"http:\/\/www.xpablo.cz\/?p=668\" class=\"more-link\">Pokra\u010dov\u00e1n\u00ed textu <span class=\"screen-reader-text\">EMW3165 &#8211; narodil se zabij\u00e1k ESP8266?<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/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,"footnotes":""},"categories":[25,21],"tags":[20],"class_list":["post-668","post","type-post","status-publish","format-standard","hentry","category-esp8266","category-internet-of-things","tag-iot"],"_links":{"self":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=668"}],"version-history":[{"count":3,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions"}],"predecessor-version":[{"id":675,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/668\/revisions\/675"}],"wp:attachment":[{"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=668"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}