{"id":68087,"date":"2023-08-12T06:00:24","date_gmt":"2023-08-12T04:00:24","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/porownanie-mikrokontrolerow-stm32-i-esp32\/"},"modified":"2026-04-08T11:08:35","modified_gmt":"2026-04-08T09:08:35","slug":"porovnani-mikrokontroleru-stm32-a-esp32","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/porovnani-mikrokontroleru-stm32-a-esp32\/","title":{"rendered":"Porovn\u00e1n\u00ed mikrokontrol\u00e9r\u016f STM32 a ESP32"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"68087\" class=\"elementor elementor-68087 elementor-67174\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13dce31 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13dce31\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-63f8a73\" data-id=\"63f8a73\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f461e1a elementor-widget elementor-widget-text-editor\" data-id=\"f461e1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>ESP32 a STM32<\/strong> jsou dva typy mikrokontrol\u00e9r\u016f, kter\u00e9 maj\u00ed na trhu \u0161irok\u00e9 uplatn\u011bn\u00ed. Ve sv\u011bt\u011b online informac\u00ed bylo u\u010din\u011bno mnoho pokus\u016f o zodpov\u011bzen\u00ed tematick\u00e9 ot\u00e1zky pomoc\u00ed r\u016fzn\u00fdch v\u00fdkonnostn\u00edch test\u016f, technick\u00fdch parametr\u016f apod. Tyto moduly se vyzna\u010duj\u00ed vysok\u00fdm v\u00fdkonem a spl\u0148uj\u00ed po\u017eadavky modern\u00edch za\u0159\u00edzen\u00ed. S t\u011bmito dv\u011bma syst\u00e9my, kter\u00e9 m\u00e1 k dispozici, si ka\u017ed\u00fd projektant nebo stavitel mus\u00ed vybrat tu nejlep\u0161\u00ed mo\u017enost pro sv\u016fj projekt, a\u0165 u\u017e se jedn\u00e1 o komer\u010dn\u00ed nebo hobby projekt. V n\u00e1sleduj\u00edc\u00edm popisu bude provedeno srovn\u00e1n\u00ed mikrokontrol\u00e9r\u016f <a href=\"https:\/\/botland.cz\/1322-moduly-wifi-a-bt-esp32\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>ESP32<\/strong><\/a> a <a href=\"https:\/\/botland.cz\/388-mikrokontrolery-stm32\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>STM32<\/strong><\/a>spolu s odpov\u011bd\u00ed na ot\u00e1zku polo\u017eenou v nadpisu. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f62e8cc elementor-widget elementor-widget-heading\" data-id=\"f62e8cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Charakteristika mikrokontrol\u00e9ru STM32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-c4b884a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4b884a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fe02c2c\" data-id=\"fe02c2c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e30b6ea elementor-widget elementor-widget-text-editor\" data-id=\"e30b6ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/botland.cz\/388-mikrokontrolery-stm32\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>STM32<\/strong><\/a> je <strong>mikrokontrol\u00e9r<\/strong>, kter\u00fd je na trhu dob\u0159e zaveden. Vyrobeno spole\u010dnost\u00ed <a href=\"https:\/\/botland.cz\/vyrobce\/132-stmicroelectronics\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>ST Microelectronics<\/strong><\/a>. Tento \u010dip je ur\u010den pro n\u00e1ro\u010dn\u011bj\u0161\u00ed aplikace, ale s n\u00edzkou spot\u0159ebou energie. Modul je ide\u00e1ln\u00ed pro konstrukt\u00e9ry a v\u00fdrobce spot\u0159ebi\u010d\u016f, kte\u0159\u00ed cht\u011bj\u00ed, aby za\u0159\u00edzen\u00ed spot\u0159ebov\u00e1valo m\u00e9n\u011b energie, ale m\u011blo vysok\u00fd v\u00fdkon. <\/p>\n<p> <strong>Mikrokontrol\u00e9ry STM32<\/strong> jsou funk\u010dn\u00ed a navr\u017een\u00e9 tak, aby podporovaly celou \u0159adu perifern\u00edch za\u0159\u00edzen\u00ed. \u0158e\u0161en\u00ed je zalo\u017eeno na architektu\u0159e <strong>ARM Cortex<\/strong> a podporuje r\u016fzn\u00e9 periferie, jako jsou \u010dasova\u010de, komunika\u010dn\u00ed rozhran\u00ed, GPIO a p\u0159evodn\u00edky sign\u00e1l\u016f.<\/p>\n<p>D\u00edky v\u0161em t\u011bmto periferi\u00edm je <strong>STM32<\/strong> vhodn\u00fd mimo jin\u00e9 pro vestavn\u00e9 aplikace, jako jsou l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje, dom\u00e1c\u00ed spot\u0159ebi\u010de a automobilov\u00e1 elektronika. Je ide\u00e1ln\u00ed volbou pro aplikace citliv\u00e9 na spot\u0159ebu energie.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ff30dbb\" data-id=\"ff30dbb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a93aa10 elementor-widget elementor-widget-image\" data-id=\"a93aa10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/08\/09999_1a.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"09999_1a\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjcxNzcsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wOFwvMDk5OTlfMWEuanBnIn0%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/09999_1a-1024x1024.jpg\" class=\"attachment-large size-large wp-image-67177\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/09999_1a-1024x1024.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/09999_1a-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/09999_1a-768x767.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/09999_1a.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">STM32L0 - Discovery - LoRa B-L072Z-LRWAN1.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57e3dca elementor-align-center elementor-widget elementor-widget-button\" data-id=\"57e3dca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/stm32-discovery\/9999-stm32l0-discovery-lora-b-l072z-lrwan1-5904422314828.html\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-09e9409 elementor-widget elementor-widget-text-editor\" data-id=\"09e9409\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u0160irok\u00e1 \u0161k\u00e1la \u0159e\u0161en\u00ed umo\u017e\u0148uje velk\u00fd v\u00fdb\u011br podle pot\u0159eb design\u00e9ra pro v\u00fdrobky s:<\/p>\n<ul>\n<li><strong>velmi n\u00edzkou spot\u0159ebou energie<\/strong> (STM32L0, STM32L1, STM32L4, STM32L4+),<\/li>\n<li><strong>vysok\u00fdm v\u00fdkonem<\/strong> (STM32F2, STM32F4, STM32F7, STM32H7).<\/li>\n<\/ul>\n<div> <\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a55985 elementor-widget elementor-widget-heading\" data-id=\"3a55985\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Funkce a specifikace STM32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8153f5d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8153f5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Procesory<\/h3>\n<p>Parametry procesoru z\u00e1vis\u00ed na verzi mikrokontrol\u00e9ru, tj. na verzi <strong>modulu STM32<\/strong>.<\/p>\n<h3>Pam\u011b\u0165<\/h3>\n<p>Mikrokontrol\u00e9r m\u00e1 univerz\u00e1ln\u00ed statickou pam\u011b\u0165 (s kapacitou <strong>a\u017e 192 KB<\/strong><span style=\"font-weight: normal;\">)<\/span> a pam\u011b\u0165 spojenou s j\u00e1drem (s kapacitou <strong>64 KB<\/strong>). Za zm\u00ednku stoj\u00ed kapacity dal\u0161\u00edch t\u0159\u00ed typ\u016f pam\u011bti v STM32: pam\u011b\u0165 na baterie<strong>(a\u017e 80 bajt\u016f<\/strong>), pam\u011b\u0165 Flash (obsahuje <strong>512\/1024\/2048 KB<\/strong>) a pam\u011b\u0165 zav\u00e1d\u011bc\u00edho syst\u00e9mu<strong>(a\u017e 512 KB datov\u00e9 pam\u011bti<\/strong>).<\/p>\n<h3>Perifern\u00ed za\u0159\u00edzen\u00ed<\/h3>\n<p>Rodina mikrokontrol\u00e9r\u016f STM32 je vybavena v\u0161emi periferiemi, kter\u00e9 se nach\u00e1zej\u00ed na v\u011bt\u0161in\u011b \u010dip\u016f. Mezi n\u011b pat\u0159\u00ed mimo jin\u00e9 USB 2.0 OTG, FS, CAN 2.0B, t\u0159i I2C, USART, SDIO podporuj\u00edc\u00ed SD\/MMC karty, bitov\u00e9 \u010dasova\u010de, \u010dasova\u010de watchdog, teplotn\u00ed \u010didla, DMA, cyklick\u00e1 redundan\u010dn\u00ed kontrola.<\/p>\n<h3>Rozhran\u00ed<\/h3>\n<p>Rozhran\u00ed pro SMT32 zahrnuj\u00ed rozhran\u00ed Ethernet a kameru, \u0159adi\u010d LCD-TFT, kryptografick\u00fd procesor a sm\u011b\u0161ovac\u00ed procesory.<\/p>\n<h3>V\u00fdkon<\/h3>\n<p>Mikrokontrol\u00e9r m\u00e1 vnit\u0159n\u00ed oscil\u00e1tory na frekvenci <strong>16 MHz a 32 kHz<\/strong>. Jeho provozn\u00ed nap\u011bt\u00ed se pohybuje od <strong>1,8 do 3,6 V<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16600df elementor-widget elementor-widget-spacer\" data-id=\"16600df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b266f6 elementor-widget elementor-widget-heading\" data-id=\"3b266f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Shrnut\u00ed: STM32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2172f28 elementor-widget elementor-widget-text-editor\" data-id=\"2172f28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>STM32<\/strong> je zalo\u017een na procesoru <strong>ARM Cortex-M3<\/strong>, co\u017e znamen\u00e1, \u017ee m\u00e1 vysok\u00fd v\u00fdkon. Tento procesor je tak\u00e9 zn\u00e1m\u00fd svou n\u00edzkou spot\u0159ebou energie a cenovou dostupnost\u00ed. Podporuje v\u00edce sad perifern\u00edch za\u0159\u00edzen\u00ed. Mikrokontrol\u00e9r STM32 je flexibiln\u00ed \u0159e\u0161en\u00ed, kter\u00e9 podporuje \u0161irokou \u0161k\u00e1lu v\u00fdvojov\u00fdch n\u00e1stroj\u016f pot\u0159ebn\u00fdch pro produkty IoT. Nev\u00fdhodou tohoto mikrokontrol\u00e9ru mohou b\u00fdt omezen\u00e9 funkce ochrany k\u00f3du.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ecdcfc7 elementor-widget elementor-widget-spacer\" data-id=\"ecdcfc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5ad843 elementor-widget elementor-widget-heading\" data-id=\"d5ad843\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><h2 data-elementor-setting-key=\"title\" data-pen-placeholder=\"Pisz tutaj...\" style=\"font-family: var( --e-global-typography-primary-font-family ), Sans-serif;font-weight: var( --e-global-typography-primary-font-weight )\">Charakteristika mikrokontrol\u00e9ru ESP32<\/h2><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-cf5dff9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cf5dff9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ecccc39\" data-id=\"ecccc39\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7398e15 elementor-widget elementor-widget-text-editor\" data-id=\"7398e15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/botland.cz\/1322-moduly-wifi-a-bt-esp32\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>ESP32<\/strong><\/a> je \u0159azen mezi cenov\u011b nejdostupn\u011bj\u0161\u00ed a energeticky nej\u00fasporn\u011bj\u0161\u00ed mikrokontrol\u00e9ry na trhu. Vytvo\u0159ila a vyvinula ji spole\u010dnost <strong>Expressif Systems<\/strong>. Na trhu mikrokontrol\u00e9r\u016f je \u010dasto ozna\u010dov\u00e1n jako n\u00e1hrada za ESP8266, ale s mnohem lep\u0161\u00edm v\u00fdkonem ne\u017e jeho p\u0159edch\u016fdce.<\/p>\n<p><strong>ESP32<\/strong> m\u00e1 integrovan\u00e9 funkce p\u0159ipojen\u00ed Bluetooth a Wi-Fi. Je zalo\u017een na procesoru <strong>Tensilica Xtensa LX6<\/strong>, kter\u00fd m\u016f\u017ee pracovat jako jednoj\u00e1drov\u00e9 nebo dvouj\u00e1drov\u00e9 \u0159e\u0161en\u00ed, ale najdete i takov\u00e9, kter\u00e9 jsou zalo\u017eeny na dvouj\u00e1drov\u00e9m procesoru <strong>Xtensa LX7<\/strong>.<\/p>\n<p><strong>ESP32<\/strong> je vybaven funkcemi, jako je v\u00fdkonov\u00fd zesilova\u010d, filtry, moduly pro spr\u00e1vu nap\u00e1jen\u00ed a dal\u0161\u00ed. M\u00e1 zabudovan\u00e9 mno\u017estv\u00ed periferi\u00ed, nap\u0159\u00edklad <strong>ADC, GPIO, DAC a I2S<\/strong>. Je vybaven vysoce v\u00fdkonn\u00fdm mikrokontrol\u00e9rem, kter\u00fd lze \u0161iroce vyu\u017e\u00edt v projektech IoT.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1afd9cf\" data-id=\"1afd9cf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aeb1d03 elementor-widget elementor-widget-image\" data-id=\"aeb1d03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"08893_10_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NjcxODEsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIzXC8wOFwvMDg4OTNfMTBfa3dhZHJhdC5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-67181\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat-768x768.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/08\/08893_10_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Platforma ESP32 WiFi + BT 4.2- s modulem ESP-WROOM-32 kompatibiln\u00edm s ESP32-DevKit.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10bff68 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"10bff68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/moduly-wifi-a-bt-esp32\/8893-platforma-esp32-wifi-bt-42-s-modulem-esp-wroom-32-kompatibilni-s-esp32-devkit-5904422337438.html\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fee5d4 elementor-widget elementor-widget-spacer\" data-id=\"9fee5d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e5868a elementor-widget elementor-widget-heading\" data-id=\"5e5868a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Funkce a specifikace ESP32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6862036 elementor-widget elementor-widget-text-editor\" data-id=\"6862036\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Procesory<\/h3>\n<p><strong>ESP32<\/strong> je vybaven procesorem <strong>Xtensa<\/strong>, kter\u00fd m\u016f\u017ee b\u00fdt dvouj\u00e1drov\u00fd nebo jednoj\u00e1drov\u00fd. Jeho pracovn\u00ed frekvence se pohybuje mezi <strong>160 a 240 MHz<\/strong>. <span style=\"font-size: 1rem;\">Mikrokontrol\u00e9r vyu\u017e\u00edv\u00e1 procesor s velmi n\u00edzkou spot\u0159ebou energie (ULP).<\/span><\/p>\n<h3>Pam\u011b\u0165<\/h3>\n<p>Kapacita pam\u011bti tohoto procesoru je <strong>320 kb RAM a 448 kb ROM.<\/strong><\/p>\n<div>\n<h3>P\u0159ipojen\u00ed<\/h3>\n<\/div>\n<p><strong>Bluetooth: v4.2 BR\/EDR<\/strong><\/p>\n<p><strong>Wi-Fi 802.11 b\/g\/n<\/strong><\/p>\n<h3>Perifern\u00ed rozhran\u00ed<\/h3>\n<p><strong>Mikrokontrol\u00e9r podporuje r\u016fzn\u00e9 periferie, v\u010detn\u011b:<\/strong><\/p>\n<ul>\n<li>12bitov\u00fd ADC SAR, kter\u00fd je navr\u017een tak, aby zvl\u00e1dl a\u017e 18 kan\u00e1l\u016f,<\/li>\n<li>2 \u00d7 8bitov\u00e9 p\u0159evodn\u00edky D\/A,<\/li>\n<li>2 \u00d7 rozhran\u00ed IC,<\/li>\n<li>2\u00d7 rozhran\u00ed IS,<\/li>\n<li>Sb\u011brnice CAN 2.0,<\/li>\n<li>Rozhran\u00ed Ethernet MAC s podporou \u010dasov\u00e9ho protokolu,<\/li>\n<li>infra\u010derven\u00e9 d\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed,<\/li>\n<li>PWM a LED PWM podporuj\u00edc\u00ed a\u017e 16 kan\u00e1l\u016f,<\/li>\n<li>funkce rozhran\u00ed Hallova senzoru,<\/li>\n<li>GPIO.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ad1d7e elementor-widget elementor-widget-heading\" data-id=\"5ad1d7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Shrnut\u00ed: ESP32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05e5bbf elementor-widget elementor-widget-text-editor\" data-id=\"05e5bbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mikrokontrol\u00e9r <strong>ESP32<\/strong> m\u00e1 n\u00edzkou spot\u0159ebu energie, co\u017e je jeho nejv\u00fdznamn\u011bj\u0161\u00ed vlastnost. P\u0159esto je schopen pod\u00e1vat vysok\u00fd v\u00fdkon. Poskytuje funkce p\u0159ipojen\u00ed <strong>WiFi<\/strong> i <strong>Bluetooth<\/strong>. Vyzna\u010duje se vysok\u00fdm stupn\u011bm integrace, proto\u017ee <strong>ESP32<\/strong> je navr\u017een tak, aby podporoval \u0161irokou \u0161k\u00e1lu periferi\u00ed a r\u016fzn\u00fdch rozhran\u00ed. Snadn\u00e9 programov\u00e1n\u00ed: mikrokontrol\u00e9r podporuje programovac\u00ed jazyky, jako jsou <strong>C a Java<\/strong>.<\/p>\n<p><strong>Moduly ESP32<\/strong> jsou ve srovn\u00e1n\u00ed s mnoha jin\u00fdmi \u0159e\u0161en\u00edmi dostupn\u00fdmi na trhu relativn\u011b levn\u00e9. Mo\u017enost \u0161k\u00e1lovat \u0159e\u0161en\u00ed podle velikosti extern\u00ed pam\u011bti flash obsa\u017een\u00e9 v modulu ESP32 pom\u00e1h\u00e1 ur\u010dit velikost datov\u00e9 pam\u011bti pro danou aplikaci. Existuj\u00ed dokonce moduly, jako je <strong>ESP32-WROVER<\/strong>, kter\u00e9 mohou roz\u0161\u00ed\u0159it <strong>pam\u011b\u0165 RAM<\/strong> pomoc\u00ed <strong>pam\u011bti pSRAM<\/strong> p\u0159ipojen\u00e9 ke sb\u011brnici SPI intern\u00edho mikrokontrol\u00e9ru. Pam\u011b\u0165 pSRAM m\u016f\u017ee roz\u0161\u00ed\u0159it pam\u011b\u0165 RAM a\u017e o 4 MB, tak\u017ee modul m\u00e1 dostatek pam\u011bti pro t\u00e9m\u011b\u0159 jakoukoli aplikaci. M\u016f\u017eete na n\u011bj nainstalovat program <strong>MicroPython<\/strong> a vytv\u00e1\u0159et aplikace v jazyce <strong>Python<\/strong>. Pro komer\u010dn\u00ed syst\u00e9my to nen\u00ed nutn\u011b preferovan\u00e9 \u0159e\u0161en\u00ed, ale otev\u00edr\u00e1 to mo\u017enost rychl\u00e9ho vytvo\u0159en\u00ed prototypu syst\u00e9mu.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c96dfd9 elementor-widget elementor-widget-heading\" data-id=\"c96dfd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Shrnut\u00ed: STM32 a ESP32<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acfb87a elementor-widget elementor-widget-text-editor\" data-id=\"acfb87a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pro praktiky jsou \u010dipy <strong>STM32<\/strong> obecn\u011b nejpou\u017e\u00edvan\u011bj\u0161\u00ed \u0159adou, zat\u00edmco <strong>ESP32<\/strong> se pou\u017e\u00edvaj\u00ed o n\u011bco m\u00e9n\u011b \u010dasto. Oba mikrokontrol\u00e9ry jsou podle sv\u00e9ho n\u00e1zvu <strong>32bitov\u00e1<\/strong> \u0159e\u0161en\u00ed.<\/p>\n<p>Po porovn\u00e1n\u00ed <strong>ESP32 a STM32<\/strong> zjist\u00edte, \u017ee se oba syst\u00e9my li\u0161\u00ed jen minim\u00e1ln\u011b. V\u00fdb\u011br mezi t\u011bmito dv\u011bma mikrokontrol\u00e9ry je velmi obt\u00ed\u017en\u00fd. <strong>ESP32<\/strong> b\u00fdv\u00e1 <strong>mal\u00fd, velmi rychl\u00fd a v\u00fdkonn\u00fd<\/strong>. Je p\u0159ipojen k s\u00edti p\u0159es Wi-Fi a je navr\u017een speci\u00e1ln\u011b pro IoT, zat\u00edmco <strong>STM32<\/strong> m\u00e1 v\u00edce perifern\u00edch p\u0159ipojen\u00ed a komplexn\u00ed funkce. P\u0159esto\u017ee nem\u00e1 Wi-Fi a Bluetooth a rychlost nen\u00ed tak vysok\u00e1 jako u ESP32, lze jej prost\u0159ednictv\u00edm s\u00ed\u0165ov\u00e9ho portu p\u0159ipojit k s\u00edti a ovl\u00e1dat v\u00edce periferi\u00ed. <strong>ESP32<\/strong> m\u00e1 mnohem ni\u017e\u0161\u00ed spot\u0159ebu energie ne\u017e <strong>STM32<\/strong>. Pokud je probl\u00e9mem nap\u00e1jen\u00ed, m\u00e1me odpov\u011b\u010f na ot\u00e1zku, jak\u00e9 \u0159e\u0161en\u00ed pou\u017e\u00edt. Na druhou stranu m\u00e1 <strong>STM32<\/strong> v\u00edce &#8220;periferi\u00ed&#8221; ne\u017e <strong>ESP32<\/strong>. Je vhodn\u011bj\u0161\u00ed pro pokro\u010dil\u00e9 aplikace. Z hlediska ceny je <strong>ESP32<\/strong> levn\u011bj\u0161\u00ed ne\u017e <strong>STM32<\/strong>. <\/p>\n<p><strong>Na ot\u00e1zku, co je lep\u0161\u00ed, nelze odpov\u011bd\u011bt.<\/strong> Odpov\u011b\u010f na tuto ot\u00e1zku mus\u00ed b\u00fdt u\u010din\u011bna pro konkr\u00e9tn\u00ed aplikaci s ohledem na specifick\u00e9 po\u017eadavky a omezen\u00ed navrhovan\u00e9 aplikace.<\/p>\n<p> <strong> Stru\u010dn\u011b \u0159e\u010deno:<\/strong> ESP32 je zn\u00e1m\u00fd pro sv\u00e9 integrovan\u00e9 p\u0159ipojen\u00ed WiFi a Bluetooth, n\u00edzkou spot\u0159ebu energie a snadn\u00e9 pou\u017eit\u00ed pro experimentov\u00e1n\u00ed a prototypov\u00e1n\u00ed. Slo\u017eit\u011bj\u0161\u00ed a n\u00e1ro\u010dn\u011bj\u0161\u00ed aplikace mohou t\u011b\u017eit z v\u00fdkonu, v\u0161estrannosti a \u0161irok\u00e9ho v\u00fdb\u011bru periferi\u00ed a rozhran\u00ed STM32. <strong>V\u00fdb\u011br je na design\u00e9rovi.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ESP32 a STM32 jsou dva typy mikrokontrol\u00e9r\u016f, kter\u00e9 maj\u00ed na trhu \u0161irok\u00e9 uplatn\u011bn\u00ed. Tyto moduly se vyzna\u010duj\u00ed vysok\u00fdm v\u00fdkonem a spl\u0148uj\u00ed po\u017eadavky modern\u00edch za\u0159\u00edzen\u00ed. S t\u011bmito dv\u011bma syst\u00e9my, kter\u00e9 m\u00e1 k dispozici, si ka\u017ed\u00fd projektant nebo stavitel mus\u00ed vybrat tu nejlep\u0161\u00ed mo\u017enost pro sv\u016fj projekt, a\u0165 u\u017e se jedn\u00e1 o komer\u010dn\u00ed nebo hobby projekt.<\/p>\n","protected":false},"author":35,"featured_media":67185,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549,557],"tags":[],"class_list":["post-68087","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-kompendium-cs","category-zajimavosti"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Porovn\u00e1n\u00ed mikrokontrol\u00e9r\u016f STM32 a ESP32 - Botland<\/title>\n<meta name=\"description\" content=\"ESP32 a STM32 jsou dva typy mikrokontrol\u00e9r\u016f, kter\u00e9 maj\u00ed na trhu \u0161irok\u00e9 uplatn\u011bn\u00ed. Tyto moduly se vyzna\u010duj\u00ed vysok\u00fdm v\u00fdkonem a spl\u0148uj\u00ed po\u017eadavky modern\u00edch za\u0159\u00edzen\u00ed. 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