{"id":773,"date":"2021-03-25T20:40:00","date_gmt":"2021-03-25T19:40:00","guid":{"rendered":"http:\/\/ucitel.kvcso.cz\/?p=773"},"modified":"2022-04-04T22:21:49","modified_gmt":"2022-04-04T20:21:49","slug":"microbit-hlida-vzdalenost","status":"publish","type":"post","link":"https:\/\/ucitel.kvcso.cz\/?p=773","title":{"rendered":"Micro:bit hl\u00edd\u00e1 vzd\u00e1lenost"},"content":{"rendered":"\n<p>Hl\u00edda\u010d vych\u00e1z\u00ed ze stavebnice&nbsp;<em>Grove Inventor Kit<\/em>. Reaguje na pohyb tak, \u017ee se p\u0159i p\u0159ibl\u00ed\u017een\u00ed objektu k senzoru vzd\u00e1lenosti rozblikaj\u00ed v\u00fdstra\u017en\u011b kontroln\u00ed ledky na micro:bitu a \u010d\u00edseln\u00fd displej z\u00e1rove\u0148 ukazuje vzd\u00e1lenost. Funguje v\u00fdborn\u011b, nejd\u0159\u00edve jsem jej nastavil na 10 cm a je docela p\u0159esn\u00fd. Pro v\u00fduku jde o v\u00fdborn\u00fd pokus, proto\u017ee je interaktivn\u00ed a k\u00f3d m\u00e1 hezkou strukturu. Mus\u00edte si do Makecode p\u0159idat roz\u0161\u00ed\u0159en\u00ed Grove, kter\u00e9 je v nab\u00eddce. Vznik\u00e1 tak bezvadn\u00fd n\u00e1m\u011bt pro vzd\u011bl\u00e1vac\u00ed projekt propojuj\u00edc\u00ed informatiku, matematiku, fyziku a technick\u00fd p\u0159\u00edstup.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co pot\u0159ebujete?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Micro:bit (s USB kabelem)<\/li><li>Shield for micro:bit V2 (rozhran\u00ed pro p\u0159ipojen\u00ed dal\u0161\u00edch prvk\u016f)<\/li><li>Ultrasonic Ranger (senzor vzd\u00e1lenosti)<\/li><li>Digit Display (ukazatel vzd\u00e1lenosti)<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"345\" src=\"https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd1.jpg\" alt=\"Micro:bit\" class=\"wp-image-771\" srcset=\"https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd1.jpg 510w, https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd1-300x203.jpg 300w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Blokov\u00e1 sestava<\/strong><\/h3>\n\n\n\n<p>Jestli\u017ee budete cht\u00edt cel\u00fd program skl\u00e1dat z programovac\u00edch blok\u016f, pracujete se dv\u011bma vizu\u00e1ln\u011b odd\u011blen\u00fdmi \u010d\u00e1stmi. Ta prvn\u00ed p\u0159ipojuje digit\u00e1ln\u00ed displej, kter\u00fd je zapnut\u00fd neust\u00e1le. Co\u017e znamen\u00e1, \u017ee po\u0159\u00e1d ukazuje n\u011bjakou vzd\u00e1lenost. Dokonce reaguje i na ze\u010f vzd\u00e1lenou okolo 6 metr\u016f. Druh\u00e1 \u010d\u00e1st je tvo\u0159ena slo\u017eit\u011bj\u0161\u00edm k\u00f3dem, u kter\u00e9ho se zdr\u017e\u00edm.<\/p>\n\n\n\n<p>Nejd\u0159\u00edve je t\u0159eba p\u0159ipojit senzor vzd\u00e1lenosti. Ten je jednoduch\u00fd, proto\u017ee je v Grove p\u0159ipraven. Dal\u0161\u00ed \u010d\u00e1st je ji\u017e d\u00e1na podm\u00ednkami, nebo\u0165 ledky na micro:bitu mus\u00ed reagovat p\u0159i p\u0159ekro\u010den\u00ed krizov\u00e9ho p\u0159ibl\u00ed\u017een\u00ed. Usm\u011bvav\u00fd smajl\u00edk se m\u011bn\u00ed na v\u00fdstra\u017en\u00e9 ozna\u010den\u00ed, kter\u00e9 nav\u00edc blik\u00e1. To je cel\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Javascript<\/strong><\/h3>\n\n\n\n<p>v Javascriptu jde o z\u00e1pis do 22 \u0159\u00e1dk\u016f, pokud pou\u017eijete p\u0159ednastavenou ikonu (smajl\u00edk). P\u0159i vlastn\u00ed konstrukci sv\u00edt\u00edc\u00edch ledek n\u011bkolik \u0159\u00e1dk\u016f p\u0159ibude, ale p\u0159es t\u0159icet se asi nedostanete. K\u00f3d je tud\u00ed\u017e velmi p\u0159ehledn\u00fd. Pokud skl\u00e1d\u00e1te bloky, doporu\u010duji v Makecode pr\u016fb\u011b\u017en\u011b p\u0159ep\u00ednat mezi nimi a k\u00f3dem, jde o hezkou didaktickou pom\u016fcku.<\/p>\n\n\n\n<p>Nebojte se nav\u00e1d\u011bt \u017e\u00e1ky k tomu, aby se odv\u00e1\u017eili zas\u00e1hnout do k\u00f3du, i kdy\u017e program rozbij\u00ed. Pravd\u011bpodobn\u011b se ztrat\u00ed v z\u00e1vork\u00e1ch a hled\u00e1n\u00ed chyb je v takov\u00e9m p\u0159\u00edpad\u011b skv\u011bl\u00e1 motivace. Didakticky vyu\u017eiteln\u00fdch n\u00e1pad\u016f je hodn\u011b a m\u016f\u017ee j\u00edt i o t\u00fdmovou sout\u011b\u017e.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"447\" src=\"https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd2.jpg\" alt=\"Micro:bit\" class=\"wp-image-772\" srcset=\"https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd2.jpg 510w, https:\/\/ucitel.kvcso.cz\/wp-content\/uploads\/2021\/04\/microbit_vzd2-300x263.jpg 300w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jak d\u00e1l?<\/strong><\/h3>\n\n\n\n<p>Podm\u00ednky lze stanovovat d\u00e1le nap\u0159\u00edklad pro vzd\u00e1lenostn\u00ed interval a zm\u011bnu ikony (zamra\u010den\u00fd smajl\u00edk?). Dostanete tak v\u011btven\u00ed&nbsp;<em>if &#8211; else if &#8211; else<\/em>, co\u017e u\u017e m\u016f\u017ee vy\u017eadovat p\u0159\u00edpravu algoritmu p\u0159edem jako hezkou bonusovou \u00falohu. Micro:bit s\u00e1m o sob\u011b je jen mikropo\u010d\u00edta\u010d, kter\u00fd se mus\u00ed naprogramovat. V tomto p\u0159\u00edpad\u011b skv\u011ble a jednodu\u0161e propojuje n\u011bkolik hardwarov\u00fdch prvk\u016f, kter\u00e9 tvo\u0159\u00ed ucelen\u00fd produkt.<\/p>\n\n\n\n<p><strong>Autor: Petr Chlebek<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hl\u00edda\u010d vych\u00e1z\u00ed ze stavebnice&nbsp;Grove Inventor Kit. Reaguje na pohyb tak, \u017ee se p\u0159i p\u0159ibl\u00ed\u017een\u00ed objektu k senzoru vzd\u00e1lenosti rozblikaj\u00ed v\u00fdstra\u017en\u011b kontroln\u00ed ledky na micro:bitu a \u010d\u00edseln\u00fd displej z\u00e1rove\u0148 ukazuje vzd\u00e1lenost. Funguje v\u00fdborn\u011b, nejd\u0159\u00edve jsem jej nastavil na 10 cm a je docela p\u0159esn\u00fd. Pro v\u00fduku jde o v\u00fdborn\u00fd pokus, proto\u017ee je interaktivn\u00ed a k\u00f3d m\u00e1&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,7,8],"tags":[108,44,15,36,107,33,34,104,28],"class_list":["post-773","post","type-post","status-publish","format-standard","hentry","category-sekce-ict","category-sekce-matematiky-a-informatiky","category-sekce-prirodovedna","tag-digitalni-kompetence-2","tag-fyzika","tag-ict","tag-informaticka-gramotnost","tag-informaticke-mysleni","tag-informatika","tag-matematika","tag-microbit","tag-projekt"],"_links":{"self":[{"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/posts\/773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=773"}],"version-history":[{"count":3,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/posts\/773\/revisions"}],"predecessor-version":[{"id":782,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=\/wp\/v2\/posts\/773\/revisions\/782"}],"wp:attachment":[{"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ucitel.kvcso.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}