{"id":22,"date":"2022-01-19T13:58:08","date_gmt":"2022-01-19T12:58:08","guid":{"rendered":"https:\/\/ics.science.upjs.sk\/iot\/?page_id=22"},"modified":"2023-02-15T13:42:38","modified_gmt":"2023-02-15T12:42:38","slug":"hardver","status":"publish","type":"page","link":"https:\/\/ics.science.upjs.sk\/iot\/hardver\/","title":{"rendered":"Hardv\u00e9r"},"content":{"rendered":"\r\n

Po\u010das di\u0161tan\u010dnej v\u00fdu\u010dby v roku 2021 dostal ka\u017ed\u00fd \u0161tudent hardv\u00e9rov\u00fd bal\u00ed\u010dek na pr\u00e1cu z domu. Nasledovn\u00e9 roky u\u017e prebieha prezen\u010dn\u00e1 v\u00fdu\u010dba a hardv\u00e9r je k dispoz\u00edcii v \u0161kole. V pr\u00edpade, \u017ee si chcete hardv\u00e9r k\u00fapi\u0165, tu n\u00e1jdete zoznam vec\u00ed, ktor\u00e9 potrebujete na plnohodnotn\u00fa \u00fa\u010das\u0165 na tomto predmete. Pr\u00edpadne sa od toho viete odrazi\u0165 a vysklada\u0165 si vlastn\u00fd n\u00e1kupn\u00fd zoznam.<\/p>\r\n\r\n\r\n\r\n

Nie je probl\u00e9m si tieto veci objedna\u0165 z \u010c\u00edny – je to najlacnej\u0161ia mo\u017enos\u0165, len treba r\u00e1ta\u0165 s dlh\u0161ou dobou dodania. Tento tovar je mo\u017en\u00e9 objedna\u0165 aj z lok\u00e1lnych e-shopov. Uv\u00e1dzam odkazy na techfun.sk, ale m\u00f4\u017eete h\u013eada\u0165 aj in\u00e9 alternat\u00edvy. Na viacer\u00fdch miestach viete n\u00e1js\u0165 aj cel\u00e9 bal\u00ed\u010dky s r\u00f4znymi komponentmi.<\/p>\r\n\r\n\r\n\r\n

Pri samostatnej pr\u00e1ci odpor\u00fa\u010dam d\u00e1va\u0165 pozor – pri nespr\u00e1vnom zapojen\u00ed m\u00f4\u017ee nasta\u0165 skrat a v lep\u0161om pr\u00edpade sa odp\u00e1lia s\u00fa\u010diastky (to sa n\u00e1m u\u017e na predmete stalo), v hor\u0161om to m\u00f4\u017ee zasiahn\u00fa\u0165 perif\u00e9riu PC. Je vhodn\u00e9 pou\u017ei\u0165 USB s prep\u00e4\u0165ovou ochranou (s vyp\u00edna\u010dom) a hlavne nerobi\u0165 neuv\u00e1\u017een\u00e9 veci.<\/p>\r\n\r\n\r\n\r\n

Preh\u013ead komponentov a cien<\/h2>\r\n\r\n\r\n\r\n
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Polo\u017eka<\/th>\r\nCena<\/th>\r\nPozn\u00e1mka<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Arduino Nano<\/a><\/td>\r\n8.20\u20ac<\/td>\r\norigin\u00e1l stoj\u00ed zhruba 20\u20ac, posta\u010duje v\u0161ak aj klon (je to open hardware a teda klony s\u00fa spo\u013eahlivou k\u00f3piou aj ke\u010f za cenu zn\u00ed\u017eenej kvality, \u010do m\u00f4\u017ee ovplyvni\u0165 \u017eivotnos\u0165). Pre v\u00e4\u010d\u0161ie projekty m\u00f4\u017ee by\u0165 vhodnej\u0161ie in\u00e9 Arduino (napr. Uno), ktor\u00e9 umo\u017en\u00ed aj pripojenie na internet a pod. Z \u010c\u00edny sa d\u00e1 Nano k\u00fapi\u0165 v\u00fdrazne lacnej\u0161ie. Vyberte si verziu s nap\u00e1jkovan\u00fdmi pinmi.<\/td>\r\n<\/tr>\r\n
Breadboard<\/a><\/td>\r\n2.90\u20ac<\/td>\r\nSl\u00fa\u017ei na prip\u00e1janie ostatn\u00fdch komponentov k Arduinu bez toho, aby ste museli p\u00e1jkova\u0165 a aby sa to dalo znovu pou\u017ei\u0165. M\u00f4\u017eete pozrie\u0165 aj in\u00e9 modely (ob\u010das nie s\u00fa niektor\u00e9 k dispoz\u00edcii). Odpor\u00fa\u010dam tie v\u00e4\u010d\u0161ie polia (700-900 bodov).<\/td>\r\n<\/tr>\r\n
Dupont k\u00e1ble<\/a><\/td>\r\n2.40\u20ac<\/td>\r\nSl\u00fa\u017eia na prep\u00e1janie komponentov. Pri pou\u017eit\u00ed breadbordu v\u00e1m sta\u010dia M-M (aj ke\u010f I2C expander z tohto zoznamu asi potrebuje F-M, aby ste to vedeli nejako elegantne pou\u017ei\u0165). S krat\u0161\u00edmi k\u00e1blami sa \u0165a\u017e\u0161ie pracuje ak je na doske zapojen\u00fdch viac vec\u00ed, odpor\u00fa\u010dam aspo\u0148 20cm.<\/td>\r\n<\/tr>\r\n
Senzor nap\u00e4tia<\/a><\/td>\r\n1.80\u20ac<\/td>\r\nNepovinn\u00e9 – sl\u00fa\u017ei na demon\u0161tr\u00e1ciu z\u00e1kladn\u00fdch princ\u00edpov na 1. cvi\u010den\u00ed. Pou\u017eijeme to ako lacnej\u0161iu variantu\u00a0multimetra<\/a>, ktor\u00fd vie mera\u0165 nap\u00e4tie, odpor aj pr\u00fad.<\/td>\r\n<\/tr>\r\n
Kit pas\u00edvnych komponentov<\/a><\/td>\r\n4.80\u20ac<\/td>\r\nBal\u00ed\u010dek obsahuj\u00faci rezistory, potenciometre, LEDky a tla\u010didl\u00e1. Ob\u010das sa oplat\u00ed k\u00fapi\u0165 tak\u00e9to balenie – ak chcete viac ako po jednom kuse z ka\u017ed\u00e9ho komponentu.<\/td>\r\n<\/tr>\r\n
Rezistory<\/a><\/td>\r\n2.20\u20ac<\/td>\r\nV\u00e4\u010d\u0161inou n\u00e1jdete ve\u013ea v jednom balen\u00ed. S\u00fa dos\u0165 mal\u00e9, tak\u017ee sa \u013eahko zni\u010dia alebo stratia. Budeme pou\u017e\u00edva\u0165 predov\u0161etk\u00fdm 10K\u03a9 a 330\u03a9 (resp. nie\u010do medzi 100\u03a9 a 500\u03a9, pod\u013ea dostupnosti).<\/td>\r\n<\/tr>\r\n
Potenciometer<\/a><\/td>\r\n0.50\u20ac<\/td>\r\nMy budeme pou\u017e\u00edva\u0165 B10K, ale je to v podstate jedno.<\/td>\r\n<\/tr>\r\n
Fotorezistor<\/a><\/td>\r\n0.20\u20ac<\/td>\r\nAnal\u00f3gov\u00fd senzor men\u00ed svoj odpor v z\u00e1vislosti od intenzity svetla. Alternat\u00edvne ide pou\u017ei\u0165 anal\u00f3gov\u00fd termistor. Anal\u00f3gov\u00fd senzotr<\/td>\r\n<\/tr>\r\n
LEDka<\/a><\/td>\r\n0.03\u20ac<\/td>\r\nPri LEDk\u00e1ch na farbe z\u00e1le\u017e\u00ed, ale m\u00f4\u017eete pou\u017ei\u0165 \u013eubovo\u013en\u00fa. Na cvi\u010den\u00ed pou\u017eijeme asi 1 bielu a jednu inej farby.<\/td>\r\n<\/tr>\r\n
Tla\u010didlo<\/a><\/td>\r\n0.15\u20ac<\/td>\r\nPou\u017eijeme tla\u010didlo so 4 pinmi.<\/td>\r\n<\/tr>\r\n
Buzzer<\/a><\/td>\r\n0.50\u20ac<\/td>\r\nPas\u00edvny sl\u00fa\u017ei na vytv\u00e1ranie mel\u00f3die, akt\u00edvny na alarm, resp. jeden t\u00f3n. My budeme ma\u0165 k dispoz\u00edcii pas\u00edvne zariadenia.<\/td>\r\n<\/tr>\r\n
7-segmentov\u00fd displej<\/a><\/td>\r\n0.35\u20ac<\/td>\r\nNa zobrazovanie \u010d\u00edsel alebo p\u00edsmen. V ponuke s\u00fa aj viac\u010d\u00edseln\u00e9 verzie.<\/td>\r\n<\/tr>\r\n
I2C expander<\/a><\/td>\r\n2.30\u20ac<\/td>\r\nNie je potrebn\u00e9 tak\u00fd sofistikovan\u00fd, sta\u010d\u00ed aj jednoduch\u0161\u00ed (k dispoz\u00edcii m\u00e1me PCF8574AP).<\/td>\r\n<\/tr>\r\n
Digit\u00e1lny senzor<\/a><\/td>\r\n2.00\u20ac<\/td>\r\nNapr. tento senzor teploty a vlhkosti. M\u00f4\u017eete pou\u017ei\u0165 \u013eubovo\u013en\u00fd in\u00fd senzor. \u010casto n\u00e1jdete r\u00f4zne tak\u00e9to senzory vo\u00a0v\u00e4\u010d\u0161\u00edch bal\u00ed\u010dkoch<\/a><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n","protected":false},"excerpt":{"rendered":"

Po\u010das di\u0161tan\u010dnej v\u00fdu\u010dby v roku 2021 dostal ka\u017ed\u00fd \u0161tudent hardv\u00e9rov\u00fd bal\u00ed\u010dek na pr\u00e1cu z domu. Nasledovn\u00e9 roky u\u017e prebieha prezen\u010dn\u00e1 v\u00fdu\u010dba a hardv\u00e9r je k dispoz\u00edcii v \u0161kole. V pr\u00edpade,…<\/p>\n","protected":false},"author":22,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-22","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/comments?post=22"}],"version-history":[{"count":9,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/22\/revisions"}],"predecessor-version":[{"id":215,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/22\/revisions\/215"}],"wp:attachment":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/media?parent=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}