{"id":259,"date":"2023-03-09T08:22:52","date_gmt":"2023-03-09T07:22:52","guid":{"rendered":"https:\/\/ics.science.upjs.sk\/iot\/?page_id=259"},"modified":"2023-03-09T08:22:52","modified_gmt":"2023-03-09T07:22:52","slug":"protokoly-experimenty-2023","status":"publish","type":"page","link":"https:\/\/ics.science.upjs.sk\/iot\/cvicenia\/protokoly-experimenty-2023\/","title":{"rendered":"Protokoly – Experimenty"},"content":{"rendered":"

MQTT Explorer<\/h2>\n

Stiahnite si MQTT Explorer<\/a>.<\/p>\n

Connection – upravte existuj\u00faci, prip\u00e1jame sa na mqtt:\/\/test.mosquitto.org\/1883<\/strong>.
\nV r\u00e1mci Advanced nastaven\u00ed m\u00f4\u017eeme vymaza\u0165 v\u0161etky topics a prida\u0165 nov\u00fa polo\u017eku upjs\/iot\/#<\/strong>,
\nQoS m\u00f4\u017ee osta\u0165 defaultn\u00e9 = 0.
\nPripoj\u00edme sa pomocou Connect<\/strong>.<\/p>\n

Vysk\u00fa\u0161ajte si:<\/p>\n

    \n
  1. Publish na \u013eubovo\u013en\u00fd topic<\/em> – nejak\u00fa raw hodnotu.<\/li>\n
  2. Publish \u010d\u00edselnej hodnoty na rovnak\u00fd topic<\/em> – pozrie\u0165 hist\u00f3riu a prida\u0165 do chart.<\/em><\/li>\n
  3. Publish viacer\u00fdch \u010d\u00edseln\u00fdch hodn\u00f4t vo form\u00e1te json, pridanie do charts<\/em>.<\/li>\n
  4. Sledovanie aktu\u00e1lnych d\u00e1t na r\u00f4znych topics<\/em>.<\/li>\n<\/ol>\n

    Smartf\u00f3n<\/h2>\n

    Nain\u0161talujte si aplik\u00e1ciu Sensor Node Free<\/a> na Android smartf\u00f3noch.<\/p>\n

    V aplik\u00e1cii aktivujme senzory a komunik\u00e1ciu v Stream->Stream Live Data (MQTT).
    \nAktivujte Battery Percent + nejak\u00e9 senzory (napr. Proximity, Pressure, LightIntensity).
    \nV pr\u00edpade potreby je mo\u017en\u00e9 v settings upravi\u0165 frekvenciu odosielania d\u00e1t.
    \nTopic nech je upjs\/iot\/va\u0161e_meno<\/strong>.
    \nMQTT server: tcp<\/strong>:\/\/test.mosquitto.org:1883.<\/p>\n

    V MQTT Explorer sledujeme prich\u00e1dzaj\u00face hodnoty.
    \nM\u00f4\u017eeme si vyfiltrova\u0165 stav bat\u00e9rie od v\u0161etk\u00fdch: upjs\/iot\/+\/battery.
    \nJednotliv\u00e9 \u00fadaje si vykres\u013eujme – range na hodnoty,<\/p>\n

    JAVA<\/h2>\n

    Vysk\u00fa\u0161ajte si MQTT v Jave<\/a>.
    \nM\u00f4\u017eete sa zamyslie\u0165 nad \u00fapravou k\u00f3du pre publish a subscribe pod\u013ea pr\u00edslu\u0161n\u00e9ho use-case.
    \nSledujte zmeny aj v MQTT Explorer.<\/p>\n","protected":false},"excerpt":{"rendered":"

    MQTT Explorer Stiahnite si MQTT Explorer. Connection – upravte existuj\u00faci, prip\u00e1jame sa na mqtt:\/\/test.mosquitto.org\/1883. V r\u00e1mci Advanced nastaven\u00ed m\u00f4\u017eeme vymaza\u0165 v\u0161etky topics a prida\u0165 nov\u00fa polo\u017eku upjs\/iot\/#, QoS m\u00f4\u017ee osta\u0165…<\/p>\n","protected":false},"author":22,"featured_media":0,"parent":207,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-259","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/259","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=259"}],"version-history":[{"count":1,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/259\/revisions"}],"predecessor-version":[{"id":260,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/259\/revisions\/260"}],"up":[{"embeddable":true,"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/pages\/207"}],"wp:attachment":[{"href":"https:\/\/ics.science.upjs.sk\/iot\/wp-json\/wp\/v2\/media?parent=259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}