{"id":71,"date":"2024-04-04T03:04:48","date_gmt":"2024-04-04T00:04:48","guid":{"rendered":"https:\/\/sisu.ut.ee\/elektroonika\/86-puldiga-taimer\/"},"modified":"2024-04-04T03:05:53","modified_gmt":"2024-04-04T00:05:53","slug":"86-puldiga-taimer","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/elektroonika\/86-puldiga-taimer\/","title":{"rendered":"8.6. Puldiga taimer"},"content":{"rendered":"<p>Optoelektroonikas kasutatakse sageli v\u00f5imalust, kus valgusallika ja kiirgussensori toiteallikad on erinevad, ning elektri m\u00f5ttes on kaks skeemi t\u00e4iesti lahutatud. Niisuguse l\u00fclituse nimetus on optron v\u00f5i optopaar (optocouple). Selles loengus l\u00fclitame infrapuna optopaari abil taimerit sisse-v\u00e4lja. Niisugust skeemi kasutatakse n\u00e4iteks teleka puldis v\u00f5i spordis fotofini\u0161is v\u00f5i sissep\u00e4\u00e4sukontrollis. 3V patarei puudumise korral v\u00f5ib ka ilma puldita l\u00e4bi ajada.<\/p>\n<p style=\"text-align: center\">\u00a0<\/p><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n<p style=\"text-align: center\"><a href=\"https:\/\/youtu.be\/EHdzdSEg32w\" target=\"_blank\" rel=\"noopener\">https:\/\/youtu.be\/EHdzdSEg32w<\/a><\/p>\n<p>\u00a0<\/p>\n<p>Praktilise t\u00f6\u00f6 jaoks vajad j\u00e4rgmisi vahendeid:<\/p>\n<ul>\n<li>makettplaat<\/li>\n<li>6V vooluallikas<\/li>\n<li>555 taimer<\/li>\n<li>NPN transistor BC547<\/li>\n<li>infrapuna valgusdiood<\/li>\n<li>infrapuna fototransistor<\/li>\n<li>takistid<\/li>\n<li>juhtmed<\/li>\n<li>potentsiomeeter<\/li>\n<li>3V patarei<\/li>\n<li>pesupulk<\/li>\n<li>valgusdioodid<\/li>\n<\/ul>\n<h5><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-79\" style=\"margin-left: 10px;margin-right: 10px\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/katse.png\" title=\"katse.png\" alt=\"katse.png\">Tee kaasa!<\/h5>\n<p>See skeem on efektsem, kui valgusdioodi vilgutamise asemel heli genereerida. Selleks tuleb 555 taimeri v\u00e4ljundisse \u00fchendada valjuh\u00e4\u00e4ldi ning sagedust m\u00e4\u00e4ravad takistid ja kondensaatorid v\u00e4lja vahetada. Vaata m\u00f5nest eelmisest videost, kuidas seda k\u00f5ike teha.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optoelektroonikas kasutatakse sageli v\u00f5imalust, kus valgusallika ja kiirgussensori toiteallikad on erinevad, ning elektri m\u00f5ttes on kaks skeemi t\u00e4iesti lahutatud. Niisuguse l\u00fclituse nimetus on optron v\u00f5i optopaar (optocouple). Selles loengus l\u00fclitame infrapuna optopaari abil taimerit sisse-v\u00e4lja. Niisugust skeemi kasutatakse n\u00e4iteks teleka &#8230;<\/p>\n","protected":false},"author":93,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-71","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/71","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/users\/93"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/comments?post=71"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/71\/revisions"}],"predecessor-version":[{"id":213,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/71\/revisions\/213"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/media?parent=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}