{"id":3279,"date":"2021-09-19T00:07:10","date_gmt":"2021-09-18T22:07:10","guid":{"rendered":"https:\/\/jvelektronika.cz\/?page_id=3279"},"modified":"2022-10-27T13:56:19","modified_gmt":"2022-10-27T11:56:19","slug":"dotykovy-spinac-s-casovacem-ne555","status":"publish","type":"page","link":"https:\/\/jvelektronika.cz\/?page_id=3279","title":{"rendered":"DOTYKOV\u00dd SENZOR S \u010cASOVA\u010cEM NE555"},"content":{"rendered":"\n<p>Jedn\u00e1 se o velice jednoduch\u00e9 zapojen\u00ed s velmi obl\u00edben\u00fdm IO NE555. Zapojen\u00ed je vhodn\u00e9 pro za\u010d\u00e1te\u010dn\u00edky i d\u011bti co se u\u010d\u00ed pozn\u00e1vat elektroniku.<\/p>\n\n\n\n<p>Zm\u011bnou kapacity kondenz\u00e1toru C2 lze dos\u00e1hnout del\u0161\u00edho svitu led diody, mnou zvolen\u00fd kondenz\u00e1tor 100uF udr\u017e\u00ed led diodu rozsv\u00edcenou cca. 2 sekundy.<\/p>\n\n\n\n<p>Barvu led diody si vyberte takovou, jak\u00e1 se V\u00e1m l\u00edb\u00ed, ale pamatujte, \u017ee \u010d\u00edm v\u011bt\u0161\u00ed odb\u011br led, t\u00edm krat\u0161\u00ed dobu vydr\u017e\u00ed sv\u00edtit, j\u00e1 pou\u017eil v tomto zapojen\u00ed b\u00edlou superjasnou s odb\u011brem 20mA a to bych pova\u017eoval za maxim\u00e1ln\u00ed odb\u011br led pro pou\u017eit\u00ed v tomto zapojen\u00ed. <\/p>\n\n\n\n<p>Nap\u00e1jen\u00ed je USS=4-6V, m\u00e1m odzkou\u0161eno i 3V av\u0161ak led sv\u00edt\u00ed pom\u011brn\u011b slab\u011b p\u0159i takto n\u00edzk\u00e9m nap\u011bt\u00ed, ale za\u0159\u00edzen\u00ed i tak funguje.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"802\" height=\"412\" src=\"https:\/\/jvelektronika.cz\/wp-content\/uploads\/2021\/09\/dotyk555jvelektronikaschemaok.jpg\" alt=\"\" class=\"wp-image-3288\" srcset=\"https:\/\/jvelektronika.cz\/wp-content\/uploads\/2021\/09\/dotyk555jvelektronikaschemaok.jpg 802w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2021\/09\/dotyk555jvelektronikaschemaok-300x154.jpg 300w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2021\/09\/dotyk555jvelektronikaschemaok-768x395.jpg 768w\" sizes=\"(max-width: 802px) 100vw, 802px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"epyt-video-wrapper\"><iframe loading=\"lazy\"  style=\"display: block; margin: 0px auto;\"  id=\"_ytid_75350\"  width=\"640\" height=\"360\"  data-origwidth=\"640\" data-origheight=\"360\" src=\"https:\/\/www.youtube.com\/embed\/vf3_cgg3154?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;modestbranding=0&#038;rel=1&#038;fs=1&#038;playsinline=1&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"YouTube player\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\n\nZa p\u0159\u00edpadn\u00e9 \u0161kody na majetku, nebo ujm\u011b na zdrav\u00ed nenesu \u017e\u00e1dnou odpov\u011bdnost!\n\n<\/p>\n\n\n\n<p>Publikov\u00e1no dne 19. 09. 2021<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jedn\u00e1 se o velice jednoduch\u00e9 zapojen\u00ed s velmi obl\u00edben\u00fdm IO NE555. Zapojen\u00ed je vhodn\u00e9 pro za\u010d\u00e1te\u010dn\u00edky i d\u011bti co se u\u010d\u00ed pozn\u00e1vat elektroniku. Zm\u011bnou kapacity kondenz\u00e1toru C2 lze dos\u00e1hnout del\u0161\u00edho svitu led diody, mnou zvolen\u00fd kondenz\u00e1tor 100uF udr\u017e\u00ed led diodu rozsv\u00edcenou cca. 2 sekundy. Barvu led diody si vyberte takovou, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3285,"parent":254,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/3279"}],"collection":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3279"}],"version-history":[{"count":3,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/3279\/revisions"}],"predecessor-version":[{"id":3547,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/3279\/revisions\/3547"}],"up":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/media\/3285"}],"wp:attachment":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}