{"id":15760,"date":"2021-12-02T17:46:18","date_gmt":"2021-12-02T09:46:18","guid":{"rendered":"https:\/\/pcblithuania.com\/?p=15760"},"modified":"2022-02-07T10:05:28","modified_gmt":"2022-02-07T02:05:28","slug":"555-laikmacio-delsa","status":"publish","type":"post","link":"https:\/\/pcblithuania.com\/555-laikmacio-delsa.html","title":{"rendered":"555 Laikma\u010dio delsa: \u201epasidaryk pats\u201c grandin\u0117, komponentai ir programos."},"content":{"rendered":"\n<p>B\u016bna moment\u0173, kai gali prireikti kontroliuoti kai kuri\u0173 elektronini\u0173 prietais\u0173 ir grandini\u0173 v\u0117lavimo minutes. Tokiais scenarijais laiko v\u0117linimas si\u016blo tik 5 sekund\u017ei\u0173 u\u017edelsim\u0105. Elektronin\u0117 pastovaus laiko v\u0117linimo grandin\u0117 taip pat naudinga, kai reikia i\u0161jungti arba \u012fjungti bet kok\u012f kintamosios srov\u0117s \u012frengin\u012f po nustatyto laiko.\u00a0Pavyzd\u017eiui, galite naudoti u\u017edelsimo funkcij\u0105, kad po valandos automati\u0161kai <a href=\"https:\/\/www.ourpcb.com\/led-bulb-circuit.html\">i\u0161jungtum\u0117te \u012fkraunam\u0105 LED lemp<\/a>\u0105 ir i\u0161vengtum\u0117te per didel\u0117s \u012fkrovos. \u0160iame straipsnyje suprojektuosime paprast\u0105 laiko v\u0117linimo grandin\u0119, naudodami 555 laikma\u010dio mikroschem\u0105. Tai dar ne viskas, \u010dia taip pat rasite kelet\u0105 555 laikma\u010dio integrinio laikma\u010dio taikymo sri\u010di\u0173.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/qKI5DIhId6UAxiiW3QShRpNxON9l5XWYu-663zmcfJm0ezCjTkmqEaDSJkzAn_1YYUosYZKwF_rHbE6nw-IOPicEO_NcgzBbPi2IaesXUs7vuL3PkGoFw6fSBXNcAj9s536h7-GB\" alt=\"skaitmeninis laikma\u010dio \u012fjungimo \/ i\u0161jungimo jungiklis\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">(skaitmeninis laikma\u010dio \u012fjungimo \/ i\u0161jungimo jungiklis)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;Kas yra 555 laikma\u010dio v\u0117linimas?<\/strong><\/h2>\n\n\n\n<p>555 v\u0117linimo integrinio grandyno schema yra populiarus, universalus ir paprastas laikmatis, kur\u012f gamintojai naudoja kitoms grandin\u0117ms projektuoti. Ji veikia su dviem jungikliais, kuri\u0173 vienas skirtas poilsiui, o kitas - v\u0117linimo laikui prad\u0117ti. Laiko v\u0117linimo grandin\u0117je taip pat yra potenciometras, kur\u012f sukant galima reguliuoti laiko v\u0117linim\u0105. Be to, pastov\u0173 u\u017edelsimo interval\u0105 galima nustatyti 1, 3, 10 minu\u010di\u0173 trukm\u0117s arba bet kokio laikotarpio nuo keli\u0173 sekund\u017ei\u0173 iki valand\u0173. Be galios valdymo, paprastas laikmatis v\u0117l gali kurti pavienius impulsus arba ilgesnius laiko v\u0117linimus.&nbsp;<\/p>\n\n\n\n<p>Be to, pastovus laiko v\u0117linimas turi stabilius a\u0161tuonis kai\u0161\u010dius. \u010cia galite rinktis i\u0161 keli\u0173 variant\u0173, galite juos valdyti kaip bistabilius, monostabilius arba astabilius vibratorius, kad sukurtum\u0117te kelet\u0105 taikom\u0173j\u0173 program\u0173, pavyzd\u017eiui, impuls\u0173 generavim\u0105, lemp\u0173 ir \u0161viesos diod\u0173 blyksnius, ton\u0173 ir signal\u0173 k\u016brim\u0105, da\u017enio dalijim\u0105, loginius laikrod\u017eius, keitiklius ir maitinimo \u0161altinius ir t. t. Jis veikia visose valdymo in\u017einerijos srityse, kuriose reikia tam tikros laiko kontrol\u0117s formos.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/Wyj5UGdvEI-K2t-6DfS6TEpS41VdNowdMo5cqLJrA2toTVldWElIpRYftBCuvw07J7NBezpev_zumiwmAk4FHnD3LLFwdfE13qlJcnjPKkNh7Y2utR-vwEaMFBj-mhTHzyt7rGqw\" alt=\"\uff08555 v\u0117lavimo IC grandin\u0117)\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">\uff08555 v\u0117lavimo IC grandin\u0117)<\/p>\n\n\n\n<p>\u0160altinis: <a href=\"https:\/\/en.wikipedia.org\/wiki\/555_timer_IC#\/media\/File:555_esquema.png\u00a0\">https:\/\/en.wikipedia.org\/wiki\/555_timer_IC#\/media\/File:555_esquema.png\u00a0<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;555 laikma\u010dio veikimo principas.<\/strong><\/h2>\n\n\n\n<p>Gimimo laiko v\u0117linimo grandin\u0117 da\u017enai veikia esant 9-12 V nuolatinei \u012ftampai. Tod\u0117l, nor\u0117dami nustatyti pastov\u0173 v\u0117linimo interval\u0105, kad b\u016bt\u0173 gaunami teisingi atsakymai, naudosime<a href=\"https:\/\/en.wikipedia.org\/wiki\/Electrolytic_capacitor\"> elektrolitin\u012f kondensatori\u0173<\/a> Cx. Ta\u010diau jei norite 0 sekund\u017ei\u0173 v\u0117linimo, naudokite 10 \u00b5F. Taip pat, jei norite, kad u\u017edelsimas b\u016bt\u0173 kintamas 2 minutes, naudokite 100 \u00b5F ir t. t. V\u0117liau jungikl\u012f prijunkite prie IC 555 laiko v\u0117linimo lygio 2 \u012fvesties. Atkreipkite d\u0117mes\u012f, kad mygtuko paspaudimas \u012fjungia IC ir toliau u\u017etikrina atitinkam\u0105 laiko v\u0117linim\u0105. Jis taip pat \u012fjungia 30 minu\u010di\u0173 u\u017edelsim\u0105 tarp gaunam\u0173 signal\u0173.\u00a0<\/p>\n\n\n\n<p>Kaip u\u017edelsimo sesij\u0173 indikatori\u0173 \u0161alia srov\u0117s ma\u017einimo rezistoriaus naudokite \u0161viesos diod\u0105. Tokiu b\u016bdu galiausiai tur\u0117tum\u0117te \u012fjungti rezistori\u0173, kai tik \u012fjungsite <a href=\"https:\/\/www.ourpcb.com\/relay-module.html\">rel\u0117s modul\u012f<\/a>. Be to, bet koks elektroninis prietaisas, kur\u012f prijungsite prie rel\u0117s, \u012fjungus j\u0105, gaus faz\u0117s poslink\u012f. Vis\u0173 pirma, j\u016bs\u0173 rel\u0117 tur\u0117t\u0173 tur\u0117ti tinkam\u0105 reagavimo \u012ftamp\u0105, analogi\u0161k\u0105 u\u017edelsimo grandin\u0117s minu\u010di\u0173 darbinei \u012ftampai.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/VeLwoANNkmM6wzV6gZf4RgiUb8NO16iyZQ4ew9LkkvDbTKihQ5amdWv4HAI0F9Goj4zOcfLVhoiO_tlwvdX7MPF8xgR2MwcUqgP1xmDSAiYkNIBDj4eHz-8XeY_wNk-LAc5Q__Qx\" alt=\"\uff08relin\u0117s rel\u0117s modulis\uff09\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">\uff08relin\u0117s rel\u0117s modulis\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;555 laikma\u010dio v\u0117linimo grandin\u0117s komponentai ir konstrukcija<\/strong><\/h2>\n\n\n\n<p>Jei esate naujokas elektronini\u0173 grandini\u0173 projektavime, jums n\u0117ra ko nerimauti, nes gimimo u\u017edelsimo laikrod\u012f lengva sukonstruoti. Norint sukonstruoti, pavyzd\u017eiui, 3 sekund\u017ei\u0173 u\u017edelsimo instrukcijos grandin\u0119, jums reik\u0117s keli\u0173 komponent\u0173. Juos sudaro;<\/p>\n\n\n\n<p><strong>Komponent\u0173 s\u0105ra\u0161as<\/strong><\/p>\n\n\n\n<p>555 laikmatis IC.<br>LED arba bet koks i\u0161vesties \u012frenginys.<br>Rezistorius: 1k, 10k, 68k, 220R.<br>Kintamasis rezistorius: 1000k.<br>Mygtuko jungiklis.<br>Bandomoji Lenta.<br>470uF <a href=\"https:\/\/www.ourpcb.com\/capacitor-polarity.html\">kondensatorius<\/a>.<br>Rel\u0117: 12V.<br>Jungiamieji laidai.<br>Potenciometras (pasirinktinai).<br>Maitinimas (9-12V).<br>LED.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>555 laikma\u010dio blokin\u0117 schema&nbsp;<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/brv4PQdTerAwhly7EYOcNMvch00D_m0OfVFs3rX0coeMEetIDKNDW9uAoRDHTJzV-9ybOTmaOkTJiTjA9HTaj4pGCkaoZWq9EZExgI2nnzjxvEK5aEnCF_HYaaNYUR4eX5roYHuj\" alt=\"\"\/><\/figure>\n\n\n\n<p>(Laiko u\u017edelsimo laikma\u010dio grandin\u0117s lemput\u0117)<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/File:NE555_Bloc_Diagram.svg\">https:\/\/en.wikipedia.org\/wiki\/File:NE555_Bloc_Diagram.svg<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><em>1 kai\u0161tis - \u012f\u017eeminimas<\/em><\/strong><\/h4>\n\n\n\n<p>\u012e\u017eeminimo kai\u0161tis sujungia 0 sekund\u017ei\u0173 u\u017edelsimo laikmat\u012f su <a href=\"https:\/\/en.wikipedia.org\/wiki\/IC_power-supply_pin\">neigiamu maitinimo \u0161altiniu<\/a>.\u00a0<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><em>2 kai\u0161tis. - Triggeris<\/em><\/strong><\/h4>\n\n\n\n<p>Trigerio kai\u0161tis teka nuo antrojo komparatoriaus neigiamo \u012f\u0117jimo antifaz\u0117s. Tuo pat metu dviej\u0173 komparatori\u0173 i\u0161\u0117jimai toliau jungiami prie nustatyto vidinio kai\u0161\u010dio. Taigi, kai \u012ftampa suma\u017e\u0117ja, laikma\u010dio u\u017edelsimo lygio \u012ftampa pereina i\u0161 \u017eemos \u012f auk\u0161t\u0105 b\u016bsen\u0105.&nbsp;&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><em>3 kai\u0161tis - i\u0161\u0117jimas<\/em><\/strong><\/h4>\n\n\n\n<p>I\u0161vesties kai\u0161tis gali tiekti arba tiekti daugiau kaip 200 mA srov\u0119, esant 5 sekund\u017ei\u0173 u\u017edelsimo i\u0161\u0117jimo \u012ftampai. Be to, jis neatlieka jokios i\u0161skirtin\u0117s funkcijos v\u0117linimo lygmenyje. Ta\u010diau tuo tarpu b\u016btent prie i\u0161vesties kai\u0161\u010dio prijungiama apkrova.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><em>4 kai\u0161tis - Reset<\/em><\/strong><\/h4>\n\n\n\n<p>Jis bet kokiu atveju atstato tre\u010diojo i\u0161vesties kai\u0161\u010dio b\u016bsen\u0105. Lik\u0119s kai\u0161tis tiesiogiai jungiamas prie flip flopo MR (pagrindinio atstatymo). Be to, jis taip pat yra aktyvus faz\u0117s poslinkis arba \u012fvestis, kai jis neveikia, kad b\u016bt\u0173 i\u0161vengta nepageidaujamo i\u0161\u0117jimo atstatymo.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/vMux9RPW8UGQlEf4940GKjrAWhZf2DuaIoqOeCAJU3PPGscqDhKOaG_FdRBX_Qeq_Zyrg6SfULeRohdKRqH23Gu-lzxVGwR0ZdzldcBNYRL22RENOkuZmUFikdIFLJznMQvVVT5P\" alt=\"Laikma\u010dio u\u017edelsimo tiksi bomba\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">(Laikma\u010dio u\u017edelsimo tiksi bomba)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5 kai\u0161tis - valdymo kai\u0161tis<\/strong><\/h3>\n\n\n\n<p>Valdymo kai\u0161tis reguliuoja IC 555 laikma\u010dio laik\u0105, u\u017ego\u017edamas neuronin\u012f tinkl\u0105. Be to, jis prijungiamas prie neigiamo \u012f\u0117jimo komparatoriaus vienas, kad b\u016bt\u0173 galima pateikti tikslias u\u017edelsimo sesijas. Prijungus \u012ftamp\u0105 prie kai\u0161\u010dio, i\u0161\u0117jimo signalo plotis kinta nepriklausomai nuo v\u0117linimo funkcijos tinklo. Paprastai kai\u0161tis sujungiamas su kondensatoriumi, kad veikiant b\u016bt\u0173 i\u0161vengta nepageidaujamo triuk\u0161mo.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6 kai\u0161tis - slenkstis<\/strong><\/h3>\n\n\n\n<p>Tai teigiamas 1 komparatoriaus \u012f\u0117jimas. Slenkstinis kai\u0161tis nustato, kada laiko v\u0117linimo grandin\u0117je turi b\u016bti i\u0161 naujo nustatytas flip flopas. Kai \u012fjungiama \u012ftampa, vir\u0161ijanti&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7 kai\u0161tis - i\u0161krovimas&nbsp;<\/strong><\/h3>\n\n\n\n<p>I\u0161krovos kai\u0161tis ima i\u0161 vidinio <a href=\"https:\/\/en.wikipedia.org\/wiki\/Transistor\">tranzistoriaus <\/a>atviro kolektoriaus, kuris i\u0161krauna laiko kondensatori\u0173 \u012f \u017eem\u0119. Jis i\u0161 esm\u0117s atlieka nepriklausomo atsako grandinei funkcij\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8 kai\u0161tis - Vcc arba maitinimo \u0161altinis<\/strong><\/h3>\n\n\n\n<p>Maitinimo kai\u0161tis jungiamas prie teigiamos 4,5-15 V \u012ftampos.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/owmd268c9LBIk7O-KFm262qsEJOocj5C9y9CIs4pV6Hw6U4eqfp2SzewtSlbZfX1TrL-yaZwNudJm2x87rzV4yep3wWzPP9vaO3zGSaxv2vTkZv9D0GLSrnAlqliPNt7ga4eDL3t\" alt=\"u\u017edelsimo laikas LED blyks\u0117jimas\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">(u\u017edelsimo laikas LED blyks\u0117jimas)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Fiksuoto u\u017edelsimo \u012fjungimo\/i\u0161jungimo laikma\u010dio grandin\u0117<\/strong><\/h3>\n\n\n\n<p>Fiksuojamas u\u017edelsimo laikas, per kur\u012f grandin\u0117 automati\u0161kai i\u0161sijungia arba \u012fsijungia. Ta\u010diau trukm\u0119 taip pat galite apskai\u010diuoti pagal toliau pateikt\u0105 formul\u0119.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reguliuojama \u012fjungimo ir i\u0161jungimo laikma\u010dio grandin\u0117<\/strong><\/h3>\n\n\n\n<p>Nor\u0117dami sureguliuoti laikma\u010dio trukm\u0119 5 sekund\u017ei\u0173 u\u017edelsimo, 0 sekund\u017ei\u0173 u\u017edelsimo ar ilgesniam laikui, rezistori\u0173 pakeiskite potenciometru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Laikma\u010dio u\u017edelsimo trukm\u0117s apskai\u010diavimas<\/strong><\/h3>\n\n\n\n<p>Laiko u\u017edelsimo grandin\u0117s teleoperavimo trukm\u0117 lygi kondensatoriaus \u012fkrovimo laikui nuo 0 V iki 2\/3 maitinimo \u012ftampos iki galo. Tod\u0117l vert\u0117 lygi;<\/p>\n\n\n\n<p>T = 1,1 x R1 x C1, kur R, C yra naudojamos laikma\u010dio rezistoriaus ir kondensatoriaus vert\u0117s, o T yra laiko trukm\u0117 sekund\u0117mis.&nbsp;<\/p>\n\n\n\n<p>Pavyzd\u017eiui, fiksuoto u\u017edelsimo \u012fjungimo \/ i\u0161jungimo grandin\u0117s schemoje, jei naudojate 470uF kondensatori\u0173 ir 33 k rezistori\u0173, tai sukuria gimimo u\u017edelsimo laik\u0105;<\/p>\n\n\n\n<p>T = 1,1 * (33000) * (0,000470) = 15 sekund\u017ei\u0173.<\/p>\n\n\n\n<p>Kad pakeistum\u0117te pastovi\u0105j\u0105 u\u017edelsimo trukm\u0119, atitinkamai pakeiskite C1 ir R1 kondensatori\u0173 vert\u0119.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/T5F0fJfy2UJK5-qdMRDBSTNFnsUWgNaPyf6q3txQdOMGxNs1MWEyLYeTZZn_3F8rV_BZZaFqa1-H6ddtE8usqXfPvTD0bYWIIhLNdqnnsfAxK-xl_3mcb8C88KlEuHjq9oiDL_FS\" alt=\"(8 gnybt\u0173 kai\u0161tis)\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">(8 gnybt\u0173 kai\u0161tis)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>&nbsp;V\u0117lavimo laiko grandin\u0117s taikymas<\/strong><\/h2>\n\n\n\n<p>\u0160tai keletas reali\u0173 praktini\u0173 u\u017edelsimo laiko grandin\u0117s taikym\u0173;<\/p>\n\n\n\n<ul><li>\u017dibintuv\u0117liai.<\/li><li>Automati\u0161kai \u012fjungti \/ i\u0161jungti skaitymo lemputes po kintamo laiko v\u0117linimo.<\/li><li>Kita funkcija - ji apsaugo buitinius prietaisus nuo \u0161uoli\u0173 ir vir\u0161\u012ftampi\u0173 su maksimaliu v\u0117linimu.<\/li><li>Akumuliatoriams i\u0161jungti, kad b\u016bt\u0173 i\u0161vengta per didelio \u012fkrovimo.<\/li><li>Rel\u0117se, kurios veikia su automatinio \u012fjungimo \/ i\u0161jungimo grandin\u0117mis, jis veikia kaip 30 minu\u010di\u0173 u\u017edelsimo laikmatis.<\/li><li>Jautri\u0173 elektronini\u0173 prietais\u0173 grandin\u0117se taip pat naudojama 3 sekund\u017ei\u0173 u\u017edelsimo instrukcija, kad b\u016bt\u0173 galima gauti nepriklausom\u0105 atsak\u0105 i\u0161 maitinimo \u0161altini\u0173.<\/li><li>Galiausiai jis reguliuoja i\u0161\u0117jimo prietais\u0173 sek\u0105, kad b\u016bt\u0173 duodami teisingi atsakymai, pavyzd\u017eiui, toniniai pavojaus signalai.\u00a0<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/Q9lbXOhIZttTcL-0Sk9MDRIQN8W12cVQv8yDgcOj1iQsJKv-lGDPRfnfoBuJXl-MeJ4kSkk5RTIbJu2cBNxFbs1YtDyIQBEQQsT8yEGy2z9RXhkIHQ5nfydRJ7wOef-96mHEayv9\" alt=\"(8 kontakt\u0173 gnybt\u0173 lizdas)\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">(8 kontakt\u0173 gnybt\u0173 lizdas)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I\u0161vada&nbsp;<\/strong><\/h2>\n\n\n\n<p>Naudodamiesi pirmiau pateiktomis instrukcijomis, \u017einoma, tur\u0117tum\u0117te suprasti, kaip veikia laikma\u010dio u\u017edelsimo grandin\u0117s. Be to, rasite kiekvienos grandin\u0117s fazi\u0173 skirtum\u0105.&nbsp;<\/p>\n\n\n\n<p>Be abejo, sukurti laikma\u010dio v\u0117linimo grandin\u0119, kad puikiai sutapt\u0173 su visais a\u0161tuoniais kai\u0161\u010diais, yra gana paprasta. Kaip pradedan\u010diajam elektronikos srityje, 555 laiko delsa yra puikus projektas. Svarbu pa\u017eym\u0117ti, kad visi integrini\u0173 grandyn\u0173 komponentai yra \u012fprastai prieinami j\u016bs\u0173 s\u0105rankai.&nbsp;<\/p>\n\n\n\n<p>Ar turite klausim\u0173? Nedvejodami kreipkit\u0117s \u012f <a href=\"https:\/\/pcblithuania.com\/\">mus<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u016bna moment\u0173, kai gali prireikti kontroliuoti kai kuri\u0173 elektronini\u0173 prietais\u0173 ir grandini\u0173 v\u0117lavimo minutes. Tokiais scenarijais laiko v\u0117linimas si\u016blo tik 5 sekund\u017ei\u0173 u\u017edelsim\u0105. Elektronin\u0117 pastovaus laiko v\u0117linimo grandin\u0117 taip pat naudinga, kai reikia i\u0161jungti arba \u012fjungti bet kok\u012f kintamosios srov\u0117s \u012frengin\u012f po nustatyto laiko.\u00a0Pavyzd\u017eiui, galite naudoti u\u017edelsimo funkcij\u0105, kad po valandos automati\u0161kai i\u0161jungtum\u0117te \u012fkraunam\u0105 LED [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[419],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>555 Laikma\u010dio delsa<\/title>\n<meta name=\"description\" content=\"\u0160iame straipsnyje suprojektuosime paprast\u0105 laiko v\u0117linimo grandin\u0119, naudodami 555 laikma\u010dio mikroschem\u0105. 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