TFT LCD: ukubonisa Arduino

tft

Ubudala bedijithali bungenise yonke inkitha yetekhnoloji entsha yokubonisa. I TFT LCD izikrini bobunye bobugcisa obutshintshe ishishini lezixhobo ze-elektroniki kwiminyaka yakutshanje. Ezi ziboniso zitsha zenze ukuba abavelisi bakwazi ukuhambisa i-interfaces entsha yomsebenzisi, amaxesha okuphendula ngokukhawuleza, kunye nemifanekiso ebukhali kwiintlobo ngeentlobo zezixhobo, ukusuka kwiiTV ukuya kwii-smartphones kunye nayo yonke into ephakathi.

Eli nqaku liza kukukhokela kwihlabathi le-TFT LCD izikrini. TFT imele Ifilim eThin Transistor elulwelo Isiboniso seCrystal (ifilm-thin-film transistor liquid crystal display), ngelixa i-LCD ibhekisa kusetyenziso lwayo ngokubanzi kuninzi lwezixhobo zombane ezinjengoomabonakude, iimonitha zekhompyuter, kunye neeprojektha, phakathi kwezinye. Ukuba uqhelene neziseko zezi teknoloji zokubonisa, ukuhhafu apho.

Yintoni TFT LCD screen?

Isikrini seLCD

A TFT LCD screen a bhanyabhanya encinci transistor umboniso elektroniki (TFT). Oku kuthetha ukuba njengesikrini se-LCD esiqhelekileyo, esi sikrini sikwasebenzisa imathiriyeli yekristale elulwelo. Nangona kunjalo, umahluko ophambili phakathi kwe-LCD eqhelekileyo kunye ne-TFT LCD yindlela i-crystal material esetyenziswa ngayo kwi-TFT LCD. Ngokungafaniyo nesikrini se-LCD esiqhelekileyo, esisebenza ngokuguqula umbane kwi-liquid crystal material on and off, i-TFT inomjikelezo wolawulo lwedijithali. Olu tshintsho lolawulo luvumela isikrini ukubonisa imifanekiso, kuquka okubhaliweyo kunye nemizobo.

Iindidi ze-TFT-LCDs

  • imatrix esebenzayo: Iziboniso ze-matrix ye-TFT ye-LCD esebenzayo zisebenzisa umaleko obhityileyo wemathiriyeli yekristale elulwelo efakwe phakathi kweeleya ezimbini ezibhityileyo zee-electrode ezibonisa ukukhanya. Ifilimu ye-transparent conductive encinci ifakwe phakathi kwezi electrode kwaye isebenze njengokutshintsha. Xa i-voltage isetyenziswe kulo lonke i-electrodes, i-crystal material ye-liquid inyanzelekile ukuba iguqule isimo sayo se-polarization, ibangele utshintsho kwiimpawu zayo ezibonakalayo. Le propati isetyenziselwa ukuvula nokucima iipixels ukuvelisa umfanekiso.
  • I-matrix ye-Passive: Kwimiboniso ye-matrix ye-TFT ye-LCD ye-matrix, iphaneli yekristale yolwelo ifakwe phakathi kweepleyiti zeglasi ezimbini. Xa i-voltage isetyenziswa phakathi kwee-electrode ezimbini zeglasi, i-electrodes itshintsha ibe yi-conductive states kwaye ikristale yolwelo iyatshintsha ukusuka kwelinye ilizwe ukuya kwelinye. Ngale ndlela, ii-pixels zilawulwa yiphaneli ngokwayo.

Izinto ezilungileyo ze-TFT LCDs

Entre iingenelo kwesikrini TFT zezi:

  • umgangatho wesoda elungileyo: Ireyithi yokuhlaziya ibhekisa kwisantya apho iscreen sedijithali sinokubonisa imifanekiso emitsha. Umzekelo, uninzi lomabonakude beCRT babonisa imifanekiso ngesantya sohlaziyo seHz 60. Oku kuthetha ukuba umfanekiso oboniswe kwisikrini uhlaziywa amaxesha angama-60 ngesekhondi. Ngobuchwepheshe obutsha, obufana ne-LCDs, eli zinga lokuhlaziya liye lancitshiswa laya kwi-244 Hz, oku kuthetha ukuba imifanekiso eboniswe kwisikrini ihlaziywa kuphela ngamaxesha angama-244 ngomzuzwana. Kwiimeko ezininzi, umyinge wokuhlaziya ubuncinci obuyi-60 Hz uyafuneka ukunikezela ngomgangatho owamkelekileyo womfanekiso. Isikrini esinezinga lokuhlaziya elingaphantsi kunelo likhangeleka lijiyile kwaye limfiliba.
  • Indawo yokubukela ebanzi: Ngokungafaniyo noomabonakude be-CRT ababonisa imifanekiso ene-angle yokujonga emxinwa, iiLCDs zanamhlanje ziyakwazi ukubonisa imifanekiso ene-angle yokujonga ebanzi. Oku kuthetha ukuba unokujonga imifanekiso kunye noogxa bakho kunye nabahlobo kwi-engile ebanzi ngaphandle komgangatho womfanekiso ochaphazelekayo.
  • Ubungakanani becompact: Ukuba tyaba, ubungakanani buxinene kwaye bubhityile xa kuthelekiswa nescreen seCRT. Kwakhona, iiCRT azidli ngokuza ngohlobo olubanzi lobungakanani, zombini ezinkulu nezincinci zezeLCD kuphela.

Ukungalungi kwezikrini ze-TFT LCD

Phakathi kwezinto ezingeloncedo kwezi zikrini xa kuthelekiswa neeCRT ezindala zezi:

  • Ixabiso: Inzuzo ephambili yesikrini se-LCD yindleko ephantsi yokuvelisa. Xa kuthelekiswa neendleko zemveliso ye-TFT, i-LCD ixabisa ngaphantsi, iyenza ibe bubuchwephesha bokubonisa obufikelelekayo kubantu abaninzi. Nangona kunjalo, kutsha nje kukho inkqubela phambili kwitekhnoloji ye-microlens eyenze ukuba kube nokwenzeka ukwenza iziboniso ezikumgangatho ophezulu ngexabiso eliphantsi lokuvelisa.
  • Ukusetyenziswa: Kuba kufuneka baphinde bakhanyiswe.

Eyona Arduino ehambelana neTFT iziboniso

16x2 umzobo uqhagamshelo lweLCD ukuya Arduino Uno

Ukuba uya ukuthenga izikrini TFT Kwiiprojekthi zakho ngeArduino, nantsi eminye imizekelo esiyicebisayo:

Njengoko ubona, azibizi kakhulu kwaye zikuvumela ukuba wenze iiprojekthi ezininzi ngeArduino. Kwaye ayisiyiyo loo nto kuphela, unokubajoyina kwezinye iiprojekthi ezahlukeneyo, kubandakanya ii-SBC ezifana neRaspberry Pi. Ukuguquguquka kuphezulu kakhulu, umda yintelekelelo yakho.


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