Ntau hom kev hloov DIP

Dec 06, 2018 Tso lus

Muaj ntau ntau hom DIP keyboards. Qee qhov feem ntau yog cov swb, rocker, piano (sab), thiab hom teb.


Hloov cov voj kab xev muaj ntau tus neeg siv hluav taws xob, ib qho yog xaiv los ntawm txoj kev hloov los mus ua ke nrog tus lej sau rau ntawm pob. Cov no tej zaum yuav loj xws li thumbwheels, los yog me me uas tus ntsia thawv yuav tsum tau siv los hloov lawv (txawm tias muaj cov potentiometers me me ntawm hom no).


Cov swb thiab rocker hom, uas muaj ntau heev, yog cov arrays yooj yooj yim ib qho, ib qho pov thawj nkaus (SPST) cov neeg muaj feem, uas tuaj yeem ua rau lossis tawm. Qhov no tso cai rau txhua qhov hloov mus xaiv ib qho nqi me ntsis hauv binary. Qhov tseem ceeb ntawm tag nrho cov keyboards nyob rau hauv lub pob kuj muab txhais ua ib tug xov tooj. Piv txwv, xya keyboards muab kev sib txuas lus 128 (27), cia lawv xaiv ib tus qauv ASCII. Yim cov keyboards muaj 256 (28) kev sib txuas, uas yog sib npaug rau ib byte.


Lub pob hloov DIP tseem muaj lub qhov ntsaws pins los yog kev txhim kho kom ua tau txoj kev hluav taws xob los ntawm cov kev sib txuas mus rau lub rooj tsav xwm hauv Circuit Court. Txawm hais tias circuits siv tau hluav taws xob ncaj qha, nws yog ntau dua los hloov lawv mus rau hauv high thiab low signals. Hauv qhov no, lub rooj tsav xwm Circuit Board kuj xav tau kev cuam tshuam cov kab sib txuas rau DIP, los ntawm kev rub tawm los yog rub-down resistors, lub tsheb, txiav txim logic, thiab lwm yam khoom. Feem ntau, cov cuab yeej firmware nyeem cov DIP keyboards thaum lub tshuab siv.


Nrog qhov nrov ntawm qhov chaw nto-tshuab, cov keyboards no yog tam sim no muaj nyob rau hauv non-DIP nto-pob pob ntawv. Txawm li cas los, lawv tseem hu ua "DIP switches", raws li lub sij hawm tau ua nrog rau cov kev hloov ntawm qhov hloov.


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