Video: Vim li cas peb thiaj xav tau Debouncing?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hloov debounce yog ib yam ntawm cov ntawd koj feem ntau yuav tsum tau nyob nrog thaum ua si nrog keyboards thiab digital circuits. Yog koj xav input ib phau ntawv hloov teeb liab mus rau hauv ib tug digital circuit koj 'yuav xav tau rau debounce lub teeb liab ces ib zaug nias tsis tshwm li ntau presses.
Kuj paub, vim li cas Debouncing tseem ceeb?
hluav taws xob tiv tauj rau cov keyboards muaj qhov loj thiab lub zog. Feem ntau ib qho yooj yim tshaj ib qho kev thawb khawm yog siv rau kev tswj ntawm electronics rau kev tswj. Debouncing yog ib lo lus siv rau cov tswv yim los txo qhov kev sib cuag mus rau ib qho xwm txheej. Nws tuaj yeem yog software thiab kho vajtse.
debounce txhais li cas? bouncing yog qhov nyiam ntawm ob qho kev sib cuag hlau hauv ib qho khoom siv hluav taws xob los tsim ntau lub teeb liab thaum cov neeg raug kaw lossis qhib; debounce yog ib yam ntawm cov cuab yeej kho vajtse lossis software uas ua kom ntseeg tau tias tsuas yog ib lub teeb liab nkaus xwb yuav ua rau ib qho qhib lossis kaw ntawm kev sib cuag.
Ua raws li qhov kev pom no, qhov debounce Circuit Court ua haujlwm li cas?
R-C Debouncing Lub capacitor nyob rau hauv Circuit Court lim cov kev hloov tam sim hauv lub teeb liab hloov. Thaum qhov hloov pauv nyob rau hauv lub xeev qhib qhov hluav taws xob thoob plaws lub capacitor nyob twj ywm xoom. Thaum pib, thaum hloov pauv qhib lub capacitor them los ntawm R1 thiab R2 resistor. Yog li, nws txo lub sijhawm them nyiaj ntawm lub capacitor.
Lub sijhawm debounce zoo yog dab tsi?
Qhov nruab nrab tus kws ntaus ntawv ntaus ntawv feem ntau nyob rau hauv speeds ntawm 50 mus rau 80 wpm - txog 250-400 cim ib feeb. Qhov ntawd yog 4 - 6 cim ib ob. 50 ms ncua = 20 cim ib ob! 300 ms ncua = 3.33 cim ib ob.
Pom zoo:
Vim li cas peb thiaj xav tau qhov chaw nyob thiab lub cev?
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