Cov txheej txheem:

Quiz Buzzer Siv 555 Timer IC: 4 Kauj Ruam
Quiz Buzzer Siv 555 Timer IC: 4 Kauj Ruam

Video: Quiz Buzzer Siv 555 Timer IC: 4 Kauj Ruam

Video: Quiz Buzzer Siv 555 Timer IC: 4 Kauj Ruam
Video:  🔴 CAPACITOR CHECK ON MOBILE PCB||CAPACITOR CHECK KAISE KARE @multitechmobilegyan 2024, Kaum ib hlis
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Quiz Buzzer Siv 555 Timer IC
Quiz Buzzer Siv 555 Timer IC

Txoj haujlwm no tau txhawb nqa los ntawm LCSC.com. LCSC muaj kev mob siab rau muab kev xaiv dav ntawm cov khoom siv hluav taws xob zoo tshaj plaws ntawm tus nqi zoo tshaj. LCSC tau dhau los ua kev tsim kho online ceev tshaj plaws ntawm cov khoom siv hluav taws xob hauv Suav teb.

Kev xeem ntawv yog qhov xwm txheej tseem ceeb hauv ib lub tsev kawm ntawv/Tsev Kawm Qib Siab los sim qhov kev paub ntawm cov koom nrog. Txhawm rau txhawm rau nce qhov nyuaj, qhov tshwm sim ntawm cov neeg koom kuj tseem raug sim nyob rau hauv uas lub sijhawm tshuaj tiv thaiv ntawm cov neeg koom kuj tseem ceeb. Yog li, txhawm rau qhia tus neeg uas tau npaj ua ntej los teb cov lus nug yuav tsum thawb lub buzzer. Nws kuj tseem nyuaj rau tus kws txiav txim lossis tus neeg teeb tsa los txheeb xyuas thawj tus neeg uas thawb lub buzzer ON, txij li cov neeg koom nrog sib tw los teb lo lus nug. Yog li ntawm no peb tau ntxiv ib qho tshwj xeeb uas yog tias ib tus neeg nias lub buzzer thawj zaug tom qab ntawd tag nrho cov neeg koom nrog lub suab nrov tau xiam thiab lub suab nrov yuav tsis hnov dua kom txog rau thaum khawm rov pib dua.

Kauj Ruam 1: Yam Koj Yuav Tsum Tau

  1. 3 x555x
  2. 3 x Tactile Hloov
  3. 1 x BC547 Transistor
  4. 1 x Buzzer
  5. 3 x Liab LED
  6. 3 x Ntsuab LED
  7. 1 x 1N4007 Diode
  8. 4 x 10k Ohm Resistor
  9. 3 x 1k Ohm Resistor
  10. 1 x Breadboard

Kauj ruam 2: Paub Ntau

Muaj 3 qhov kev teeb tsa nrov ntawm 555 timer IC:

  • Astable Multivibrator
  • Monostable Multivibrator
  • Bistable Multivibrator

Cov teeb tsa no muaj qhov sib txawv ntawm cov xeev ruaj khov. Ntawm no hauv txoj haujlwm no, peb yuav siv hom bistable multivibrator hom 555 timer IC. Nws yuav muaj ob lub xeev ruaj khov. Ua ntej, thaum tus neeg koom nrog nias lub pob thiab qhov thib ob yog thaum cov nyees khawm tau rov pib dua los ntawm tus tswv tsev xeem ntawv.

Kauj ruam 3: Mus Ntxiv…

Mus Ntxiv…
Mus Ntxiv…

Peb tau siv peb 555 lub sijhawm ICs hauv kev teeb tsa bistable. Qhov tseem ceeb yog txhua 555 IC yuav muaj lawv tus kheej lub xeev ruaj khov uas tau tswj hwm los ntawm cov nyees khawm cais kom nkag tau los ntawm cov neeg koom. Muaj lwm lub khawm nkaus xwb uas tswj hwm lwm lub xeev ruaj khov ntawm txhua lub sijhawm ICs ib yam uas tau nkag los ntawm tus tswv tsev/tus kws txiav txim plaub ntawm kev xeem ntawv. Lub pob no yuav rov pib dua tag nrho Circuit. Thaum ib qho ntawm cov nyees khawm S1, S2 lossis S3 raug nias, tus lej TRIGGER sib xws tau qis thiab lub sijhawm sib xws nce siab. Thiab LED ntawm tus neeg koom nrog sib tham tig rau thiab buzzer pib beeping.

Kev ua haujlwm yog tias thaum thawj lub xeev ruaj khov ntawm txhua tus neeg ua timer tau teeb tsa, nws ua haujlwm tsis siv sijhawm ntxiv. Qhov no yog vim tias qhov kev xaiv ntsej muag rau pem hauv ntej txuas nrog rau tus pin tso tawm ntawm cov teeb tsa timers tau txais mus rau qhov tsis ncaj ncees ua rau cov khawm txuas ntxiv mus siab. Li no, txawm hais tias lwm lub nyees khawm raug nias tom qab qhov no, tus timer tus lej tus pin pom lub teeb liab nkaus xwb. Li no, cov nyees khawm ua haujlwm tsuas yog tom qab rov pib dua tag nrho cov Circuit. Lub suab nrov tau tswj hwm siv NPN transistor BC547 uas nws lub teeb liab tswj tau yog TRIGGER ib yam uas cov khawm txuas nrog. Tsis tas li, cov nyees khawm tau pib los ntawm sab hauv diode ntawm transistor.

Kauj Ruam 4: Ua haujlwm ntawm Circuit

Kev ua haujlwm ntawm Circuit Court
Kev ua haujlwm ntawm Circuit Court
Kev ua haujlwm ntawm Circuit Court
Kev ua haujlwm ntawm Circuit Court
Kev ua haujlwm ntawm Circuit Court
Kev ua haujlwm ntawm Circuit Court

Tag nrho cov Circuit Court tuaj yeem siv los ntawm 5V lossis 9V roj teeb. Thaum pib, lub Circuit Court nyob rau hauv RESET mob thiab tos TRIGGER teeb liab. Yog li, sai li sai tau thaum tus neeg koom nrog nyem lub pob, lub sijhawm sib xws hloov pauv nws lub xeev thiab cov zis tawm mus siab thiab lub suab nrov nrov los qhia lub pob nyem.

Cov duab saum toj no qhia tias khawm S1 raug nias thiab cov nyees khawm uas seem yuav raug xiam oob khab.

Tam sim no thaum RESET khawm ORG raug nias lub Circuit Court mus rau lub xeev pib thiab rov tos rau TRIGGER tom ntej. RED LED yog txhawm rau qhia tus neeg ua haujlwm txog thawj tus neeg los nyem lub pob.

Cov txheej txheem no tuaj yeem txuas ntxiv mus rau txhua lub sijhawm. Yog tias tsis xav tau lub tswb nrov, BC547 thiab lub suab nrov tuaj yeem raug tshem tawm ntawm Circuit Court.

Txhawm rau ntxiv cov neeg koom nrog hauv Circuit Court koj tsuas yog xav tau cascade ntau dua 555 timer ICs, diode thiab LED.

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