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Mundarija:
- 1 -qadam: materiallar ro'yxati
- 2 -qadam: sxematik
- 3-qadam: 7-segmentli LED displeyni o'rnating
- 4 -qadam: 470 Ohmli rezistorlarni o'rnating
- 5 -qadam: 8 pinli rozetkani joylashtiring
- 6 -qadam: Kondensator va 10 K rezistorni o'rnatish
- 7 -qadam: 5 K potentsiometrni o'rnating
- 8 -qadam: Batareya tutqichini o'rnating
- 9 -qadam: Loyihani yakunlash
2025 Muallif: John Day | [email protected]. Oxirgi o'zgartirilgan: 2025-01-23 15:14
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2.75 dyuymli 7-9 segmentli LED displey hisoblagichi 0-9-bu 6 sm kuchlanishli 7 segmentli LED displeyni to'g'ri ishlatish uchun cmos texnologiyasiga asoslangan loyiha. IC 4026 hisoblagichi tanlangan amaliy hisoblagich dekodersiz va IC yordamida ishlaydi. 555 taymer: loyihani yakunlash mumkin.
1 -qadam: materiallar ro'yxati
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1 2.75 Umumiy katodli 7-segmentli LED displey
2 I C 4026 hisoblagichi
3 I C 555 taymer
4 16 pinli soket
5 8 pinli soket
6 9 sm x 15 sm tenglikni
7 elektrolitik kondansatör 47 u F
8 10 K qarshilik
9 5 K potansiyometr
10 7 x 470 Ohm qarshilik
11 9 V Batareya uzilishi
12 9 V batareya
2 -qadam: sxematik
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Loyihani hech qanday muammosiz bajarishingiz uchun uning sxematik sxemasi muhim ahamiyatga ega.
3-qadam: 7-segmentli LED displeyni o'rnating
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LED displeyni o'rnatayotganda, siz 16 ta pinli rozetkani PCBga kiritishingiz mumkin.
4 -qadam: 470 Ohmli rezistorlarni o'rnating
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LED displey va IC4026 o'rtasida 470 Ohmli rezistorlarni o'rnating.
5 -qadam: 8 pinli rozetkani joylashtiring
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PCB-ga 8-pinli rozetkani o'rnatayotganda, siz ham umumiy katodli ko'rsatgich pinini IC 4026-dan V (-) pinlariga ulashingiz mumkin.
6 -qadam: Kondensator va 10 K rezistorni o'rnatish
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Kondensator va 10 K rezistorni o'rnatayotganda, manfiy terminalni kondansatordan IC555 taymerining 1 -piniga va IC4026 -dan 2 -pinga ulab, kontaktlarning zanglashiga olib kelishi mumkin. Keyin, siz musbat terminalni kondansatordan IC555 taymerining 2 -piniga va 6 -piniga ulashingiz mumkin. IC taymerining 6 -pinida rezistorning boshqa terminalini bo'sh qoldirish uchun 10K rezistorli terminalga ulaning.
7 -qadam: 5 K potentsiometrni o'rnating
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5 K potni o'rnatayotganda va IC 555 taymeriga ulanishni o'rnatayotganda, siz kutayotgan terminalni 10 K rezistordan xuddi shu ICning 7 -piniga ulashingiz mumkin. Ushbu bosqichda siz umumiy musbatni sxemadan to'ldirishingiz mumkin.
8 -qadam: Batareya tutqichini o'rnating
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Batareyani o'rnatish uchun siz umumiy musbat va manfiy terminallarni olib, ularni mos ravishda qizil va qora simlarga ulashingiz kerak.
9 -qadam: Loyihani yakunlash
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Loyihani yakunlash uchun har bir integral mikrosxemani rozetkaga, batareyani esa batareykaga joylashtiring.
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