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Mundarija:
2025 Muallif: John Day | [email protected]. Oxirgi o'zgartirilgan: 2025-01-23 15:14
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Mana mening birinchi juda kichik * virtual * aylanadigan LED chiroq. Va mening birinchi o'rgatuvchim! U 4 x 0603 SMD LED -laridan qurilgan. Ularga faqat 2, 5 mm bo'lgan xona kerak3. Qaytish nurini yanada aniqroq qilish uchun men PIC12F629 dasturini yozdim. U har bir LEDni PWM signali bilan boshqaradi. Videodagi "virtual" aylanuvchi effektga qarang … Balki keyingi safar men uni 0402 LED bilan sinab ko'raman;-) Bu loyihaning g'oyasi kichik (1:87) politsiya, o't o'chirish yoki tez tibbiy yordam mashinasi uchun haqiqiy ko'rinadigan aylanadigan mayoq yasashdir.. Odatda ular faqat bitta miltillovchi LEDni ishlatadilar. (Quyidagi havoladagi misollar men tomonidan tuzilmagan! RC Feuerwehrfahrzeug 1:87 da) Va endi mening qismimga o'tamiz …;-)
1 -qadam: Kichkina ishchi dastgoh qiling
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Bizga taxminan 2,5 mm bo'lgan kvadrat teshik kerak. Men 4 ta eski SMD chiplarini ishlataman va ularni tenglikka lehimlayman.
Avval siz faqat bitta pinni lehimlashingiz kerak. Keyin chipni to'g'ri holatda egib, chipni tuzatish uchun bir yoki boshqa pimlarga lehimlang. 4 ta chipning markazida tenglikni bir teshigi borligiga ishonch hosil qiling. Bizga keyin bu teshik kerak!
2 -qadam: LEDlarni joylashtiring
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Endi 4 ta SMD LEDni (o'lchami 0603) 4 ta chipga joylashtiring.
Har bir LEDning anodi yuqori tomonda ekanligiga ishonch hosil qiling! LEDlar orasidagi izolyatsiya uchun 3 ta kichik qog'ozni kesib oling. (Siz ularni rasmda ko'rishingiz mumkin) Qog'oz o'lchami: - 1 x 2 mm x 2 mm - 2 x 2 mm x 1 mm
3 -qadam: Birinchi simni lehimlang
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Endi bu erda qiyin qismlardan biri bor.;-)
Juda nozik izolyatsiya qilingan mis simdan foydalaning. Taxminan 3 mm izolyatsiyani olib tashlang. Birinchi rasmda ko'rsatilgandek kichik halqani buking. Simni 4 ta SMD LEDning o'rtasiga qo'ying va halqani ustiga qo'ying. (Kechirasiz, lehimdan oldin rasm yo'q.) Tez va ehtiyotkorlik bilan lehimlang, barcha 4 LED va simli halqa. (ikkinchi rasm) Endi siz "kichik dastgoh" dan 4 ta LEDni olib tashlashingiz mumkin. (uchinchi rasm)
4 -qadam: 4 katodni lehimlang
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Endi 4 ta LEDni teskari qilib "ishchi stolga" qo'ying.
Barcha 4 katodni 4 ta LEDdan 4 ta simga lehimlang. Agar siz juda murakkab qismni tugatgan bo'lsangiz, siz 5 ta kontaktli ko'p LEDga aylanasiz. 1 anod va 4 katod.
5 -qadam: PWM yoki PWM emas, bu savol
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PWM boshqariladigan versiya oddiy yoqish/o'chirishdan ko'ra ancha realroq ko'rinadi … Mening holatimda men PIC 12F629 bilan 4 kanalli 8 bitli PWM signal generatorini quraman. Agar sizda PIC, Atmel yoki boshqa protsessor bo'lmasa yoki dasturchi bo'lmasa yoki kerakli ko'nikmaga ega bo'lmasangiz, menga PWM kerak emas deb ayta olasiz. Keyin 4017 CMOS o'nlik hisoblagichdan 4 bosqichli oson hisoblagichni qurishingiz mumkin. 555 osilator bilan boshqariladi. Kelgusi ishlar: LEDlar uchun qandaydir korpus qurish. Men 3 mm LED haqida o'ylayman. Men ulardan ikkitasini ko'k rangli LEDlar bilan yasashim va kichik politsiya mashinasiga joylashtirishim kerak (1:87). Mening asosiy ingliz tilimni o'qiganingiz va rohatlanayotganingiz uchun tashakkur.;-) Agar siz o'zingiz "SMD LED aylanuvchi mayoq" ni qursangiz, iltimos, menga uning rasmini ko'rsating. WattSekunde haqida g'amxo'rlik qiling
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