Foto senzor
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ne bih želio imati relej jer bi ih trebao imati osam, hoću što jednostavnije
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mislim da sam riješio, daj mi reci koliki veliki otpornik stavim na bazu tranzistora da on ne provodi, tako da kada stavim u paralelu senzor onda će se otpor smanjiti, a tranzistor će provoditi.
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nikakav.
jednostavno napravis razdelnik napona gde ti je jedan otpornik foto otpornik. znaci ako hoces da ti tranzistor vodi kada jesenzor osvetljen, onda stavis foto otpornik izmedju plusa i baze, i jedan otpornik od baze do mase. pomocu tog dole otpornika regulises osetljivost, a mozes i ubaciti trimer od 100K, pa podesavati...
jednostavno napravis razdelnik napona gde ti je jedan otpornik foto otpornik. znaci ako hoces da ti tranzistor vodi kada jesenzor osvetljen, onda stavis foto otpornik izmedju plusa i baze, i jedan otpornik od baze do mase. pomocu tog dole otpornika regulises osetljivost, a mozes i ubaciti trimer od 100K, pa podesavati...
ahhha
tada reguliram napon na bazi, a ne kako sam ja mislio regulirati struju, sad ću probati
tada reguliram napon na bazi, a ne kako sam ja mislio regulirati struju, sad ću probati
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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Idem ispočetka:
Imam one IR diodu i senzor u jednom, ima tri nožice.
Nakon što spojim dva izvoda za diodu, spajam treći izvod s:
- minusom: napon neosvjetljenog senzora je 3, a osvjetljenog 1,5 V
- plusom: prvo 13,5 drugo 14,5
mislim da se taj treći izvod kratko spaja s minusom i mislim koristiti pnp, to sam sve probao ali uvijek, baš uvijek mi tran provodi
Imam one IR diodu i senzor u jednom, ima tri nožice.
Nakon što spojim dva izvoda za diodu, spajam treći izvod s:
- minusom: napon neosvjetljenog senzora je 3, a osvjetljenog 1,5 V
- plusom: prvo 13,5 drugo 14,5
mislim da se taj treći izvod kratko spaja s minusom i mislim koristiti pnp, to sam sve probao ali uvijek, baš uvijek mi tran provodi
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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mislim da je isti princip rada kao ovaj ali mi nikako ne ide u glavu zašto moj ima tri nožice, a ovaj .....
http://www.vishay.com/docs/83752/tcrt1000.pdf
http://www.vishay.com/docs/83752/tcrt1000.pdf
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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pretpostavljam da imaju zajedničke mase, ali niti u jednom spoju ne daju tražene rezultatu, a dok mjerim otpor ispisuje mi 0.000 Mohm ???
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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mislio sam sklopka bez otpora
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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evo našao sam ovoga ali nisam dobro skužio da li ovaj ima i led IR diodu u sebi ili samo senzor, ovaj ima tri izvoda
http://www.omron247.com/doc/pdfcatal.ns ... 010902.pdf
http://www.omron247.com/doc/pdfcatal.ns ... 010902.pdf
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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-
Shenda
šta taj tran nikada nije u zapiranju ili kako se ono kaže, da mi je otpor između e-c jednak nuli ili jako mali
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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IR ledica radi to sam provjerio s mobitelom, ali kao da onaj tran ne radi, skoro da i nema promjene u otporu, samo se mjenja napon ???
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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ništa, ipak sam kupio cny 70, ne kužim ali kako mogu biti u elmatisu skoro 100 % skuplji nego u chipoteki.
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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evo stvorio se novi problem, cny 70 daje otpor kroz tran oko 1K, zašto ne daje barem oko 100 ohm ili manje kao normalan tran, jer mi za LPT port treba max 500 ohm
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I like software and hardware
My hobbies are PHP programmering, PCB creating and C++ 3D progrmming
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