BO CO N VI X LTiu nhm 1:

V Tn Dng 1080963Nguyn Trng An1080838Nguyn Thanh Hng1080973*Ging vin ph trch:

Th.s TRN HU DANH

TI Tn ti: mch iu khin qut t xa dng remote tvMc tiu: iu khin cc chc nng ca qut nh: tt m qut, iu chnh tc qut v hn gi s dng qut.Gii hn: khong cch iu khin ti a t khong 20 n 30m

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PHNG PHP THC HINS dng vk Atmega32 iu khin chnhS dng remote tv pht tn hiu iu khinS dng mt thu hng ngoi 3 chn thu tn hiuS dng triac iu chnh tc S dng led 7 on hin th gi qut tt v tc qut ang hot ng.

S LC V ATMEGA32

PHN TCH H THNG

GII M REMOTE TV SONYPht tn hiu: remote chun RC5

GII M REMOTE TV SONYThu tin hiu:

Kt thc bit starsV bt u 1 bitQu trnh ly muCa 7 bit m lnhThm bit 1 vo bit trng s cao nhtDch phi v mc cao

begin

Kim tra trng thi led thu hng ngoi C xung cnh xung?

end

sai

C xung cnh ln?

ng

i = 7

ng

i > 0

sai

C xung cnh xung?

ng

sai

Delay 900us

ng

Ly mu tn hiu

Tn hiu mc thap?

data = data >> 1data = data|0x80

ng

data = data >> 1

sai

C xung cnh ln?

ng

sai

i = 5

sai

i > 0

C cnh xung?

ng

i--

ng

C cnh ln?

ng

sai

sai

i--

ng

Code_premote = data >>1

sai

end

KHI IU KHIN

KHI CNG SUT

MCH NGUYN L

NHN XT

CM N THY V CC BN QUAN TM

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