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1 2. S nap sh ots f ro m P ro je ct
1 2.1 S nap sh ots f ro m h yp er- te rm in al- - ----- ------ ---- --- --- -- -- --- --- --- - -- ---- -- -- --- ---2 5
1 2.2 P ho to s o f c o m ple te p ro je c t s e tu p------ ---- ---- --- --- --- ---- --- ---- -- ---- ---- --- --- -2 6
1 3. O bse rv atio ns--- -- ---- ----- ---- -- ---- ---- --- --- --- --- ---- ---- --- --- -- -- --- --- ---- -- --- --- - - -- ---2 7
1 4. P re c au tio ns--------- --- ---- ---- --- --- ---- --- --- ---- -- -- -- ---- --- --- ---- -- ---- ---- -- --- - ---- --- --2 7
1 5. C onclu sio ns----- ---- -- ---- ---- --- --- ---- --- --- ---- ------ ---- --- --- -- -- --- --- ---- -- --- ----- --- ---2 7
1 6. R efe re n ce s----- -- --- -- ---- ---- -- ---- ---- --- --- ---- -- ---- ---- --- --- -- -- --- --- ---- -- --- ----- --- ---2 8



      

  
Em bed ded P ro je ct- E C E 5 101 Pag e 3

S M S R EM OTE C O NTR O LLE R


1. A bstr a ct

The g o al o f th is p ro je ct is to d esig n a n e m bed ded d ev ic e w hic h c a n c o n tr o l u p to 8
d ev ic e s b y s e n din g a s p ecif ic S M S m essa g e fro m a c ell - p hone. T his c o n tr o lle r is e x tr e m ely
h an dy a t p la ce s w here w e h av e to c o ntr o l th e O N a n d O FF s w itc h in g o f th e d ev ic e s b ut n o
w ir e d c o nnec ti o n t o t h at p la ce i s a v aila b le .
T o im ple m en t th is , a G SM m odem is co nnecte d to a p ro gra m med m ic ro co ntr o lle r
w hic h w ould re ceiv e th e S M S fro m a re fe re n ce c ell p h one. T he c o ntr o l sig n al p art o f th e
r e c eiv ed S M S is ex tr a c te d an d is ch an ged to m ic ro co ntr o ll e r-p re fe rre d fo rm at. In re g u la r
i n te rv als , th e m odem w ou ld a ls o s e n d th e lo ca l te m pera tu re W e h av e s e le cte d G SM b eca u se
t h e u biq uity o f it s s ta n dard m ak es in te rn atio nal r o am in g v