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v erif ie s i f t h is n um ber h as t h e a ccess t o c o ntr o l t h e d ev ic e o r n ot.

For c o ntr o lli n g th e d ev ic e s, th e m essa g e w ill b e s e n t in h ex a d ec im al f o rm at. T he h ex
d ata is c o nverte d to th e e q uiv ale n t b in ary a n d th e p arti c u la r o utp ut is e n ab le d . F or e x am ple if
t h e m essa g e is “ A B” th e e q uiv ale n t b in ary is “ 1 010 1011 ” t h is i m plie s t h at t h e o utp ut 1 , 3 , 5 , 7 ,
8 a re e n ab le d a n d th e re m ain in g p orts a re d is a b le d . W e h av e c o nnec te d L E D s to th e p orts o f
m ic ro co ntr o lle r to s h ow th e o utp ut a n d th eir s ta tu s in dic ate s w heth er th e p o rts a re s e t to ‘ O N’
o r ‘ O FF’. T he m ic ro co ntr o lle r is a ls o p ro gra m med to r e a d th e t e m pera tu re f ro m th e th erm is to r
e v ery 1 5 m in ute s a n d t o s e n d a S M S t o t h e d estin ati o n n um ber.


D B9 C onnecto r
M AX 2 32
G M 28
(G SM M odem w it h
S IM c ard w ork in g i n
8 5 0 M Hz / 1 9 00 H z)
D B9 C onnecto r
R en esa s S K P16C 62P
S ta rte r K it P lu s

D ev ic e 2
D ev ic e 1
D ev ic e 8
Co m pu te r
(F or d is p la y in g
t h e r e ceiv ed S M S)

A nte n n a



      

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


3 . D ev ic e D esc rip tio n

3.1 . R en esa s S K P16C 62P S ta rte r K it P lu s

T he SK P16 C 62 P Sta rte rK it Plu s (S K P) is a lo