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I will show what you can do with Bluetooth
with few components
with this bluetooth...
with this adapter
and this microcontroller
This bluetooth cost approximately 10 euro
is the most expensive component of this application
microcontroller which cost around 3 euro
adapter which cost around 3 euro
but you can use any source that gives the 5v and 3.3v
but it is recommended this adapter
and this is a triac for applications with 220v
and now to begin...
So start
at first open the TV
I am here ... menu
now open tv
tv is open
now change channels
...56...
...57...
change channels
and now close tv
close tv
close tv ... and
open dvd
DVD is there
He opens
already started to sing
afterwards close the DVD
so
here's a light organ and a play of lights
and now close light
and now change
with phone only
Now we close both
now open light
so only with phone
Now the most important for me
is the the entrance door
with this RFID module
it may be open
opens from the inside
but can be opened from the outside
but most importantly is ...
can be opened with phone
door is open
close again
open again...
That's all I did with bluetooth
and now how is the price?
on the internet there are many applications with arduino
but my version is the the cheapest
This microcontroller is a kind of computer
is programmed by me with programs made by me
very small programs
and this bluetooth for command
and for infrared parts...
here is all instalation
I will show afterwards
soon I will do some tutorials on this subject
in this mode you can make an infinity phone applications