Hi guys, I have a school project which requires me to turn on/off the circuit using bluetooth, is there any sample circuit which I can refer to for this? I am also not sure which bluetooth device to use for my circuit as well.
And advice or recommendation is deeply appreciated.
The HC05 or HC06 Bluetooth devices are frequently used. They are cheap. However I believe they don't work with an Apple phone and you need a different type of device for that.
I used this Instructables tutorial successfully
Have a look at this RemoteXY Thread
...R
Thank you for the reply. Basically, I would need to turn on 3 LEDs using a iPhone or Android phone via bluetooth.
For this case, do I need both Arduino+HC-06/05 for this application?
Is this only application to Android devices only or can it work on iPhone as well?
Cost is a concern on my side as well as the school's budget is tight.
Cheers!
spec07:
as the school's budget is tight.
That simplifies matters by ruling out Apple products 
For this case, do I need both Arduino+HC-06/05 for this application?
I'm not sure what you are asking - what do you mean by "both"
Is this only application to Android devices only or can it work on iPhone as well?
Again, I am unclear. If your question is about RemoteXY I assume you would have got the information from the link I gave you - it is an Android project. But maybe you are asking about another application ?
...R