2015年9月10日 星期四

Using Android cell phone and Arduino + BT to control LED ON/OFF


    This is  a simple example to implement how to use android mobile phone to control LED ON/OFF thru Arduino +BT HC_05.


<Picture 1> This show the circuit design. I used the Arduino Digital Pin D2,D3 as  RX.TX signal.






<Picture2>  Using APP inventor 2 to create android APP .






<Picture 3-1> Belows are App inventor 2 Programming Blocks.

 <Picture3-2> .


  <Picture3-3> .

  <Picture3-4> .


<Picture 4> This picture show the APP was running  on my real Android Mobile Phone(Asus                                ZenPhone 5).


<Picture 5> Arduino codes.

<Picture 6>Show the  3 LED was ON status by Android cell phone control.












The Demo Films:








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