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Interface Switch With ARM7

Description

The switch is a component that connects two points in a circuit when you press it.

LED turns on when you press the button.

Hardware Required

  • Push Button.
  • LPC21xx MicroController.

Circuit

Code

 #include <LPC21xx.H>
 void delay()
 {
 int i;
 for(i=0;i<10000;i++);
 }
 int main()
 {
 IO0DIR=0XFFFFFFFF;
 IO1DIR=0XFFFEFFFF;
 while(1)
 {
 if(IO1PIN &(1<<16))
 {
 IO0PIN=0XFFFFFFFF;
 }
 else
 {
 IO0PIN=0XFFFFFFF0;
 }
 }
 }
   

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