Mini mágneses Reed modul Arduino indítókhoz, kompatibilis KY-021

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Mini Magnetic Reed Module For Arduino Starters Compatible KY-021
 
Disclaimer:
 Reed module and the interface comes with digital 13 LED build a simple circuit to produce a Reed warning lamp 13 comes with digital interfaces of the LED, the Reed sensor access number 3 interface, when Reed sensors Sensed a key signal, LED lights, otherwise off
 
Routines source code: 
int Led = 13 ;// define LED Interface
int buttonpin = 3; // define the Reed sensor interfaces
int val;// define numeric variables val
void setup()
{
pinMode(Led, OUTPUT);// define LED as output interface
pinMode(buttonpin, INPUT);// output interface as defined Reed sensor
}
void loop()
{
val = digitalRead(buttonpin) ;// digital interface will be assigned a value of 3 to read val
if(val == HIGH) // When the Reed sensor detects a signal, LED flashes
{
digitalWrite(Led, HIGH);
}
else
{
digitalWrite(Led, LOW);
}
}
Package Included: 
1pcs X  Mini Magnetic Reed Module