Mini magnetic Reed module
KY-021 Mini magnetic Reed module
KY-021 Mini magnetic Reed module
Contents 1 Picture ......................................
Description
KY-021 Mini magnetic Reed module
KY-021 Mini magnetic Reed module
Contents 1 Picture ................................................................................................................................................................. 1 2 Technical data / Short description ....................................................................................................................... 1 3 Pinout ................................................................................................................................................................... 2 4 Code example Arduino ......................................................................................................................................... 2 5 Code example Raspberry Pi ................................................................................................................................. 3
Picture
Technical data / Short description
If the sensor is close to a magnetic field, the input pins are connected.
Export: 16.06.2017
Copyright by Joy-IT - Published under CC BY-NC-SA 3.0
Page 86 of 214
KY-021 Mini magnetic Reed module
Pinout
Code example Arduino
This example will activate a LED if the sensorĀ is close to a magnetic field. The modules KY-011, KY-016 or KY-029 can be used as a LED.
int Led = 13 ;// Declaration of the LED output pin. int Sensor = 10; //Declaration of the sensor input pin int val; // Temporary variable void setup () {
pinMode (Led, OUTPUT) ; // Initi...
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