Arduino KY-034 Automatic flashing colorful LED module

7 color flashing LED module automatically

Buy the 37 in 1 kit at Amazon

7 color flashing LED module automatically uses 5mm round high-brightness light-emitting diode which has the following characteristics:

Specifications

  • Product Type: LED
  • Product Model: YB-3120B4PnYG-PM
  • Shape: Round LED 5mm DIP type
  • Color: pink yellow green (high brightness)
  • Lens type: white mist
  • Standard Forward Voltage :3.0-4 .5 V

Example Code

/*
Blink
Turns on an LED on for two second, then off for two second, repeatedly.
This example code is in the public domain.
*/
 
void setup () {
  // Initialize the digital pin as an output.
  // Pin 13 has an LED connected on most Arduino boards:
  pinMode (13, OUTPUT);
}
void loop () {
  digitalWrite (13, HIGH); // set the LED on
  delay (2000); // wait for a second
  digitalWrite (13, LOW); // set the LED off
  delay (2000); // wait for a second
}