04 | Controlling Multiple LEDs

Light Emitting Diodes (LEDs) are high efficiency lights commonly used in indicators and for illumination. In this tutorial we'll learn how to manually control four LEDs using front panel controls and then modify the code to display the binary representation of a user specified number.



Parts List
Circuit Schematic




  • Open the LINX - Digital Output 1 Channel example from the LabVIEW Example Finder.

  • Select the DO Channel connected to the LED.

  • Run the VI, and click the LED control to toggle the LED on and off.

  • Modify the VI to automatically blink the LED at a specified rate using a boolean constant, shift register, and not primitive.