Visually Inspect LEDs

How does an LED work? Before testing the near infrared (IR) and red LEDs, make 3 sketches of each from the top and two views from the side (perpendicular to each other). What are the differences and similarities between the two LEDs?

IR LED

 

 

 

Top

 

 

 

 

Side 1

 

 

 

 

Side 2

Red LED

 

 

 

Top

 

 

 

 

Side 1

 

 

 

 

Side 2

Materials

  • Red LED
  • Near Infrared (IR) LED

Next: Lighting LEDs

Back to Light Detection Investigations

Parts of an LED.