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With the many questions about how to wire LED's, here is a great set of diagrams on how to wire LED's. I think this should be stickied as often the quesions are asked.
Notice the load resistor that IS needed. For LED/load resistor information check out THIS SITE. Also notice that the Anode on the LED is connected to positive. The Anode is the LONGER lead.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Similar LED Wiring Diagram
Here's a similar LED wiring diagram showing 4 seperate LED's (NOT connected). Notice the load resistor that IS needed for each LED. For LED/load resistor information check out THIS SITE. Also notice that the Anode on the LED is connected to positive. The Anode is the LONGER lead. NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Multiple LED's Wiring Diagram
Notice that NO load resistor is needed. For LED/load resistor information check out THIS SITE. Also notice the Anode and Cathode connections. The Anode is the LONGER lead. The LEDs MUST be connected in series, NOT in parallel.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
12 LED's Wiring Diagram
Notice that NO load resistor is needed. For LED/load resistor information check out THIS SITE. Also notice the Anode and Cathode connections. The Anode is the LONGER lead. The LEDs MUST be connected in series, NOT in parallel.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Images courtesy of http://www.oznium.com
Notice the load resistor that IS needed. For LED/load resistor information check out THIS SITE. Also notice that the Anode on the LED is connected to positive. The Anode is the LONGER lead.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Similar LED Wiring Diagram
Here's a similar LED wiring diagram showing 4 seperate LED's (NOT connected). Notice the load resistor that IS needed for each LED. For LED/load resistor information check out THIS SITE. Also notice that the Anode on the LED is connected to positive. The Anode is the LONGER lead. NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Multiple LED's Wiring Diagram
Notice that NO load resistor is needed. For LED/load resistor information check out THIS SITE. Also notice the Anode and Cathode connections. The Anode is the LONGER lead. The LEDs MUST be connected in series, NOT in parallel.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
12 LED's Wiring Diagram
Notice that NO load resistor is needed. For LED/load resistor information check out THIS SITE. Also notice the Anode and Cathode connections. The Anode is the LONGER lead. The LEDs MUST be connected in series, NOT in parallel.
NOTE: If using a light up switch connect the 3rd connection on the switch to ground.
Images courtesy of http://www.oznium.com