High-Power Blinking LED

Step #1: Materials

1: PCB; 2: Solder; 3: White LEDs; 4: Wire; 5: 10kΩ resistor; 6: Switch (it can be a momentary switch); 7: Battery holder for 4 AA batteries; 8: 10μF Electrolytic capacitor; 9: 555 timer (NE 555).

Step #2: Tools

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1: Wire clippers; 2: Soldering iron or gun; 3: Hot-glue gun; 4: Knife for stripping insulation from wire.

Step #3: Schematic

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Solder all parts together on a small PCB according to the diagram at left.
By changing the value of R1 you can change the speed of the LED's blinking. You can also add a 10kΩ potentiometer trimmer instead of R1.

Step #4: Finished project

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Here is a video of this project on YouTube.

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Steps

Step #1: Materials

Step #2: Tools

Step #3: Schematic

Step #4: Finished project

Simon

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High-Power Blinking LED

Steps

Step #1: Materials

Step #2: Tools

Step #3: Schematic

Step #4: Finished project

Simon

Maker Faire Bay Area

World Maker Faire New York

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