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Project Notes

#003 LedChaser

Blinks a series of 12 LEDs in a continuous loop.

The Build


There seems to a general mis-conception that resistors should be connected to the anode of a LED: not true.

This circuit simplifies things with a single resistor (1k is about right for the LEDs I used) on the common cathode part of the circuit. That’s fine in this case because we’re only going to have one LED on at any time.

The Breadboard Schematic

Credits and References

About LEAP#3 LEDArduino
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This page is a web-friendly rendering of my project notes shared in the LEAP GitHub repository.

LEAP is my personal collection of electronics projects, usually involving an Arduino or other microprocessor in one way or another. Some are full-blown projects, while many are trivial breadboard experiments, intended to learn and explore something interesting (IMHO!).

The projects are usually inspired by things found wild on the net, or ideas from the sources such as:

Feel free to borrow liberally, and if you spot any issues do let me know. See the individual projects for credits where due. There are even now a few projects contributed by others - send your own over in a pull request if you would also like to add to this collection.