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Ever attempted to find a resistor color code with a big chart of a wheely thing, etc? Now all you have to do is type in the desired resistor value (it will even round off for you), then hit go. Up comes a picture with the colors and a confirmation. Enjoy!

Video
[Flash 10 is required to watch video]

Arduino Board 3x3 LED Matrix demo. Random matrix pulses.

Tags: arduino led
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Here is a quick debugging script that reads the inputted number from the serial port, returns it as an int and you can go along without having to do the math or scan the string using a stdlib. Demos included, Enjoy!

Wow. Just use StreamParseInt. This is buggy and messy!

Link

If you’re into electronics or programming, check out my other blog - wiresrock, with updates on electronics, programming, and robotics.

Photo
Arduino LED randomiser (flashes back and forth while switch is held).

Arduino LED randomiser (flashes back and forth while switch is held).

Tags: arduino