Blogroll
-
Recent Posts
Archives
- April 2020
- July 2018
- June 2018
- May 2018
- December 2017
- September 2017
- August 2017
- February 2017
- June 2016
- May 2015
- April 2015
- March 2015
- December 2014
- October 2014
- September 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- April 2011
- March 2011
- February 2011
- January 2011
- December 2010
- November 2010
- October 2010
- September 2010
- August 2010
- July 2010
- June 2010
Meta
Tag Archives: led
Multi-mode pen light: ATTiny85 with RGB LED
This is a bread board prototype of a multi-mode pen light. It shines white, red, green, and blue light. Intensity is adjustable. Strobe, emergency flasher, ‘psychedelic,’ and candle simulation functions. It’s powered by a USB phone battery charger pack and … Continue reading
Beyond the Blink: RGB LED multiple lighting effects with arduino, push button, and potentiometer
Ever want to do more with an LED than just blink? This circuit and source code demonstrates some creative possibilities for lighting effects with an RGB LED. CC has descriptive subtitles. Sorry for the poor phone video quality. Here’s a … Continue reading
How not to blow up your LEDs
The above is what happened to an LED that was connected to a 9 volt battery without a current-limiting resistor in series. It exploded like a firecracker and the moral of the story is, WEAR EYE PROTECTION. The lesson of … Continue reading
PC to Arduino to LED Control, Source Code
Due to popular demand, here is the source code for my blog entry, “PC to Arduino to LED Control.” First the Processing Source code: // ButtonProc // Make a button on the screen that can be clicked // and cause an LED to turn on and off in synch on // the Arduino. Used in conjunction with ButtonArd. // import processing.serial.*; Serial myPort; // Create object from Serial class int val; // … Continue reading
Bottle Cap Buzzy Glow Toy
Take a plastic bottle cap and make it buzz and glow. Flip it over and here’s the internals: The bottle cap I have in mind is the plastic one that comes on top of one-gallon water jugs. The 3 volt … Continue reading
Posted in Uncategorized
Tagged bottle cap, diy, led, motor, product design, sketchup, toy
Leave a comment
PC to Arduino to LED Control
As I’ve mentioned in previous posts (like the slideshow here), I want to build a teleoperated mining robot. Since I’m somewhat short of both cash and experience, I have to start small. One key part of the system will be … Continue reading
Posted in Uncategorized
Tagged arduino, diy, led, leds, microcontroller, processing, processing computer language, robotics, sketchup
8 Comments
