effluvia of a scattered mind

Firefox has a cool extension called pyxpcomext that sticks a Python interpreter inside your browser! But as is it is pretty hard to use unl...

I did not populate my Lightuino LED board with excessive LEDs. In retrospect, that is kind of ironic. But the board is made for you to put...

From references In designing the Lightuino I wanted to improve on my existing CCShield in several ways and provide an alternative to the Rai...

The CCShield board was pretty successful and I had a lot of fun with it, so I decided to do another run. I wanted to attempt some surface m...

I am working on an outdoor LED coffee table. The idea is for it to charge up all day long and then to drive a bunch of LEDs (blinking in co...

I am thinking about doing a quadruple whammy Arduino board: Atmel Mega 640 + CPLD + wireless + MicroSD card. For those of you who are unfami...

One aspect of the philosophy of GPL is to contribute back to the community. However, as we all know in the GPL license the only way to cont...

Here is an example Arduino sketch to drive a stepper motor using the L298 chip. The actual driver is the "StepperL298N" class, an...

I am not a GUI designer by trade, but I have done some GUI design both of web applications and normal GUIs. And I'd like to both rant a...

I designed an Arduino shield to provide a lot of outputs using very few pins on the Arduino... it uses 2 M5451 35 segment LED display driver...