My Commentary and Technical help

I DID IT!  I not only got the six channel logic analyzer to work, but I have also succeeded in breaking the 2 million samples per second lim...

My two channel logic analizer works very well, the video is even on youTube.  Here is a link to it: http://www.youtube.com/watch?v=lrrpdXiO8...

Update: "Arduino LCD Projects" is now on Amazon, eBay and CreateSpace.  Here is a cover shot: My Arduino LCD Projects book i...

I decided to saw off the three Green LED arrays.  To my surprise, I lost three columns of the red Arrays as well as clock and data.  To get ...

I have finally made the sign work! It takes a slight trick in the code to send the serial bit to the 4015's for the rows.  It is "...

A lot of people have requested that I write a dual color scrolling program for the Cadaces modules.  Well I have done that!  I have also rev...

I am playing with the Silent Radio LED sign once again.   There are two problems to fix, the brightness and the scrolling.   See a Su...

They are advertising this sign as "10 - LED 8x8 5mm Dot Matrix Array Module Common Anode Red & Green 60mm".  The sign has a tw...

Recently I had the fun of removing the hard drive from a Dell Inspiron Ultrabook 14Z.  The hard drive is located under the battery.  Where i...

Recently while working on a website, I noticed that some words were being underlined.  I did not make them links so I scrolled over the word...

I have been working on a new book called "Arduino LED Projects".  Now I am looking for a publisher.  It has a dozen projects from ...

I have not given up on the idea of using an Arduino to power a 120 by 32 LED sign.  In fact I have it working, but the Arduino is still not ...

Some people asked me for a simpler way to interface the Cadaces modules to an Arduino, so here it is! All you need to do this i...

I have become a fan of the Dell Inspiron 1501 and 1503 laptops. I first fixed up one for a friend. Then someone gave me one for free. I c...

I have written some code to work with the small 8 by 10 LED array boards made by Cadaces/Signature Electronic signs.  Here is a picture of o...

A while back I rebuilt a Dunlap-Clark amplifier using some TDA7294 modules.  I was disappointed with the anemic results of about 150 watts p...

I have obtained several dual color Cadaces modules. I will be selling them on eBay soon. Here is a sign in red: Here it is again this ti...