My Commentary and Technical help

I have taken a iRobot Roomba vacuum cleaner apart and made an Arduino Powered robot out of it.  There is a serial port on the Roomba, but mi...

I have been working on rebuilding a Robo Raptor to be controlled by an Arduino.  It is a key project in my latest book "Arduino Robotic...

I recently had a Toshiba L645 come in for a power jack replacement and a fan cleaning.  The power jack comes as a cable assembly that has...

I recently obtained an 8 by 8 three color RGB LED array to play with.  I set it up with three 74595 shift registers and an arduino.  It was ...

We recently had an application where we needed to remotely switch between two RF amplifiers.  I used Google and searched to find a solution...

A brief history of health insurance – or why some of us knew that obamacare would be a flop. **This is my personal opinion and is full o...

Radio Frequency FAQ’s I now work for a company called ComProd Communications.  You can find us at www.comprodcom.com    We specialize in...

Replacing the stove vent hood should be an easy thing to do.  However I wanted it to vent inside in the winter and then vent outside in the ...

My wife's Dodge Stratus developed a second heat control problem.  The heater fan only worked on high.  This has happened to me before on...

The heat stopped working in my van this spring.  That was not a serious problem for most of the summer.  Fall is here and naturally I had to...

I recently purchased a function/signal generator on eBay.  I bought it because my computer based signal generator was limited to a top frequ...

A few years ago I purchased a bunch of projectors and sent them over to pastors in Africa.  Recently a pastor has been asking me for some mo...

I was tempted to call this the 1400 amplifier repair from hell.  It needed more repairs than any other amplifier that I have fixed in the pa...

   If you have read any of my books and liked them PLEASE go to Amazon and give it a positive review.  So far most of my books only have one...

I looked on the "Truth or fiction" web site and cannot find anythig on this, so I thought I would give my opinion here. IT IS PU...

During the last two weekends I have spent some time back up at Elim installing a new alarm system.  It is the first addressable alarm system...

I rarely endorse things, and I do not get a penny for endorsing things when I do. Recently I need to de-solder some transistors.  They wer...

Today I attended the Batavia NY Hamfest.  It is actually located at the Alexander Firemen Grounds on 98 south of Batavia.  To be honest it m...

Back on June 11 I went to the Chaffee NY Hamfest.  It was only the second time that I have been there.  I just today discovered that I have ...

I recently had a Gateway MS2274 laptop come in for repairs.  It was totally dead.  The hinges were in rough shape and some screws were missi...

It is easier for me to add another part to the previous post, than to edit that one because if I do blogger will totally trash my code.  Som...

This Arduino powered 5 Million samples per second oscilloscope uses an external CA3306 analog to digital converter.  the Ca3306 produces les...