My Commentary and Technical help

I have removed the wall between the dining room and kitchen.  This creates an open concept, making the living room and kitchen seem bigger. ...

After about 2 weeks of trying I finally got a parallel interface LCD to work in Python.  I converted the code from C for the Arduino.  It di...

The 2016 Chaffee Hamfest was last weekend.  It was supposed to rain so we used the pavilions.  It was a little too windy for my books so I k...

The Raspberry Pi Zero was supposed to be a $5 single board computer.  However they were quickly bought up and resold for $25 or more.  With ...

Over the holiday weekend I finished up writing my code for this 2.8 inch LCD.  It can now do bmp graphics as well as text and even large tex...

I have written six books on the Arduino, but only one on the Raspberry Pi.  Now I am working on a second Raspberry Pi book called, "Ras...

First of all I must say that I am not a doctor nor do I play one on TV.  But the doctors have sure seen a lot of me.  If you are sick see a ...

Our Dodge Stratus is nearing the end of its useful life.  It has over 150,000 miles on it.  The exhaust is held together with clothes hanger...

I have preferred Sony cameras for years.  I once saw a Sony camera that produced a picture that was much better than what I could see with m...

Someone dropped a fairly new LG Optimus Fuel phone into the tub.  I had to tear it apart.  It was really amazing how easy it was to take apa...

I am making a servo based tyrannosaurus modeled after my wooden version.  Here is a picture of the two of them side by side.  The biggest di...

I had problems with weak servos on my 13-17 DOF humanoid robots.  So I am rebuilding them with better servos (MG-958's) and with better ...

I spent some time fixing Dell 2300MP projectors for Africa once again. As usual I replaced the 22 uF at 50 volt capacitors (see previous pos...

Someone gave me a 40 inch TV that they found in the garbage.  It actually worked at first but after about 15 minutes the picture started jum...

Over the weekend I finally got around to repairing this Ramsa Mixer.  The symptoms included that the solo light was on in one place and not ...

There are many robot kits on eBay.  They all lack a "head".  So to get ahead you need to make your own.  I used a "Make your...

Its time for an update on the spider robot.  So far I have repaired the sensor shield twice, replaced the power cable and now replaced two o...

Over the weekend I found and fixed the design bug that prevents servos from working properly when they are connected to the analog port conn...