My Commentary and Technical help

 I am working with the MAX30100 and MAX30102 Blood Oxygen SPO2 Detectors trying to get them to work.  First I bought the MAX30100 and then l...

 I am updating the 6DOF Servo Arm project.  The old arm had some issues.  Like the servos at the wrist position jammed on each others limiti...

 A few years back I bought some solar panels at a Hamfest.  I was disappointed to find out that they are only 10 watts each. By todays stand...

 I purchased a Sony BPD-S1500 Blue Ray DVD player because I had accidently bought a Blue-Ray DVD.  After about a year of occasional use, it ...

I am Rebuilding my old 3D Printer with several new improvements.  The parts needed have gone way down in price.  In fact you can get a 3d Pr...

Recently one of the windshield wipers on my HHR stopped moving.  I removed the plastic cover and discovered that the wiper arm had become di...

Many years ago, while visiting a church, I made the mistake of closing my hymnal, because I knew the words to the song by heart.   Far be it...

 I am making the biggest LED sign yet.  It is 4 feet wide by 2 feet tall.  It will feature 72 x 40 Addressable LED's.  That is a total o...

I recently built a BH1417 FM Transmitter Kit found on eBay.  Here is the eBay advertisement: There is another web site with instructions ...

My latest project is to make a thermal camera.  Adafruit has lots of info on the AMG8833 8x8 thermal camera, as well as example software to...

I am working on some Arduino biometric designs perhaps for a new book. So far I have created the two line 1602 LCD display and now the Nokia...