My Commentary and Technical help

I was given a Dynex 37 inch LCD TV to repair or sell parts out of.  The first most obvious problem is the power supply needed two new 1000 u...

I am rebuilding the humanoid robot from a few years back, but this time it has a Raspberry Pi controlling it via a PCA9685 controller. H...

Has anyone ever tried taking two LCD screens, placing them one over the other and using a common backlight to make a 3D TV?  Since every TV ...

I have been building a 6 DOF Robotic arm by reverse engineering the ones found on eBay.  The only new part is the lazy Susan at the base.  T...

I recently purchased a 5 DOF metal humanoid robot hand.  It comes with instructions but they are written in translated English.  Also some...

I recently had to replace the power switch in a Shure wireless microphone.  If your microphone will not turn on, try replacing the switch.  ...

I have been rebuilding my CNC with T Slot aluminum and Fully Supported Linear Rails.  Now I am testing it with a Laser to see its accuracy. ...

The 2018 Lancaster NY Hamfest is over.  It might be the last one for me this year unless I go to the one in Elmira NY. This is my display....

 I recently replaced the lattice in my carport with the heavy plastic.  The panels are called "26 in. x 8 ft. Polycarbonate Roofing Pan...

My HHR started sounding more like a tractor.  I could not see the problem but I could feel the heat coming from this joint.  As you can see ...

2017 Projector brightness ratings in Lux. (See previous post) Epson EMP-S1     Rated: 1200 lumens     Tested: 460 Lux Pyle PRJD907      R...

I am rebuilding my CNC with T slot aluminum extrusions, fully supported linear rails and a smaller Z axis.  My book "Inexpensive CNC Pr...