I finally decide that I had pushed my luck far enough with my battery backed NVRAM in my Tektronix TDS 380 oscilloscope. The specifications for the Dallas Semiconductor DS1644-120 Timekeeping RAM state that it is good for at least 10 years at 25°C, and mine had just turned 28 years old.
Continue reading “Tektronix TDS 380 NVRAM Replacement”HP 3314A Function Generator Repair
I found a great deal on a Hewlett Packard 3314A 20 MHz function generator that was non-functional, but overall looked to be in good shape. It arrived in great condition and was well packed for a nice change. The seller clearly stated the issues with this unit such as errors when started up cold, which worsened over time until it finally lost the display and LED’s.
Continue reading “HP 3314A Function Generator Repair”Power Designs Inc. 5015D power supply cleanup and repair
Repair and cleanup of a Power Designs Inc. 5015D power supply that I purchased on Ebay.
This was one of the better looking 5015D power supplies that I have seen on Ebay, that was not overpriced or included an overpriced shipping charge. The listings condition description said ” fully operational and functions as intended”.
Prusa Mini 3D printer and enclosure Project
Getting my Prusa Mini 3D printer IKEA Lack enclosure setup, and making some minor modifications to the printer.
Continue reading “Prusa Mini 3D printer and enclosure Project”Hewlett Packard HP 403B AC Voltmeter Restoration
Another local Ebay find was this Hewlett Packard HP 403B AC Voltmeter in a protective HP vertical case. The case did an excellent job of protecting the meter over it’s now 48 year life.
Continue reading “Hewlett Packard HP 403B AC Voltmeter Restoration”New electronics workbench build part 2
Finishing up the new electronics workbench build.
Continue reading “New electronics workbench build part 2”
New electronics workbench build
Replacing the old particleboard desktop with a new bamboo countertop and adjustable leg workbench.
I had quickly run out of room for all my test equipment on my original desktop table that I used for electronics work. Leaving me around 1.5 sq/ft of usable area for my projects.
With the winning of an Ebay bid for a vintage Tektronix digital oscilloscope, I was out of room. Continue reading “New electronics workbench build”