I came across this little data logger for shipping produce and decide to tear it apart to see how it works.
Cleaning contacts on another eBay find, I get a bit of extra work making a replacement part for the SC502 oscilloscope module from Tektronix
Lighting in my shop is inadequate. Time to fix that with some cheap LED strips.
I teardown a couple of HP6002A 50 volt power supplies to see if I can build one working one out of the two.