Making & Using BlueSCSI SD Card Adapters for Vintage Apple Macintosh Computers

I recently picked up my first compact Apple Macintoshes, a 1991 Mac Classic and a 1992 Mac Classic II, both of which were in good condition but needed repair and refurbishment. Aside from the classic issues of leaky electrolytic capacitors and exploding PRAM batteries, compact Macintoshes often have old-school 40MB/80MB Quantum SCSI 3.5″ mechanical hardContinue reading “Making & Using BlueSCSI SD Card Adapters for Vintage Apple Macintosh Computers”

Making an Audio Input Adapter Cable for a 1950s Vacuum Tube Radio

I recently fixed up my first vacuum tube radio, a 1956 Philips 353A, which now works well and sounds fantastic and is set up in our front room. The AM/FM signal reception in our house is relatively poor, however, and I noticed that this radio has a “Gramophone Pick-Up” input, which is basically just anContinue reading “Making an Audio Input Adapter Cable for a 1950s Vacuum Tube Radio”

IEC64W IEEE-488 Parallel Interface Adapters for the Commodore 64 & 128

I recently repaired and restored a 1983 Commodore 2031-LP 5.25″ floppy drive, which is unusual in that it uses the came IEEE-488 parallel interface as the earlier Commodore PET series of computers (GPIB connector), as opposed to the IEC serial interface used by the later Commodore 8-bit series of computers (DIN connector). This made testingContinue reading “IEC64W IEEE-488 Parallel Interface Adapters for the Commodore 64 & 128”

Building a Dim-Bulb Tester for Vintage Radios & TVs

I recently bought my first ever vacuum tube radio, a 1956 Philips 353A AM/FM set, which is by far the oldest item in my collection. I’ve been wanting to get into vintage radio restoration for some time now (after watching YouTube channels such as the excellent Mr Carlson’s Lab), as I find the electronics fascinating.Continue reading “Building a Dim-Bulb Tester for Vintage Radios & TVs”