IK1ZYW Labs

A colleague has given me two Motorola GSM phones, a d460 and an International 8700 . According to timestamps on the battery packs, they wer...

I am currently troubleshooting the CRT monitor of an Olivetti typewriter that produces composite video at 70 Hz refresh rate. Weird? Indeed....

Over the years I have repaired few devices and never found a RIFA capacitor. Until today when I finally met them in all their smelly glory. ...

I've received a homebuilt oscilloscope from 1950's. Scuola Radio Elettra, an Italan company back then, was very popular and helped m...

Now that my interests are expanding to retrocomputing, I feel the need to read those C64 tapes. Which means that, somewhere, a tape/cassette...

Here they are, on my desk. It started in high-school in the 1990's. These books were a good alternative read for nerds, instead of those...

This Summer we spent 10 days driving around Greece in a rented car. Being high season I looked for cheaper alternatives to the big names. ...

I bought a Fairchild 7050 multimeter because it has slightly larger than usual Nixies. There was no indication of its state, but I could cou...