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- New method for measuring lots of resistors using very few wires – part 3 – a simple measurement device
- Davids bile giveaway – Subscription? No, thanks.
- New method for measuring lots of resistors using very few wires – part 2 – Theory
- New method for measuring lots of resistors using very few wires – part 1 – Theory + intro
- GPIO abuse – sourcing and measuring at the same time
- Overdetermined system of linear equations
- Repair/teardown – FlexiScale weight and calculator scale
- L110 METRA Blansko resistance decade box
- Circuit Cellar publication – a new method for measuring resistors!
- HP 9000 Superdome utilities board ( A6475-60201 ; UGUY5-500 ) high res scan + guesswork
Category Archives: Vintage tech
My second scope was the wonderful Tektronix 455 – a great analog scope with lots of great features – about 100 times better than my first Soviet C112 scope. Reasons: I had to sell it to buy my current digital … Continue reading
The C1-112 oscilloscope: A simple soviet scope. AFAIK it is a copy of a french scope. I have the manual. The schematics part is available for download. It is very large, namely 10MB. So be careful when you decide to … Continue reading
I got this device from my school, from a friend. It looked interesting and I needed (OK, maybe not needed, but was very interested) to know what it actually was. So, here’s the thing: write into the guestbook what you … Continue reading
I like cool stuff. I can’t resist exotic electronic vintage parts, and what’s more exotic than a programmer for a military rocket? On my frequent visits to a local electronics fleemarket, a guy who sells radioamatuer stuff offered me this … Continue reading
Yes, I am a collector wannabe. Here’s my prized colection of vintage calculators. They are mostly from Texas Instruments, but there are some from other companies. The Commodore SR4190R The Texas Instruments SR-40 The Texas Instruments SR-50 The Texas Instruments TI-45 … Continue reading