Electronics

New Oscilloscope

 
Since I was very small, I wanted an oscilloscope. As a child in the 80s, this was a nearly impossible want. New ones were unthinkably expensive, while used ones were rare in working condition. I eventually did get my then tiny hands on a clunky, heavy, rack mounted unit with a screen the same color as Thai iced tea. It never worked, of course, but I didn't figure that out until years later. Eventually, it ended up in the bin with a lot of my childhood things. That never stopped me from...

The Nibbler and how CPUs finally made sense

 
It's the early 90s, and a younger version of me is soldering chips to a board in my high school industrial class.  I had been looking forward to this part of the class. Having some self-taught experience with electronics, I took the opportunity to try something really ambitious. Instead of a blinky-light kit, motor, amplifier or radio, I decided to build a computer from chips. I had convinced my Dad to invest the money in an Elenco Micro Master Computer Training kit. This single-board...