A Planet Analog article, “ 2N3904: Why use a 60-year-old transistor? ” by Bill Schweber, inspired some interest in this old ...

A self-sensing and heating transistor thermostat for a 16-bit DAC voltage reference to stabilize its temperature.

These days, we take it for granted that you can connect a cheap piece of hardware to a microcontroller and have an amazing debugging experience. Stop the program. Examine memory and registers. You ...

A single phototransistor mimics retinal bipolar cell function while detecting visible and infrared light, enabling low-power ...

I never thought I’d get serious about Large scale (G gauge) model railroading, but here I am. This past summer, I successfully bid on a 1:22.5-scaled C-16 2-8-0 in Colorado & Southern livery at an ...