The TrainTrackr, which reproduces a complicated subway route map with a circuit on an electronic board and emits light-emitting diodes (LEDs) according to the real-time position of the actual subway, ...

As we noted earlier in this mega-mini-series (see Part 1 and Part 2), several of my earlier columns are relevant to these discussions, especially the following: In what follows, we will refer to these ...

We will refer to these article collections as “Breadboards,” “Tools,” and “Components” for short. We’re assuming that we are in possession of a full-size breadboard and associated wires (Components, ...

Linear Technology Corporation has introduced the LT3486, a dual step-up DC/DC converter specifically designed to drive up to 16 white LEDs (8 LEDs in series per channel) with constant current and, as ...