High‐Speed Rail

The transportation of people via high‐speed rail (HSR) is advantageous compared to air transport, especially for distances of 200–1000 km (~130–625mi.) where airportvsecurity and check‐in processes offset the higher maximum speeds of air travel. (The fastest way to travel between London...

Relays

Relays (see Figure 1.14) are like electronic switches: When your program sends a triggering current...

Piezo Buzzers

The primary noisemakers used in electronic kits are piezos, shown in Figure 1.12. You apply...

Motors

As shown in Figure 1.10, the following are the three main types of motor that...