Raspberry Pi, 2nd Edition

What You Need

To build all projects in this chapter, you need only a few cheap parts. (You can see them all in Figure 45, ​The parts you need​.)

Figure 45. The parts you need

• A half-size breadboard

• Three 5mm LEDs (red, yellow, and green)

• Three resistors in the range of 220Ω to 1kΩ

• Four female/male jumper wires

You can get these parts at any shop that sells electronic parts—for example, RadioShack,^[105] SparkFun,^[106] Mouser,^[107] Digi-Key,^[108] and Adafruit.^[109] Note that buying single LEDs, resistors, or jumper wires doesn’t make much sense. You can get these parts for much cheaper when you buy them as a pack. For example, RadioShack ...