Robot Building for Beginners, Third Edition

CHAPTER 9 ■ RESISTORS If your meter is displaying 0L or some very large number, double-check the setting you’ve chosen on the di ...

CHAPTER 20 ■ COUPLER Every turn and a half, turn backwards a half turn or so to work excess metal out of the hole. If turning be ...

CHAPTER 9 ■ RESISTORS As multimeters have gotten smarter, they do a better job of displaying numbers in user-friendly ranges. If ...

CHAPTER 20 ■ COUPLER Admiring the Coupler The setscrew makes it simple and quick to install and remove the coupler from the robo ...

CHAPTER 9 ■ RESISTORS Labeling and Storing Measure and sort all of the resistors in your variety pack. If the resistors are atta ...

CHAPTER 21 Soldering Equipment Solder is the shiny silver-gray metal seen in tiny blobs on almost all circuit boards (see Figure ...

CHAPTER 9 ■ RESISTORS You can find inexpensive storage cases at hardware stores and variety retailers, or tackle boxes at sporti ...

CHAPTER 21 ■ SOLDERING EQUIPMENT For circuit-board work, look for solder wire with a thickness of #21 AWG or #22 AWG (American w ...

CHAPTER 10 LEDs In this chapter, you’re going to learn about LEDs. You’ll see how to select them, test them, and why no self-res ...

CHAPTER 21 ■ SOLDERING EQUIPMENT Table 21-2 lists suppliers for liquid flux. Paste flux stays in place, but liquid flux leaves f ...

CHAPTER 10 ■ LEDS A caliper measures small dimensions. The left side of Figure 10-2 shows a T 1 ¾ LED placed in the jaws of the ...

CHAPTER 21 ■ SOLDERING EQUIPMENT Some soldering irons have tips that are safe from ESD (electro-static discharge), usually label ...

CHAPTER 10 ■ LEDS The LED’s shape acts as either a collimating lens (light straightening—like a narrow-beam spotlight) or as a l ...

CHAPTER 21 ■ SOLDERING EQUIPMENT ■ Caution Don’t ever rest, set down, or store the soldering iron in any place but the manufactu ...

CHAPTER 10 ■ LEDS LED Lens Clarities There are three popular lens clarities (see Figure 10-6). Water Clear Water-clear LED lense ...

CHAPTER 21 ■ SOLDERING EQUIPMENT Some people prefer waterless brass sponges, such as SparkFun #TOL-08965 for $9.95. Brass is a r ...

CHAPTER 10 ■ LEDS Today, colored lenses remain the most common and least expensive. However, with the technological improvements ...

CHAPTER 21 ■ SOLDERING EQUIPMENT Desoldering Vacuum Tools Sometimes you’ll apply too much solder to a joint. The solder blob has ...

CHAPTER 10 ■ LEDS ■ Fun If you want to start trouble, assemble some artists, physicists, philosophers, and psychologists into a ...

CHAPTER 21 ■ SOLDERING EQUIPMENT Steps of a Typical Soldering Session The following is an example of a typical soldering setup a ...