Robot Building for Beginners, Third Edition

CHAPTER 11 ■ POWER ON! Reading a Schematic A schematic illustrates the logical connections between all of the parts (see Figure  ...

CHAPTER 22 ■ SOLDERING AND CONNECTING A tool is necessary to force the metal terminal to wrap around and hold the wire for attac ...

CHAPTER 11 ■ POWER ON! Building the Power Indicator Circuit You’re now going to build the power indicator circuit by connecting ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Figure 22-15. Wire inserted into terminal with plastic insulation in end flaps and bare wi ...

CHAPTER 11 ■ POWER ON! Do You See The Light? Hopefully you’re patting yourself on the back for a job well done. You’ve got a bea ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Gently squeeze the crimp tool handles, causing the flaps to be curved over the stripped p ...

CHAPTER 11 ■ POWER ON! Measuring In-Circuit Voltage Testing voltages throughout a circuit is the most common test you’ll perform ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Repeat the process to add terminals to all four wires on the pair of motors. Insert the t ...

CHAPTER 11 ■ POWER ON! When you touch the red test probe tip to the positive terminal of the battery, the multimeter should ind ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Insert the remaining wired terminals into their housings. Facing the windows in the hous ...

CHAPTER 11 ■ POWER ON! Measuring Voltage “Drop” or Voltage “Across” a Part Often you’ll be interested in how much voltage a part ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Putting Together the Line-Following Switch The line-following switch was the only part of ...

CHAPTER 11 ■ POWER ON! In an earlier chapter, you tested the LED using the diode mode of the multimeter. The amount of voltage b ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Preparing and Attaching the Switch Wires Like the motors, the switch terminals need to hav ...

CHAPTER 11 ■ POWER ON! For this measurement, both the red and black probes should have hook adaptors on the ends. Rotate the me ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Loop the yellow wire through the eyelet in the other center terminal, twist the wire toge ...

CHAPTER 11 ■ POWER ON! With this setup, all of the electricity that leaves the battery is going into the meter’s red probe, thro ...

CHAPTER 22 ■ SOLDERING AND CONNECTING Got it? You have two red wires, one long and one short, connecting to the same terminal. ...

CHAPTER 11 ■ POWER ON! As the W value increases, the battery life increases but the LED dims (see Table 11-1). As the W value de ...

CHAPTER 22 ■ SOLDERING AND CONNECTING You can test the arrangement by hooking a multimeter to either center wire and testing the ...