Robot Building for Beginners, Third Edition

CHAPTER 18 ■ ADDING GEARHEAD MOTORS diode rather than breaking down a path through another component. Schottky diodes have this ...

„„„„„„„„„A Acrylonitrile butadiene styrene (ABS), 361 Alkaline 9 V batteries, 77, 84 Alligator clips, 91 Alternating current (AC ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Connecting the Diode in the Proper Orientation You must connect the cathode end of a diode ( ...

■ INDEX Caliper, LED sizes, 109 Capacitance measurement, multimeter, 34 Capacitors characteristics, 407 vital uses, 407 Carbon a ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Testing the Motors Upon powering up the circuit, one motor should spin depending on which se ...

■ INDEX dimension characteristics, 244 eiciency, 243 electrical noise, 243 gearhead motors, 245 absolute ratio, 248 disadvantage ...

CHAPTER 19 Wheels At this point, you have some wonderful motors that are only spinning themselves. In this chapter, you’ll be in ...

■ INDEX power switches, 6 robot’s body, 10 sensors cadmium-sulide sensor, 7 heavy-duty power switch, 6 pushbuttons, 7 Hook adapt ...

CHAPTER 19 ■ WHEELS Characteristics of Robot Wheels The role of the wheel is to transfer the mechanical force from the motor to ...

■ INDEX Material safety data sheets (MSDS), 20 Melting switches, 430 Metric screws, 356 Metric system, 51 Microchip MCP1826S, 5 ...

CHAPTER 19 ■ WHEELS Solid tires wear well but don’t grip as well, nor do they absorb bumps as well as pneumatic tires. However, ...

■ INDEX e^2 titanium battery, 86–87 holder, 365 Li-poly, 83 lithium, 84 mounting batteries, 88 nickel-cadmium battery, 86 NiMH, ...

CHAPTER 19 ■ WHEELS On the other hand, skinnier tires have lower rolling resistances and can turn much more easily. They weigh l ...

■ INDEX Restriction of Hazardous Substances (RoHS), 24 Reusable keyboard interface module, 12 Reversing 9 V batteries, 430 Robot ...

CHAPTER 19 ■ WHEELS Slick tires provide maximum contact in dry, flat conditions. For this reason, professional racecars use slic ...

■ INDEX Sandwich robot, 61 anatomy, 73 blue masking tape, 63–64 broken lines, 64 centering on line, 69 components of brains, 71 ...

CHAPTER 19 ■ WHEELS Calculating Linear Speed Here’s the formula for linear speed: (RPM of loaded motor / 60 seconds in a minute) ...

■ INDEX lat jumper wire, 152 ready-made, 152 reinforced, 151 serrated-jaw long-nose pliers, 157 smooth-jaw needle-nose pliers, 1 ...

CHAPTER 19 ■ WHEELS calculations. Now that we know the loaded speed, let’s plug it back into the original formula to make sure i ...

■ INDEX „„„„„„„„„W, X, Y Water-clear LED lenses, 112 Wheels anatomy, 263 cleaning tires, 276 LEGO wheels advantages, 270 manufac ...