Robot Building for Beginners, Third Edition

■ INDEX

Restriction of Hazardous Substances (RoHS), 24
Reusable keyboard interface module, 12
Reversing 9 V batteries, 430
Robot bodies. See also Sandwich container
base platforms, 350
converting and recycling items, 350
design, 446
embracing prefabricated platforms, 350
ethereal drafting, 347
home-laboratory stockroom (junk pile), 347
material substitution and transitioning out, 348
origami helper and bending paper, 349
prototyping and construction models, 348
3D printer, 350
vision revision and constraints, 347
Robot components
adding gears, 417–418
capacitors, 407
data transmitter, 421
DIP switches, 411
displays, 420–421
distance and object sensors, 415
encoders—determining wheel speed, 419–420
jumpers and shorting blocks, 411
logic chips, 403
microcontrollers, 404
object detection and infrared remote
control, 414
oscillators and crystals, 415
pushbuttons, 410
receiver modules, 421
relays, 417
resistor networks, 409
servos, 418–419
solar power, 408
sound components, 416
temperature sensors, 413
tilt sensor, 412
touch sensors, 413
voltage regulators, 405
Robot contests. See Autonomous-robot contests
Robot-friendly voltage regulators, 406
Robotics
candy container, 11
homemade robot (see Homemade robot)
module design, 11–12
Robot power switches, 168
Robot’s electronic testing, 343
leaking batteries, 343
low-resistance circuit, 343
power of resistance, 344
power on resistance, 345
reheating solder joints, 346
resistance measuring, 344
unsoldered leads, 343

voltage drop, 345

voltage leads, 343

Robot sumo contests, 424

Roof rat robot, 422

Rotor

brushes, 227

commutator, 226

shoes, 225

windings of wire, 225

Round thru-hole spacers, 366

RS-232 data interface, 39

Rubber boot, multimeter, 41

„„„„„„„„„S

Safety

chemicals, 22

dust mask, 21

electricity

AC vs. DC, 25

circuit breakers, 26–27

disconnect power, 29

GFCI outlets, 27

grounding prong, 28–29

PPTC switches, 27

rechargeable batteries, 25

voltage-adjustable DC power supply, 25

goggles glasses, 20

hand washing, 22

instructions, 19–20

lighting, 29

motors and power components, 29

resistant gloves, 21

toxic elements, 22

cadmium handling, 24

lead handling, 23

mercury handling, 23

RoHS, 24

Sandwich circuit board, 99

Sandwich container

circuit board, 351, 365

experiment, 371

grinding stone accessory, 354

labels, 353

metric screws, 356

motor holes, 351

motor tube creation, 358

needing washers, 357

pilot and drilling screw holes, 354

rules, drilling and grinding, 356

switches and battery holder, 363

template sticker, 352

trimpots, 370

variable-speed rotary tool, 371

Ziploc container, 370