Robot Building for Beginners, Third Edition

■ INDEX

dimension characteristics, 244
eiciency, 243
electrical noise, 243
gearhead motors, 245
absolute ratio, 248
disadvantages, 250
gear ratio, 248
odd ratio, 249
vs. planetary gears, 250
shaft, 247
speed to torque, 250
spur gear, 246
teeth, 250
using colon, 249
iron-core permanent-magnet, brush, 224
rotor, 225
stator, 224
iron-core permanent-magnet, brushless, 227
mass characteristics, 244
motor assortments, 230
motor circuit, 231
rotational speed, 232
reusable putty, 234
RPM, 233
RPM to metric unit, 235
torque, 235
robot-driving motor, 238
signiicance of distance, 236
sliding, 237
voltage characteristics, 238
DIP switches, 411
Distance sensors, 415
Distribution buses, 145
Double-pole double-throw (DPDT), 320
Drilling Screw Holes, 354
Drop-proof robot, 422
DT-830B digital multimeter, 43
Dual display, multimeter, 38
Dual inline package (DIP) socket, 143, 337
Duty cycle measurement, multimeter, 35

„„„„„„„„„E

Electronics, 261
Encoders, 419–420
Epoxy chips, 292

„„„„„„„„„F

Field efect transistors, 433
Flex sensors, 414
Fluorescent lights, 30
Flyback diode, 258
Forward voltage drop, 122
Frequency measurement, multimeter, 34

Front-mounted sensors and headlights, 68

Full-color LEDs, 118

Fuse, 27

Fuses (multimeter), blowing, 431

„„„„„„„„„G

Gearhead motors

brightness compartor circuit, 257

diode, 257

motors, 259

current usage, 255

actual current, 257

least current, 256

most current, 256

Hsiang Neng, 253

inspection, 255

solarbotics, 254

Gears, 417–418

Goggles, safety, 20

Grinding stone accessory, 354

Ground, 433

Ground fault circuit interrupter (GFCI) outlets, 27

„„„„„„„„„H

Hacksaw/rotary tool, 358

Headlight circuit

battery voltage, 204

LEDs, 201

maximum current, 204

schematic diagram, 202

solderless breadboards, build, 203

Heat-shrink tubing

hair dryer, 312

heat guns, 312

heating, protecting and insulating terminals, 313

protecting terminals, 311

seven-color assortment, 310

white and black tubing, 311

Holster, multimeter, 41

Homemade robot

aesthetics, 10

brain, 2

components, 9

description, 2

electrical power, 3

9 V battery, 3

power regulation, 4

rechargeable batteries, 4

solar power, 4

LEDs, 9

movement

motor controller, 8

tiny pager motors, 8