Python Programming for Raspberry Pi, Sams Teach Yourself in 24 Hours

displaying text on, 399 - 403

graphics

interacting with, 409 - 410

moving, 408 - 409 , 411 - 414

setting up, 397 - 398

generic exception handling, 350

Gertboard

circuit, building, 538 - 539

connecting to GPIO interface, 533 - 534

get operation, 178 - 179

global variables, 251 - 253

GNOME, 34

GPIO (General Purpose Input/Output) interface, 529 - 534
blinking the LED, 540 - 541
connecting to, 530 - 534
via Gertboard, 533 - 534
via Pi Cobbler, 532 - 533
input
detecting, 542
events, 546 - 548
polling, 545 - 546
switch bounce, 548
input signals, 544 - 545
output
testing, 539 - 540
viewing, 536 - 539
pin layout, 530
PWM output, 530
RPI.GPIO module, 535 - 536
installing, 535
startup methods, 535 - 536

GPU (Graphics Processing Unit), 10

graphics

interacting with, 409 - 410

moving on the game screen, 408 - 409 , 411 - 414

grouping

comparisons with logical operators, 126 - 127

multiple statements

elif statement, 120 - 121

else statement, 118 - 120

if statement, 117 - 118