Raspberry Pi A User Manual page 300

284
breadboards
brick-and-mortar electronics stores, 209
bricking, 115
bricks, Scratch, 161
broadcast address, 70
broadcast block, Scratch, 170
Broadcom BCM2835 system-on-chip (SoC)
Broadcom VideoCore IV module, 126
buffers, Python, 196
buses, 222–223
business-to-business, defined, 208
business-to-consumer, defined, 209
C
cache, searching, 58–59
Calc, LibreOffice, 140
calculator.py program, 182–184
Camera Module
Camera Serial Interface (CSI) ports, 15
capacitors, 206
cd command, 44
Cellan-Jones, Rory (journalist), 5–6
central processing unit (CPU), 103–104,
R A S P B E R R Y P I
disadvantages, 210–211
GPIO input example, Python, 228–232, 270
GPIO output example, Python, 223–228, 270
overview, 204
quarter-size, 255
multimedia processor
architecture, 19
buses, 222–223
memory partition, 103–104, 119–120
overclocking, 68, 100–101, 114–116
overview, 15
CSI ports, 15
enabling, 99, 238–239
installing, 235–238
overview, 234
software options, 272–276
still photography, 239–242
time-lapse photography, 243–248
USB webcams, advantages over, 235
video photography, 242–243
119–120
U S E R G U I D E , 2 N D E D I T I O N
changeDirection variable, Python, 188
channel variable, Python, 194
children
LEGO robotics kits, 171
programming opportunities, lack, 1–3
Scratch programming software, 158–172
chmod command, 179
chown command, 154
Chromium browser, 137–139
circuit building
breadboards, 204, 210–211, 225–232,
255, 270
equipment, 204–206
GPIO port, 204, 220–232
resistor colour codes, 206–208
soldering, 213–217
sourcing components, 208–210
stripboard, 211–213
CISC (complex instruction set computing), 19
Ciseco Slice of Pi, 250–254
Ciseco Slice of Pi (website), 254
Class 10 SD cards, 68
Clear To Send (CTS) handshaking, 87
cloud-based apps, 136–139
cmdline option, config.txt file, 114
cmdline.txt file
editing via NOOBS, 108
load emergency kernel, 72
software settings, 120–122
cold joints, 217
collisions, 70
collisions, ifconfig tool output, 70
colour codes, resistors, 206–208
comic strips, creating in Scratch, 164
comment lines, 245
comments, Python, 180
compatible devices
keyboards and mice, 65
SD cards, 27, 68
USB wireless adapters, 32, 92
complex instruction set computing (CISC), 19
components, sourcing, 208–210
composite video, 15, 22–23, 25
compression, data, 27
config_hdmi_boost setting, config.
txt file, 113