Raspberry Pi A User Manual page 310

294
raspistill package
raspivid package, 242–243, 272–275, 276
raspiyuv package, 272–275, 276
Rastrack (website), 99
raw_input command, 181
RCA phono connector, 22–23, 25
Ready To Send (RTS) handshaking, 87
realname variable, Python, 195
receive buffer, Python, 196
reduced instruction set computing (RISC), 19
region settings, display, 34, 67, 112
regulators, 66
remove command, 61
repeater (mode), iwconfig command
repositories, defined, 58
request for comments (RFC) hostname
resistor kits, 204
resistors, 204, 206–208
resolution, video, 22
respawning, Python, 191
retry, iwconfig command output, 87
ribbon cables, 235, 237
RiscOS, 49
RJ45 Ethernet patch cable, 30
rm command, 44
rmdir command, 45
robotics, 171, 259
root file system, 53, 121
root option, cmdline.txt file, 121
Root Terminal, 46
root user account, 43, 51, 59–60
rootfstype option, cmdline.txt file, 121
rootwait option, cmdline.txt file, 122
RS Components (website), 208
RTS, iwconfig command output, 87
RTS (Ready To Send) handshaking, 87
R A S P B E R R Y P I
running, 94–95
SSH, 104
update, 104
file extensions, 241
filenames, 242
flip images, 241
options, 272–275
test camera, 239–240
time-lapse mode, 243–248
output, 87
standards, 103
U S E R G U I D E , 2 N D E D I T I O N
RX, ifconfig tool output, 70
RX bytes, TX bytes, ifconfig tool
output, 70
S
-s flag, 128
safety, soldering, 213, 214
say brick, Scratch, 160
say Hello! block, Scratch, 160
say Hello! for 2 secs block, Scratch,
169
sbin directory, 54
scanning, for wireless networks, 83
SCL (Serial Clock) signal, 223
Scratch
animations and sound, 162–164
further reading, 172
games, 165–170
Hello World example, 159–162
LEGO robotics, 171
overview, 47, 158
sensing with PicoBoard, 171
Scratch (website), 158, 172
screw terminals, 254
SD (Secure Digital) memory cards, 15, 27, 68
SDA (Serial Data Line) signal, 223
sdram_freq setting, config.txt file, 116
sdtv_aspect setting, config.txt file, 112
sdtv_mode setting, config.txt file, 112
searching, 59
secondary (mode), iwconfig command
output, 87
Secure Digital (SD) memory cards, 15, 27, 68
Secure Shell (SSH) settings, 104
Security Enhanced Linux, 54
selinux directory, 54
send function, Python, 195
sensing block, Scratch, 167
Serial Clock (SCL) signal, 223
Serial Data Line (SDA) signal, 223
Serial Peripheral Interface (SPI), 204, 223
Server Message Block (SMB) standard, 131
servername variable, Python, 195
Service Set Identifier (SSID), 78, 87
settings, raspi-config tool, 95–105
7Zip (website), 28