Raspberry Pi A, User Manual, Page: 310 / 314

R A S P B E R R Y P I
U S E R G U I D E , 2 N D E D I T I O N
294
running, 94–95
SSH, 104
update, 104
raspistill package
file extensions, 241
filenames, 242
flip images, 241
options, 272–275
test camera, 239–240
time-lapse mode, 243–248
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
output, 87
repositories, defined, 58
request for comments (RFC) hostname
standards, 103
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
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