Twitter
registering applications,
167–168
sensor data with PC,
164–172
troubleshooting, 181
Tweeting Vending Ma-
chine, 172
Tweeting with Processing,
166, 168–172, 181
Twitter4J, Tweeting sensor
data, 168–172
TwitterFactory
, 171
Two-Wire Interface (TWI),
147, 151
TX LED, 20
TX line, 28
type
parameter, 82
U
UART devices, 35
Uint8Array
object, 274
ultrasonic sensors
about, 78
connecting and using,
78–84
distance sensing project,
77–98
floating-point numbers,
84–86
ideas, 97
silly string shooter, 97
underscores, private instance
variables, 65
Unicode, 170
Universal Asynchronous Re-
ceiver/Transmitter (UART)
devices, 35
universal remote, see remote
control project
unpacking extensions, 270
unsigned int
, 17
unsigned long
, 17
unzipped applications, 270
update
, 58
updateStatistics
, 118
updateStatus
, 171
updateUI
, 96
update_game
, 160
Upload button, 15, 20
uploading
sketches, 19–22
sketches to board, 15
uppercase, changing from
lowercase, 67
URLs, remote control project,
216, 219
USB cables
connecting, 6
images, 4
parts list, xx
USB connector, uses, 7
usernames
email from Arduino, 191–
192, 199
email from command-
line, 186
UTF-16, 274
UTF-8, 274
V
variable-width pulses, 78, 81
variables, private instance, 65
velocity
Breakout clone game,
117, 121
Pragduino game, 156
verbose output, 26, 249
Verify button, 14, 20
version
, 269
versions
Arduino IDE, xvi, 10
Arduino platform, xvi
Google Chrome apps, 269
video game console, Nunchuk
controller, 153–162
Video Game Shield, 125
video signals project, 127–144
analog TV theory, 128
connecting Arduino to
TV, 131–133
DAC, 130–133
troubleshooting, 143
TV thermometer project,
134–144
using TVout library, 133–
144
Vin pin, 8, 101, 227
void
, 17–18
voltage
about, 239–243
AC adapter, 7–8
analog pins, 88
analog video color, 129,
131
breakout boards, 101
calculating output, 131
DAC (Digital-to-Analog
Converter), 130
defined, 240
LEDs, 240
pins, 8
power supply, 88
serial communication,
253
servo motors, 227
temperature sensor, 165
TV thermometer project,
136
USB port, 7
voltage drop, 241
vx
, 121
vy
, 121
W
wearables, 178
web browser
Breakout clone game,
111–124
Chrome Serial API, 271–
274
controlling Arduino with,
267–280
minimal app project,
269–271
networking project ideas,
181
remote control project,
212–223
SerialDevice
class, 274–280
weight and motors, 235
whitelists, 181
Wi-Fi networking, 180–181
Wi-Fi shields, 180
width
Breakout clone game,
117
image data, 141
Pragduino, 155
TV thermometer project,
136–137, 141
WIDTH
constant, 155
Wii applications, 152, 162
Wii Balance Board, 152
Wii Motion, 162
Windows
Arduino IDE installation,
10–13
serial terminals, 32
winner
element, 115
wire cutters, using, 243
Wire library, 147, 150–153
Index • 296
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