balancing, 44-46
direction of, 15-16, 41
motors paired with, 48
number of, 15-16
pitch of, 42-43, 183
size of, 42-43, 183
proximity sensor, 181-182
pulse position modulation (PPM)
protocol, 109
pusher props, 41, 42
PWM (pulse width modulation)
protocol, 109
Q
quadcopters, 17
example project (see Little Dip-
per quadcopter)
motor speed and direction, 15
R
Radio FailSafe options, 147
radios (see telemetry radios; trans-
mitter)
RC model airplane, 3-7
RC transmitter (see transmitter)
real-world applications of drones,
171-178
receiver (radio)
communication protocols for,
109
installing, 110-113
ports for, 81
receiver (video), 125-126, 179
remote control (see transmitter)
remote trigger for camera, 121
remotely piloted aircraft (RPA), 1
resolution of camera, 122
return to home (RTH) flight mode,
92, 144, 146-147
roll (aileron), 11
RPA (remotely piloted aircraft), 1
RPM, for motor, 47-48
RTH (return to home) flight mode,
92, 144, 146-147
rudder (see yaw)
S
safety
aircraft inspection, 168
best practices, 3, 162-164
first-person-view (FPV), 164
importance of, 161
insurance coverage, 163
laws and regulations, 169
Li-Po batteries, 51
no-fly zones, 163, 165, 167
preflight checklist, 166-168
RTH (return to home) flight
mode, 93
training and education, 161
where and when to fly, 165
search and rescue, 175-176
sensors for flight control, 7, 80-81,
181-182
SimonK firmware, 50
small autopilot flight controller (see
flight controller)
small unmanned aerial systems
(sUAS), 2
(see also drones)
Small Unmanned Aerial Vehicles
Coalition (SUAVC), 162
smartphone, role in drone develop-
ment, 6
software assistant, for flight con-
troller, 82
soldering, 57
speed, increasing, 182-184
stabilize flight mode, 144
stick mapping, 9-12
surveying and mapping, 173
T
telemetry radio, 115
aircraft radio, 117-120
building, 116-120
frequency bands for, 115
ground station radio, 116-117
setting up, 149
telemetry radio port, 81
3DR radio (see telemetry radio)
Index 191
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