Data Sheet

Brushless Motor Connections and Operation
76 Advanced Digital Motor Controller User Manual V1.8, August 28 2017
The RC mode provides the simplest method for remotely controlling a robotic vehicle:
little else is required other than connecting the controller to the RC receiver and powering
it On.
FIGURE 6-2. R/C radio control mode
The speed or position information is communicated to the controller by the width of a
pulse from the RC receiver: a pulse width of 1.0 millisecond indicates the minimum joy-
stick position and 2.0 milliseconds indicates the maximum joystick position. When the
joystick is in the center position, the pulse should be 1.5ms.
1.05ms
min center maxjoystick position:
R/C pulse timing:
0.45ms
0.9ms
FIGURE 6-3. Joystick position vs. pulse duration default values
The controller has a very accurate pulse capture input and is capable of detecting
changes in joystick position (and therefore pulse width) as small as 0.1%. This res-
olution is superior to the one usually found in most low cost RC transmitters. The
controller will therefore be able to take advantage of the better precision and better
control available from a higher quality RC radio, although it will work fine with lesser
expensive radios as well.
Input RC Channel Selection
The controllers features several inputs that can be used for pulse capture. See product
datasheet for actual number of pulse input. Any RC input can be used as command
for any motor channels. The controller’s factory default defines two channels for RC
Set
R
eset