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3. As a control system I have used Arduino Uno mainboard with additional WiFly
SparkFun shield. Both are described with technical specifications in Unit II. For the
project the control system is called WCS (WirelessControlSystem).
4. To control I have chosen two simple hobby 9 gram servomotors HXT900 from
HEXTRONIK. The main factor was low cost and relatively good construction.
Modulation: Analog
Torque: 4.8V: 1.6 kg-cm
Speed:
Weight: 9.1 g
Dimensions: Length: 21.0 mm
Width: 12.0 mm
Height: 22.0 mm
Motor Type: Coreless
Gear Type: Plastic
Rotation/Support: Bushing
Rotation Range:
Pulse Cycle: 20ms
Pulse Width: 450-
Connector Type: JR
Figure 14. Hextronik HXT900
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