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This small hexapod using the Micro Maestro is controlled remotely using a Bluetooth module. Very detailed build information is available in this blog post.
This art installation by Matthew Richard uses 10 OctoBrite DEFILIPPI modules, 80 RGB LEDs, 40 servos, 7 servo controllers, and an Arduino.
Alex Louden has released an open-source template for custom 3pi expansion boards for use with the Eagle PCB design software. The picture shows an example expansion with an mbed microcontroller, Xbee, and accelerometers.
Featured link: http://alexlouden.com/2010/3pi-pcb-skeleton/
This simple obstacle-avoiding robot by forum user TomatoWire is based on the Maestro and uses continuous-rotation servos and distance sensors. The robot is programmed using the Maestro’s internal scripting language, without the need for an additional microcontroller.
Featured link: http://forum.pololu.com/viewtopic.php?f=2&t=2756
This instructable shows how to power an Arduino through the Pololu Pushbutton Power Switch and use the self-shutoff feature.