RC STRANDBEEST IS A HEAD ABOVE THE REST




Prolific maker [Jeremy Cook] recently put the finishing touches (at least, for now) on his impressive ClearCrawler remote controlled Strandbeest, which includes among other things a surprisingly expressive “head” complete with LED matrix eyes. For anyone in the audience who was only mildly terrified of these multi-legged robotic beasties before, you may want to avert your eyes from the video after the break.

The clever locomotive design of [Theo Jansen] known as Strandbeest is a legged walker. What makes it special is that the legs themselves are not independent, but work together for a gliding action more akin to wheeled bots. [Jeremy’s] work with ClearCrawler has taken this to another level of precision and mechanization.




Before installation of the electronics, the ClearCrawler had to be tethered to a bench power supply, and could only move forward and backward. Once the locomotion was working as expected, [Jeremy] was ready to install some brains into the beast.

The robot is controlled by a dual motor driver and an Arduino Nano socketed in an I/O expansion board. Communication between the Nano onboard the walker and the hand-held remote control is provided by of a pair of nRF24L01 modules. The controller itself is a simple affair, comprised of a joystick shield plugged into an Arduino Uno.

The robot’s head is made up of a chunk of clear polycarbonate tube with a 3D printed internal frame to hold the dual 8×8 LED matrices that serve as its animated eyes. This arrangement is mounted on a servo pan and tilt mount, which is controlled by an analog stick on the controller. While the head doesn’t currently serve any practical function, it does give [Jeremy] a chance to emote a bit with his creation; a popular trick when he shows the ClearCrawler off.

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A few years ago we covered this robot’s predecessor, the considerably larger ClearWalker. While that machine was surely a beauty to behold, this smaller and more agile iteration of the concept is quite a bit more practical.

Source: RC STRANDBEEST IS A HEAD ABOVE THE REST




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