The battery was connected to an LM2596 buck converter module which dropped the 11.1V of the 3S LiPo to ~5.8V. However, I had to connect the Arduino to my laptop so as to run it along with a Processing server script. I had to use this sort of arrangement as the power from the Arduino was not enough to drive the servos and using an external power supply for them proved to reduce some of the jitter in them. Power source (I used a 3S LiPo with a buck converter)Ī battery was used to power the servos on board, the Arduino was powered by the laptop and the grounds of the Arduino and the battery were shorted together. The robot then pulls information about the most-voted-for option from the server and executes the action.Īn Arduino board (Uno or Mega will work fine) The robot can be controlled by a simple web form that submits a vote in favor of a particular motion to a server every time a user chooses an option. It can be controlled by multiple people to try and achieve a common objective. Thus, 'Muscles' the quirky robotic arm came into being. The project started with an idea for a series of videos that would help enthusiasts build their first robot, which then developed into, building an interactive robot with the objective of community bonding in mind. Kyle Keane, a lecturer at the Department of Material Science and Engineering(DMSE), MIT and was demonstrated at an IAP class, where I was helping as a TA. The project was built under the mentorship of Dr. The hardware for the robot at MIT's Engineering Design Studio(EDS) and would like to thank the nice folks at EDS who helped me out with various aspects of the project. You can go ahead and use any color that pleases you. I used black color acrylic because that's what was available. The parts for the robot have been laser cut using 3.5mm thick acrylic. It was used as an experiment to study human-robot interaction and the efficiency of humans as a team. The arm can be controlled by a large number of people simultaneously over the web by using a web-based form to submit their choices. The hardware for this project has been taken from another open source project, which can be found on GitHub.
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