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To download all the code, you can check out the GitHub repository here.//Code written by Ryan Chan it is pretty inefficient, but gets the job done, I challenge you to make it more efficient! //*IMPORTANT CHANGES IN VERSION 2: LEDs 4 and 5 have been moved to pins 7 and 8 respectively Buttons 1 and 2 have been moved to pins 12 and 13 respectively. Pre-fixed frequencies will actuate different parts of the robot. Instead of users clicking, we can have all the users in a place, physically try to attain a particular frequency by shouting/chanting the same word. The reason we're connecting the Arduino to a Laptop is that it's an easy way to give the Arduino access to the web, while Processing 3, instead of the Arduino IDE gives us a lot of powerful tools to add modifications to our robot. Now, whenever the Arduino makes a 'GET request', the server will send the votes it has received from the users to the Arduino, which is running Processing 3. #Arduino robotic arm codeThe web server, in this case, is basically a computing device on the cloud which will store all the code for your web page and store the votes that different users send in. You could host a server on your Raspberry Pi (We have a tutorial for that), or buy some hosting for a week or two. For this, you will need access to a web server. The next step would be to upload the code. I bought the Robot arm, ssc-32 and arduino board from Bizoner. ![]() #Arduino robotic arm serialThe schematic for the circuit can be understood more clearly from the diagram below. Arduino board (i used the arduino duemilanove) Battery (you can use a 5v power supply instead of the battery) Voltage regulator (not needed if 5v power supply is used) 2 USB to serial cables. Each of the servos also has a data line connected to a digital pin on the Arduino. The Vcc and GND lines from the buck converter are then split into 4 parallel paths for each of the servos, the GND is also shorted to one of the GND pins on the Arduino. These micro-servos can take up to 6V, however, I adjusted the buck converter to just below 5.8V, as a precaution for fluctuations or faulty voltage readings. Make the motor connections from the prosthetic arm to Curiosity HPC 2 (Slave) as. The battery was connected to an LM2596 buck converter module which dropped the 11.1V of the 3S LiPo to ~5.8V. Based on these signals Arduino controls the robotic arm. 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. The robot then pulls information about the most-voted-for option from the server and executes the action.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 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. Zone A: Control motor 2, 3, 4 (control three hand joints) Zone B: Control motor 1 (control base) Zone C: Control motor 5 (control rotation of gripper) Zone D: Control motor 6 (control gripper) 3. Arm control can be performed by the 4 potentiometers. Integrates 4 SG90 servos that allows 4 Degree of motion and can pick up light items with the claw. It can be controlled by multiple people to try and achieve a common objective. The Robot Arm comes flat pack for assembly and requires very minimal soldering to get it up and running. Thus, 'Muscles' the quirky robotic arm came into being. #Arduino robotic arm seriesThe 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. In effect, manually controlling a Robotic Arm. 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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