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underwaterRobot

The robotic prototype swimming under water propelled by fins, it was developed at the Control Systems and Robotics Laboratory of the Technological Educational Institute of Crete, in Heraklion (Greece) and it’s controlled by an Arduino Mega:

Each fin is comprised of three individually actuated fin rays, which are interconnected by an elastic membrane. An on-board microcontroller generates the rays’ motion pattern that result in the fins’ undulations, through which propulsion is obtained. The prototype, which is fully untethered and energetically autonomous, also integrates an IMU/AHRS unit for navigation purposes, a wireless communication module, and an on-board video camera. The video contains footage from experiments conducted in a laboratory test tank to investigate closed loop motion control strategies, as well as footage from sea trials.

the Arduino runs a custom-developed real time firmware that implements two Central Pattern Generator (CPG) networks to generate the undulatory motion profile for the robot’s fins. The robot  contains a  7.4V lipo battery powering also a Bluetooth module for wireless communication and a video camera to record footage of the missions.

UnderwaterRobot2

 

The Rice Krispies Loader is designed to fleece you of your delicious cereal. Photo by Kit Fuderich.One Maker’s experiment in robotics results in an insatiable cereal transport system using Arduino, 3D printing, and Rice Krispies.

Read more on MAKE

The post This Cereal-Stealing Robot Will Swipe Your Breakfast appeared first on Make: DIY Projects, How-Tos, Electronics, Crafts and Ideas for Makers.

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A PC and an Arduino: here’s your DIY Oscilloscope

ADC, arduino, MATLAB, oscilloscope Commenti disabilitati su A PC and an Arduino: here’s your DIY Oscilloscope 

Oscillo2-500x349

by prem_ranjan @ open-electronics.org:

We have designed an Oscilloscope using PC and Arduino Board. The signal is first of all fed to the Arduino Board where the analog signal is converted to a digital signal by the ADC which is then serially outputted to the PC and is read by the MATLAB software via the COM ports. Here the signal is read in the form of digital data but then is converted to analog one by using the resolution of the ADC used by the Arduino Board. The MATLAB software was then used to plot the signals.

A PC and an Arduino: here’s your DIY Oscilloscope - [Link]



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