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This tutorial resume common steps to setup a basic connection for a Raspberry Pi board to the net using SSH, VNC and video streaming from a camera module. Most of this information is broadly available on the internet with this article being a review to easy and particular implementation.

Prepariong the Raspberry Pi

Basic setup:

Fully playable ocarina printed on PLA using a RepRap Prusa I3 3D Printer. Operation Description and files download to recreate

Zelda's Triforce Medallion printed on PLA using a RepRap Prusa I3 3D Printer. Operation Description and files download to recreate:

DOWNLOAD CAD FILES: Download

• MG995 - High Torque Servo Motor - Tower Pro
  
• MG995 Servo Motor  Round Clip
  
• Servo "C" "U" Bracket
• Servo Multi-Purposel Bracket
• 9g - Micro Servo Motor - Tower Pro
• 9g Micro Servo Motor Clip

Some usual RF devices are those digital modules where a button or command generates an digital output on the receptor, this limits the amount of control that can be generated on the receptor to a few "channels". In most cases some "complex" custom comunication is required, where the RF modules need to handle any type and size of information the process require.

RF modules offer the capability to wirless transmite datta on electronic and robotics projects, this modules are extremly easy to use and are quite cheap (about $5 USD) wich make them ideal for projects

In this little example an Arduino UNO board with 2 micro servo motors will be controlled remotely using an XY-DJM-5V SC2272-M4 RF controller. Note that this module is intended for be used as a simple relay on its digital pins, other modules allow more deep radio frequency communication.

The case represent a kilo-class submarine totally submerged under a water medium. The interest data for this tutorial is the flow path over the submarine shape and how the water interacts, the pressure points on the structure and the turbulence generated.

Analysis of a pressure regulator valve using the beginning OpenFOAM tutorial from Libre Mechanics Simple beginning 3D OpenFOAM Tutorial.pdf

LM-Plot it's a simple and easy to use program intended to be a useful tool for electronic and robotic projects where common data analysis is required on real time samples, using the serial port to catch data the user choose to plot immediately the variable or record the data streaming into a permanent file. The program also allows to configure some plot settings in order to improve understanding, presentation and data storing for later interpretation.

The solar tracker made ​​with a control board low-cost Arduino using recycled materials.

A project focused on a quick and easy construction taking into account the subsequent reuse of all the elements used.

CNY70 reflective sensor is an infrared sersor allowing alteration of an analog electrical signal depending on the amount of infrared light that is reflected by

In almost all design assemblies the use of subjection parts is imperative, the correct selection of this elements highly affect the process of manufacture and real world assembly. Thinking in a low costs, highly maintainable, standard desing could be the diference between a failure and a succes project.

This is a little Free Library of common subjection parts that can be used in any project.

First Development Publication