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Libre Mechanics it’s an Open Knowledge project created to offer a useful platform of information related with the development and research of Mechanical Engineering themes and similar fields, higly related with the use of Open Source and Software Libre tools. Here you will find a wide variety of projects, publications and scientific material available as references for developing their own projects, also guides and tutorials that allow you to take advantage of free software tools available today.
The four principal lines of work are:
You can find all the data and resources on the Source Forge page.

OZER Hexapod V-0.1 Open-Hardware, modular 3D printed robot using Raspberry Pi

OZER is a work in progress to develop a totally functional hexapod for exploring functions on unstructured terrains. Keeping as main objectives the development of a low cost, easy to construct, assemble and operate structure which allows the reconfiguring of the platform for new uses.

Raspberry Pi: Configuring SSH, VNC and Camera Module Streaming

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:

3D printed 9 mm Chamber Safety Flag for Glock handgun

Even if a gun doesn't have a magazine it could still have a bullet in the chamber and it is potentially dangerous, there is no indication in most guns to check if there is a live round on the gun, the user must then operate the gun in order to make sure is safe. Remember to always perform multiple safety checks on any gun you need to handle.

A Chamber Safety Flag is a tool which indicates that a weapon is unloaded and is safe to manipulate, it allow anyone who sees the gun to know that the gun has no live round and unable load and shoot.

Arduino with RF module, custom data transmission.

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.