The work described here aimed at the design of an inductive heating oven using a new methodology, by using a natural oscillating circuit that, by means of an induction coil, generates the magnetic field that will heat the ...

Robotics is an attractive and motivating tool for students of any level. Using robots in education can help to arouse students’ interest in many subjects. This work presents the development and implementation of an educational ...

This work demonstrates the potential for application of negative curvature hollow core fibers (HC-NCF) as efficient sensors to monitor three gases simultaneously, methane (CH4), carbon monoxide (CO) and nitrogen monoxide ...

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With the emergence of global positioning systems (GPS), several applications could be designed based on location services, logistics chains, games, agriculture, business, security, among other applications. In this way, ...

This project consists of the design and assembly of an amplifier circuit to work as part of a Langmuir probe that will be used at the university environment for the study and characterization of plasmas. Simulations were ...

This paper describes the design and construction of tube audio preamps for vinyl record playback and tone control. The phono preamp is designed to correct the RIAA recording curve present on vinyl records. The two band ...

In this paper, was developed the project of an audio amplifier of 5.1 channels in order to use as a home theater. The amplifiers are all constructed in printed circuit boards, using audio transistors. Initially, was ...

The search for alternative sources of energy is a recurring theme in research due to the growth of world energy demand. The development of energy harvesting techniques and devices is required. This work focused on studying ...