This paper presents the design and experimental characterization of a portable high-
precision single-phase lock-in instrument with phase adjustment. The core consists of an …

Some people with severe disabilities are confined in a state in which communication is
virtually impossible, being reduced to communicating with their eyes or using sophisticated …

In this work, a new and low-cost Arduino-Based Data Acquisition System (ABDAS) for use in
an aerodynamics lab is developed. Its design is simple and reliable. The accuracy of the …

In this article we present a new low-cost physiological signal acquisition platform in
compliance with Open-Source Hardware philosophy. The device contains an …

Digital image processing is the use of computer algorithms to improve image quality, to
extract or add information. Image compression is a part of image processing and is used to …

Electrical engineering education requires the development of the specific ability and skills to
address the design and assembly of practical electronic circuits, as well as the use of …

This paper presents the development of a virtual rehabilitation game and mental load with
different difficulty blocks. The game was controlled with body tracking and physiological …

The correct diagnosis of high blood pressure is important to avoid cardiovascular diseases.
In this work, we propose a low-cost noninvasive blood-pressure measurement unit …

In this work, music is used to elicit emotions and the impact produced by it on the
electrocardiogram and electroencephalogram signals is measured. Test consists a …

People with autism spectrum disorder (ASD) have great difficulties in social interaction and
in the management of personal and other people's emotions. This work aimed at developing …