Virtual instruments let the user define custom measurement approaches to cope with
specific goals. The use of virtual instruments also raises an important issue, which concerns …

This paper presents the development of a prototype of a system for remote data acquisition
of environmental variables in the Amazon forest. The system performs all the functions of a …

The continuous search for enhanced performance of communications systems, in terms of
increased data rate, higher noise immunity, and spectral efficiency, has led the academy to …

This paper presents the development of a solar irradiance datalogger a low-cost alternative
compared to proprietary solutions. The sensor was built with open hardware and software …

Nowadays, computational tools are indispensable in the design of electronic circuits due to
the increase in complexity of electronic circuits and the need to manage large amounts of …

The top-down methodology and CAD tools are important in the development of electronic
circuits. Mainly when the design is in high level of abstraction and many levels of …