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Diseño de un voltímetro y un frecuencímetro integrados implementados en el microcontrolador pic16f877

2006; Volume: 3; Issue: 32 Linguagem: Inglês

10.22517/23447214.6231

2344-7214

O Jimmy Alexander Cortés, Andrew Murray Knott, O José Andrés Chaves,

Sensor Technology and Measurement Systems

The determination of values such as: frequency, peak amplitude, average value and root mean square of periodic signals is a recurrent activity in the measurement of electrical variables; a fact that is directly related to the cost of equipment that performs these measurements as the cost of such equipment increases as a function of variables such as: bandwidth, insulation level and calculation speed. For these reasons, an economical design is proposed which takes advantage of benefits offered by the PIC16F877 microcontroller, such as: - Ease of analog to digital conversion for later treatment - Simplicity of serial interface to PC systems.