Navegando por Autor "Barbosa, Bartolomeu Hebert Pereira de Sá"

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Computador de bordo para bicicleta alimentado com alternador
(2019-11-29) Barbosa, Bartolomeu Hebert Pereira de Sá; Silva, Gilberto Andrade da; Silva, Gilberto Andrade da; Sampaio, Ricardo Brandão; Rodrigues, Marlos André Silva
This paper presents a proposal for an onboard computer embedded in a bicycle. The embedded system is responsible for measuring the following bicycle parameters: speed, total mileage and caloric expenditure. The design of the onboard computer is disposed of ESP32 microprocessor, HALL effect sensor and application installed on the mobile phone. In addition, a magnet will be implanted in the rim of the tire for the magnetic sensor to be read. The on-board computer will also have a system capable of recharging the battery, being composed of dynamo and a voltage and current controller circuit that will recharge the battery. In this way, when the user starts a bicycle race, he / she will be able to see in the application installed in the cell phone the speed variables and the total mileage, besides the caloric expenditure, having a system with rechargeable battery during his activities on the bicycle.