2011
DOI: 10.1590/s0100-40422011000100025
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Um sistema microcontrolado para o monitoramento on-line, in situ e remoto de pH, condutividade e temperatura de águas

Abstract: WAY. A portable microcontrolled system is proposed to monitor conductivity, temperature and pH in on-line, in situ and remote way from a water reservoir faraway 200 m. The system comprises two modules: one for data reception (located in laboratory) and another for data acquisition/transmission (located near water reservoir). It uses a microcontroller and a transceiver to remote data transmission/reception by radio frequency. Variations of water parameters were simultaneously monitored without interruption duri… Show more

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Cited by 7 publications
(8 citation statements)
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References 7 publications
(8 reference statements)
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“…In a previous work it was described the program written in C language, the processing of experimental data 14,19 and a few details on the use of the microcontroller as CPU. 20 In this present work, a full electronic circuit of turbidimeter with a microcontroller to thermal compensation for in situ sulfate determination was developed.…”
Section: Development Of the Microcontrolled Turbidimeter With Temperamentioning
confidence: 99%
See 1 more Smart Citation
“…In a previous work it was described the program written in C language, the processing of experimental data 14,19 and a few details on the use of the microcontroller as CPU. 20 In this present work, a full electronic circuit of turbidimeter with a microcontroller to thermal compensation for in situ sulfate determination was developed.…”
Section: Development Of the Microcontrolled Turbidimeter With Temperamentioning
confidence: 99%
“…13 Because of these features, microcontrollers are employed as CPU in portable device such as digital cameras, cellular phones, audio devices, and analytical instruments. Microcontrollers are used for sensing on physico-chemical 14 and biological parameters; 15 and they are also applied to the fields of computer sciences and electrical engineering. 16 Microcontrollers have been used for a range of applications including chemistry mainly due to the low cost and fast analysis time provided by these devices and the possibility to develop miniaturized system because of their small size, low power consumption and multi-functionality.…”
Section: Introductionmentioning
confidence: 99%
“…operator. In research area, remote monitoring systems have been used in various fields of science [5]. Monitoring becomes an important tool for evaluating system reliability in power generation.…”
Section: Introductionmentioning
confidence: 99%
“…Microcontroladores do tipo PIC (Programmable Interrupt Controller), são dispositivos de configuração simples, de baixo custo e portáteis, 8 que permitem a automatização dos sistemas de análises sem a necessidade de um microcomputador. Com o dispositivo PIC 16F877 com conversor interno A/D de 10 bits EEPROM é possível transferir e armazenar os resultados analíticos para um computador através de uma saída serial, podendo também este ser lido diretamente na tela de um LCD (Liquid Crystal Display).…”
Section: Introductionunclassified