Field Transmitter with Bluetooth Connectivity Powered From 4-20mA Current Loop

Abstract: The field transmitter with Bluetooth connectivity powered from 4-20mAcurrent loop is the automated system in order to measure the humidity and temperature and to power the Bluetooth with the help of the current being produced from the sensor. And the sensed signal such as humidity and temperature is being shown with the help of PC or Mobile phones by Bluetooth. The sensor being used is DHT11 sensor (humidity integrated with temperature sensor). This is a digital sensor. This sensor senses the signal in which the digital signal is converted into analog (4-20mA) format with the help of D to A converter and the current is being stored in the battery and then it powers the Bluetooth then the sensed values are monitored with the help of PC or mobile phones. These are programmed with the help of arduino.

Keywords: Arduino UNO, DHT 11 sensor, Bluetooth, Humidity and temperature, PC or mobile phones

Edition: Volume 6 Issue 4, April 2017,

Pages: 381 - 384

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Field Transmitter with Bluetooth Connectivity Powered From 4-20mA Current Loop

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