Wireless Data Acquisition System Using LabVIEW

Abstract

It is likely to acquire data wirelessly and eliminating the system from cabling complexity. The replacement of cabling connection between a data acquisition system and the data processing unit with wireless connection makes the system very much flexible and mobile. The whole Wireless System incorporates the transmitter, receiver and GUI(PC) system. Transmitter module contains the sensors and senses the data and send it to the receiver module by wireless means. Different wireless technologies can be incorporated according to the range, data rate and efficiency. At the receiver module, data is received and then send to the PC for data analyzing.

Here it is assumed that the data are available from transmitter module to the receiver. So the sensors are directly connected through wires to the receiver module. And from PC the data are monitored wirelessly on phone and web page. The aimed computational platform is PIC microcontroller at the receiver module. To monitor the parameters like temperature, barometric pressure and altitude, pressure sensor and CO2 sensor to monitor CO2 concentration in air is directly connected to the receiver module.

Microcontroller sends these four parameters' data to the data processing unit (PC) through UART serial communication and the received data is analyzed, stored, controlled and displayed by the graphical programming platform implemented using LabVIEW through VISA serial communication which will carry real time processing and display. LabVIEW provides the Data Dashboard application through which the same four parameters will be monitored in the android based device remotely in the same connected wireless network. Also the same system is monitored remotely from different PC or smart phone in web browser using Web publishing tool in the same local network.