Stand-Alone Data Logger System

Ooi , Kin Yew (2009) Stand-Alone Data Logger System. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

A data logger system is widely used in various fields to log data of variable parameters such as power signal, temperature and many more. It is generally used to store and accumulate data received from a particular data source. The importance of data logger is as a recording device for creating a time-sequence history of events for a subjected parameter. In this report, the primary focus would be on the acquisition and logging of data signal. Nowadays, a data logger system is commonly directly interfaced to a PC or a server via sophisticated technology such as wireless Bluetooth which could be quite costly. Hence, the Stand-alone Data Logger System could be used as an alternative for a cheaper option. This system comprises a data acquisition circuit with an interface between data input and microcontroller and also the transfer of data from the microcontroller to the SD/MMC card via SPI mode communication. Besides, being a stand-alone system, the portability of this device allows data to be logged at any given time and location by utilizing the SD/MMC card capability to store data making it less time consuming. The expected result of the project would be a reliable and fully functional user-friendly signal data logging system with the ability to log data signal input for future references.

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