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The Accurate measurement and analysis of pH data is necessary for a multitude of applications ranging from agriculture sector to clinical laboratories. Preferably an inexpensive hand-held unit is needed for these applications. This paper presents the modeling of embedded systems for measurement of pH using 8051 microcontroller. In Battery operated embedded systems, power saving is most important thing. We require to measure power consumption of embedded system. For that purpose in this project, we can measure current taken by each and every module by using DMM. Integrated solutions, involving power awareness at all levels (from the application, OS, and compiler level, down to memory and processor hardware resources), is another trend that is the outcome of chip-level power and temperature limits.
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