Design of Wireless Sensor Node and Time Contoured Control Scheme for a Composting Process

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This paper presents the design of wireless sensor node and a time contoured control scheme for a composting process. The electronic system is designed using Texas Instruments ultra low powered MSP430 micro-controller chip and Cypress semiconductors CYWM6935, 2.4 GHz wireless module. The software makes appropriate use of low power modes of the processor to keep power consumption minimal. The objective is to control temperature of the composting process at desired level and simultaneously monitor it remotely.