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This paper puts forward greenhouse wireless sensor network monitoring system design based on solar energy. It transmits data through wireless receiving and sending equipment without setting up electric wiring. The system structure is simple, which saves the manpower and material resources. The monitoring and management center can control the temperature and humidity of the greenhouse, measure the carbon dioxide content, collect the information about intensity of illumination, monitor and control the pictures. In this way, then no manpower will be needed. Compared with ordinary wireless technology, this system design consumes less energy, costs less money and has large internet capacity. The sensor nodes receive the solar energy and supply it to the wireless sensor network. This system adopts MSP430 MCU with super low energy consumption and network transmitting chip nRF24L01 with low energy consumption to reduce system consumption as much as possible. What’s more, this system adopts multilevel energy memory. It combines energy management with energy transfer, which makes the energy collected by solar energy batteries be used reasonably. Therefore, the self-managing energy supply system will be established, and the wireless nodes will receive permanent power supply and the wireless sensor network can be used without limitations.
Challenges in Environmental Science and Computer Engineering (CESCE), 2010 International Conference on (Volume:2 )
Date of Conference: 6-7 March 2010