Development of WSN system

Hardware used

Main characteristics of the system

Phase 1

Node: TI-MSPTRF6903

SM Sensor: ICT ECH2O

P. Sensor: MPXV70002

・ Limited communication range

・ Communication sensitive to metal fences and electrical power lines

・ 60 kb of node memory

・ Noise in temperature and pressure readings

・ Higher power consumption

Phase 2

Node: MICAz 2.4 GHz

SM Sensor: ICT ECH2O

P. Sensor: MPXV70002

・ Moderate communication range (250 m)

・ Communication interrupted by depressions and crop height

・ 512 kb of node memory

・ Higher power consumption

Phase 3

Node: MICA2 IRIS 2.4 GHz (XM2110CA)

SM Sensor: E240-40761 - 10HS

P. Sensor: MPXV70002

・ Satisfactory communication range (500 m)

・ 3^rd generation tiny wireless platform for smart sensors

・ 512 kb of node memory

・ Low power consumption