In this paper, we proposed an infant monitoring system to
reduce the potential risks for sudden infant death syndrome (SIDS). This system
can be used for infants at home or in a hospital nursery room.
The system consists of carbon dioxide - CO2 sensors and active radio frequency identification (RFID) technology. A
commercial metal-oxide based CO2 sensor was chosen and characterized
in sensitivity, selectivity and humidity dependence. A proof-of-concept system,
to be used for two infants in the same room, was designed and assembled.
The RFID transmission was accomplished with a wireless
module at two different operating frequencies. The results are promising. A
method for further practical applications in a large nursery room is also
discussed in details in this paper.
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