SENSOR NODE AND SENSOR NETWORK

PROBLEM TO BE SOLVED: To provide a sensor node capable of automatically discriminating the type of an attached sensor with a simple structure without making it necessary to prepare any special substrate for specifying a sensor node for each sensor type and a sensor network having the sensor node.SOLUTION: A sensor node includes: a sensor part having a sensor for measuring physical quantity and a discrimination circuit for outputting an analog signal for specifying the type of the sensor; and a control part having a power source for supplying a power to the sensor and the discrimination circuit of each sensor part, a first input part for receiving the analog signal output from the discrimination circuit, a second input part for receiving the data signal of the physical quantity, and an information processor for specifying the sensor on the basis of the received analog signal, and for associating the received data signal with the measurement data of the specified sensor.