What is the difference between digital and analog sensors?

Digital sensors and Analog sensors are two types of sensor that can be used in environment monitoring. A digital sensor monitor a state, being ‘On’ or ‘Off’ i.e. 1 or 0. An Analog sensor monitors provides a continuous or intermittent (sampled) data stream for analysis. Example of an analog sensor is a temperature or temperature/humidity sensor. An example of a digital sensor would be Power Sensor which is signalling whether a power supply is on or not. A typical analog data sensor is a temperature probe.