Another key technology in the Internet of Things - where everyday objects are endowed with Internet connectivity - is sensors. In fact we've seen the most activity sofar in the Internet of Things from sensor data. So in this post we explore how mobile phones and sensors are mixing; and what to expect in 2012.
RWW's Mobile Web Meets Internet of ThingsSeries: 1.Mobile Apps For Barcode Scanning
2.iPhone as RFID Tag & Reader
3.Sensors & Mobile Phones
4.Mobile Phone as Proximity Sensor
Last year we wrote a lot about sensors and discovered that thereare two common scenarios for sensors + mobile phones:
1) Everyday objects with sensors pumping out data on things like temperature, noise and activity; the mobile phone reads and analyzes thisdata.
2) The phone is used as a sensor itself. For example the iPhone has a built-in accelerometer, which is basically a motion detector. This is used for game control and also for re-sizing youriPhone display from portrait to landscape. The iPhone also has a microphone (which can be used as a noise sensor), a proximity sensor, and an ambient light sensor.
iPhone as Sensor
A goodexample of scenario 2 is WideNoise, an iPhone application that samples decibel noise levels and displays the data on an interactive map. WideNoise is essentially a sound sensor, using the iPhone'smicrophone.
You can take a sound reading on WideNoise and, if you so desire, share that with the community. I must admit that I haven't found too much practical use for this app yet. However one of theuse cases cited is checking it when house-hunting, to assess the average noise levels of the neighborhood. It's one of those apps that will become more useful the more data is added to it by the...