Sensors shields to quickly add sensing capabilities to your Arduino
Sparkfun GPS logger shield converts your Arduino board into a wonderful logger board.
Camera shield has a high performance camera processor for your Arduino board.
Adafruit Assembled Data Logging shield for Arduino a data logger that is essential to store data of your projects
Weather Shield provides you information about all the weather elements
Adafruit PN532 is a shield that is for RFID and NFC application
Light and temperature data-logger pack comes with a light and temperature sensor as well as a logger shield
This GPS shield works great with either UNO or Leonardo Arduinos and is designed to log data to an SD card.
NFC Shield V2.0 is best suited for remote communication where there is no contact.
Grove XBee Carrier is a WSN board that can be configured by an on board USB TO UART.
GPS Shield Kit is an effective kit that helps to track and pinpoint a location.