The WISP consists of a board with power harvesting circuitry, demodulator, modulator, microcontroller, external sensors, and other components such as EEPROM and LED.
WISPs have been used for light level measurement, acceleration sensing, cold chain monitoring (passive data logging), and cryptography and security applications.
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E. M. Tapia; S. S. Intille & K. Larson (2007). "Portable wireless sensors for object usage sensing in the home: challenges and practicalities". In B. Schiele; A. K. Dey & H. Gellersen (eds.). Ambient intelligence: European conference, AmI 2007, Darmstadt, Germany, November 7-10, 2007 : proceedings. Springer. p. 23. ISBN 978-3-540-76651-3. 978-3-540-76651-3 ↩