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SLAA283B–December 2005–Revised May 2015
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Ultra-Low-Power Motion Detection Using the MSP430F2013
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Application Report
SLAA283B–December 2005–Revised May 2015
Ultra-Low-Power Motion Detection Using the
MSP430F2013
ZackAlbus.......................................................................................................... MSP430Applications
ABSTRACT
Motion detection using pyroelectric passive infrared (PIR) sensor elements is a common method used for
such applications. An implementation of such a system using the 16-bit Sigma-Delta ADC integrated into
the MSP430F2013 to detect motion is presented in this application report.
Design information and related software can be downloaded from http://www.ti.com/lit/zip/slaa283.
Contents
1 Hardware Design ............................................................................................................ 2
2 Software Design ............................................................................................................. 4
3 Summary...................................................................................................................... 5
4 References ................................................................................................................... 5
List of Figures
1 MSP430F2013 Motion Detection System ................................................................................ 2
2 PIR Sensor Output and Signal Conditioning............................................................................. 3
3 Motion Detection Software Flowchart..................................................................................... 4
List of Tables
1 Typical System Power Budget (Over 1 second)......................................................................... 5
