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MAXQ3210 for light-beam alarm system

Posted: 09 Jan 2009     Print Version  Bookmark and Share

Keywords:alarm system  MAXQ3210  photoelectric sensor 

This application note by Maxim demonstrates an alarm system that uses the MAXQ3210 RISC MCU and an external photoelectric sensor as the alarm trigger. When the light beam is interrupted, a loud audio alarm sounds. Various photoelectric sensing modes and performance parameters are discussed. The assembly language source code and PCB Gerber files are available.

A commercially available, photoelectric light-sensor module is the input to the alarm system. There are numerous types of light sensors available; some issues relevant to selecting the best sensor for an application are discussed in this document. A small, commercially available wall-transformer power supply powers this system.

View the PDF document for more information.





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