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AN2042 - PSoC® 1 - Multifunctional Optical Sensor | Cypress Semiconductor

AN2042 - PSoC® 1 - Multifunctional Optical Sensor

Last Updated: 
Jan 29, 2018

AN2042 explains how to design applications with optical sensors. The application note elaborates on the sensor flowchart and gives a step by step procedure to implement the sensor flowchart inside PSoC.


Optical sensors, which are based on detection of light beam interruption, are widely used in practice. These sensors are installed in automatic door opening systems in the shops, garages and private apartments. They are used in a variety of applications. Identifying unauthorized object access, measuring liquid level in tanks, position of the movable part are few of those examples.

Multifunctional Optical Sensor Diagram








Example Project

Supported H/W and S/W Supported PSoC1 Devices
PSoC Designer Version H/W Kit CY8C20xxx CY8C21xxx CY8C22xxx CY8C23xxx CY8C24xxx CY8C27xxx CY8C28xxx CY8C29xxx
Yes 5.1 CY3250 Pod with external board           x43   x66