We are happy to present Souhad Lawand project.
The project is about building a cat repellant. Look at this youtube video to see it in action.
Description: easy to make cat repellant with use of buzzer, PIR sensor, breadboard, lithium battery and mini usb charging module (all details can be found on instructables)
It is based on this tutorial
To contact Souhad for any reason, please visit his +google page
We are happy to accept projects that help others learn and add to their know how. Please share with us!