Automatic Cat Flap Monitor #piday #raspberrypi @Raspberry_Pi

Handy project from pleriche on YouTube:

My Raspberry Pi based cat flap monitor detects a foreign cat by the time it takes to come through the cat flap – knowing it’s on foreign territory and looking and sniffing for danger, it takes much longer than our own cat. Hence I can get the Raspberry Pi to play a scary MP3, causing the foreign cat to flee for its life!

Read more and see more on Instructables

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