31 Oct '14, 11pm

Scare off Squirrels and Tweet about It with the Jack-O’-Lantern Warning System

Scare off Squirrels and Tweet about It with the Jack-O’-Lantern Warning System

[Stephpalm] had carved a pumpkin for the first time in two decades. Unfortunately, the neighborhood squirrels were all too pleased with her work and devoured it. Her original goal for the jack-o’-lantern was to have its lights controlled over the internet. These hungry critters inspired another project instead – The Jack-’o’-Lantern Squirrel Early Warning System . There have been hacks that have dealt with pesky squirrels before, such as a trap and an automatic water turret , but they didn’t have the ability to post to social media like this system does. The system consists of a Spark Core , a passive infrared (PIR) senso r, and a piezo buzzer. When the motion sensor is triggered the buzzer sounds, scaring away any peckish creatures lurking nearby. [Stephpalm] used an NPN transistor and 1k-Ohm resistor to provide enough current to drive the buzzer. All of these components ...

Full article: http://hackaday.com/2014/10/31/scare-off-squirrels-and-tw...

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