Build a wise cracking skull to MC your Halloween costume party. This project uses a Raspberry Pi 5 paired with a NoIR PiCamera and speaker bonnet. The Pi runs a Python script with OpenCV person detection. When a person crosses paths with the skull, a picture is sent to Claude with a prompt requesting a kind hearted corny dad joke about the person's Halloween costume. The returned joke is sent through Piper text to speech and played through a speaker attached to the speaker bonnet.
All of the electronics mount to the back of a 3D printed skull plate. A back plate with M3-sized standoffs encloses the build and helps it stand upright.
Page last edited October 31, 2025
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