The animatronic Tiki uses a PIR motion sensor to trigger a entertaining show by the talking Tiki twins.
It is Arts & Crafts project on steroids with an electronics driven personality.
An Arduino Mega drives the 3 servos, relays, LEDs, LCD message board, and WTV020 sound module for your Polynesian pleasure, of moving eyes, telling jokes, and playing music & sound bytes from 45 seconds to 3 minutes in length.There are 20+ programmed routines, and enough tracks to last 24 hours without a repeat.
Photos of the project's front, back, and inside electronics are shown. The bones are real LCD message board displays all kinds of tips for dealing with Tikis.
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Videos of the Tiki centerpiece can be seen here:
The Tiki 's Introduce themselves and their short story