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Talking Animatronic Robot Head

Step 3The Spotlight

The Spotlight
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The spotlight is more than just for illumination.  Because I can control its on/off position via programming, I can also use it to augment a routine.  For example, if I want to include the sound of thunder in a routine, I can also flash this light on and off to mimic lightening.  Although I generally have it come on at the beginning of a routine, sometimes I turn it off or flash it for effect.

The spotlight is made from a cheap clamp-on light which I tore apart and attached to a piece of "mystery metal" I found in my shop.  At the other end I attached an angle brace, which allows me to mount the light by sliding this angled bracket into the slot I built above the speakers (shown in the 2nd photo).

This light is controlled by a servo that opens/closes a micro switch that is in the box in the third photo.  I built this switching unit to control the light and one other thing (to be decided in the future).  I could have built this inside the power supply box, however it was sort of an afterthought.  So, I made it removable for packing and traveling.

The switch box mounts on the back of the robot head's base and attaches to a servo control cable that sticks out of the back.

On the back of the unit I've also labeled some of the other connection/control points, including the serial connection (goes to the servo controller from the RAPU), the audio-in port (also connects to the RAPU), the master on/off switch, the main power input (goes to the power supplies), and the exhaust fan.

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Author:knife141
I enjoy taking a pile of junk and making something unusual out of it. I like wheeled vehicles, and currently own two motorcycles, two electric bikes that I've built, and an electric scooter pushed b...
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