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https://github.com/myhauntedforest/picotalk-reverse-engineering

Reverse engineering the PicoTalk for its servo positions
https://github.com/myhauntedforest/picotalk-reverse-engineering

arduino picotalk

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Reverse engineering the PicoTalk for its servo positions

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# HB-5APP Skull / PicoTalk Reverse Engineering
For one of our props, we wanted to have a more realistic mouth, eye, and head animations for the [HB-5APP Skull](https://www.frightprops.com/talking-skull-with-mouth-and-eye-movement.html). Each skull has a [PicoTalk](https://www.frightideas.com/picotalk-3.html) control board in it. Our goal was to control the servos in the skull directly, without the PicoTalk, but we didn't know what servo values were being sent. In a afternoon we wrote some quick code to find those values per servo.

## The Servo Values
These values are used in conjunction with the [Arduino](https://www.arduino.cc/) servo library using `servo.writeMicroseconds(ms)`

| Servo Name | Position Min | Position Max |
|------------ |-------------- |-------------- |
| Eyes | 1368 | 1696 |
| Head | 1008 | 2012 |
| Mouth | 1328 | 1584 |