Tag: servo

Moving dildo with motor driven skeleton

September 1, 2016 in 3d printing, Arduino, case design, DIY, how-to, molding, programming, sextech, vibrator design

So far we have used vibration motors for our sex toys. Vibration motors are cheap, powerful, easy to control and robust actuators. That’s why they are part of most sex toys. But what about moving or touching objects. Obviously we need some mechanics, maybe joints and gears? Or is there a simple option? A skeleton?

I realized the idea for using some type of skeleton for moving a dildo when I saw the video of a naked Pleo – one of the best artificial life forms ever.

On www.thingiverse.com you will find more inspiration for using a skeleton to move something. The design is very simple.

The skeleton is composed of a number of vortexes. The holes are for connecting all vortexes and a servo with a nylon wire or similar.

In addition we need a handle where the vortexes are fastened to. There is also space for a servo. Then use a nylon wire to connect the vortexes with the servo. You can drive the servo with a Arduino development board or you use the body interaction development board as described here.

The servo should turn only 15-30 degree or so. If you use the body interaction development board please copy the following code and upload the code to the board.

#include &lt;TinyServo.h&gt;

// servo control with the body interaction development board using the TinyServo library
// -- adaption of the demo script by
// tylernt@gmail.com's ATTiny Hardware Timer Assisted Servo Library v1.0 20-Nov-13
// http://forum.arduino.cc/index.php?action=dlattach;topic=198337.0;attach=71790

const byte SERVOS = 1; // number of servos is 1
const byte servoPin[SERVOS] = { 7 }; // servo is connected to PA1 which is pin 7
#define SERVO 0 // our servo is given the name &amp;quot;SERVO&amp;quot;

void setup() {
 setupServos();
}

void loop() {
 moveServo(SERVO, 0); // move servo to 0°
 delay(1000);
 moveServo(SERVO, 30); // move servo to 30°
 delay(2000);
}

In addition we need a wrapping for the skeleton. This can be made using these two forms (download STL files).

Use flexible silicone and poor it in the form. The thickness of the wrapping is a bit too large – it rather hinders the skeleton in its movements. But it works!

Now we can put everything together.

Download on Thingiverse: http://www.thingiverse.com/thing:1736282

Tinker with Tinkercad!
Form: https://tinkercad.com/things/e8yscABu9Al
Skeleton: https://tinkercad.com/things/dfbMQsE4Mtl
Servo handle: https://tinkercad.com/things/5EHHrqM5sqC

YouTube: https://youtu.be/F1b8bGbuSHw

Connecting a servo motor – move your vibrator

March 17, 2016 in 3d printing, application, Arduino, how-to, programming, sextech

The body interaction vibrator development board can be connected with additional sensors and actuators. In this post we show how to connect a servo motor. A servo motor can adjust its shaft to be positioned in varies angles. We use a inexpensive SG92R servo which can be positioned in any position between 0° and 180°.

Now we can build eg. a linear actuator which could be useful for sex toys. If you have a 3d printer you can build your linear actuator and fix the servo motor. You can download the design here.

Connecting servo motor and body interaction vibrator development board

The servo motor has 3 wires: ground (-) (black or brown wire), power (+) (red wire) and control (yellow or orange).

Connect the (+) wire to the body interaction board. You can use the pad on the bottom side as shown on the image.

Then turn the board around to the top side. Now you can solder the black wire to the “GND” (ground) pad. Then solder the orange or yellow control wire to the leftmost pad “PA1”.

Programming the servo motor

The standard Arduino servo library will not work on the body interaction board. But you can use the TinyServo library. Download the library as *.zip file here or here and read the forum post.

Go into the Arduino library manager and include the ZIP file. Please restart Arduino.

The following script attaches the servo motor and shows how to control it.

// servo control with the body interaction development board using the TinyServo library
// -- adaption of the demo script by
// tylernt@gmail.com's ATTiny Hardware Timer Assisted Servo Library v1.0 20-Nov-13
// http://forum.arduino.cc/index.php?action=dlattach;topic=198337.0;attach=71790

#include &lt;TinyServo.h&gt;
const byte SERVOS = 1; // number of servos is 1
const byte servoPin[SERVOS] = { 7 }; // servo is connected to PA1 which is pin 7
#define SERVO 0 // our servo is given the name &quot;SERVO&quot;

void setup() {
  setupServos();
}

void loop() {
  delay(1000);
  moveServo(SERVO, 180); // move servo to 180°
  delay(1000);
  moveServo(SERVO, 0); // move servo to 0
  delay(1000);
  for (int i = 0; i &lt;= 180; i++) {
    moveServo(SERVO, i); // move servo from 0° to 180° in 1° steps
    delay(50);
  }
  moveServo(SERVO, 0); // move servo to 0°
  delay(1000);
}