Category: Health Care∨g=

Sonar Collar for Blind Dogs

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Sonar Collar for Blind Dogs features a collar intended for use with visually impaired canines. An ultrasonic sensor hangs below the collar and senses when an object is close and emits an audible beep warning the dog that they should precede with caution. The overall design makes it so that the dog is not uncomfortable wearing the device and it doesn't impede their movement.

Technical Specifications: 

Step 1: Parts. You will need:

  • An Arduino (the author used an UNO) with i2c capabilities
  • A small speaker
  • Male header pins
  • PCB
  • NXT Sonar Sensor
  • NXT Wire connector
  • 9v Battery
  • External Power for the Arduino (there are many options to use)
  • Dog Collar
  • Hot glue gun
  • Soldering Iron

Step 2: Hardware Assembly. The first step requires the client to breadboard everything to make sure it's all functioning properly. The first step is to strip one end of the NXT wire to expose the 6 colored wires. Connect them as follows or use the diagram provided.

  • White +9V
  • Black GND
  • Red GND
  • Green +5V
  • Yellow SCL and clockPin(12)
  • Blue SDA
  • Speaker GND and 13

Step 3: Software. The first step to getting the program to work is to open a new text document and paste the following: Next open up the Arduino software and create a new program with the following code:

Step 4: The PCB.

Now is the time where you've tested everything and it's time to put it into a more permanent state. Start by soldering the male header pins in a way that the PCB can easily clip onto the Arduino. Take your time soldering in the connections making sure that you don't create any short circuits. After you have soldered the main connections together cover the more flimsy connections to the wires with hot glue. After this, hot glue the speaker to the top and solder those wires into place. Refer to the pictures for a better understanding of what is should roughly look like.

Step 5: Mounting the Sensor. Before proceeding have a look at the collar and decide the best way to attach the sensor for the height and comfort-ability of your dog. I ended up hot-gluing the sensor so that gravity would always keep the sensor pointed forward no matter what. When you've mounted the sensor, attach the rest of the system to the collar making sure to leave room for the dog's head to be inserted and removed from the collar. At this point, you should have a fully functional sonar collar for your dog and after hooking up the external power supply so that free movement is able for your dog.

Author: searx

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Price: 
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as of: 
07/29/2016
Seller(s): 
Sonar Collar for Blind Dogs