Speech Controlled Quadropod




This is my first post on Instructables and I am super excited to share my knowledge!

My original robot post is here: Spryo SpoonTail which is just my robot showing some tricks but with a tethered control.

In this Instructable I am going to show you how to make a quadrapod of your own and using speech recognition via bluetooth to control your bot.

Gotta thank Oddbot for introducing me to robotics and helping me on a lot of projects. I am gonna reference his Instructable in certain stages to make this one shorter (with his permission ofcourse!).Speech Controlled Quadropod




Step 1: Understanding The Project

This project is not simple, in fact if you haven’t worked with Arduino and python, this project would be quite challenging, but trust me the end product is completely worth it. Additionally, you will discover how simple and powerful both Arduino and python really are.

It is worth mentioning that the main reason I am making this Instructable is to show that remote control via Bluetooth using speech recognition is quite possible and ain’t that hard. Also if you already have a robot of your own or even an RC car you have hacked, you can use this tutorial just for the speech recognition – control part.
Acknowledgements:

Step 2: Getting Started

Hardware Required:

 

Software Required:

  • Arduino – programming the quadropod
  • Python 3.4 – communication
  • Eclipse or Geany – python interface
  • Bitvoicer ($5) – speech recognition or Google Speech Recognition via python (free but involves more coding)

 

Skills Recommended:

  • Arduino knowledge
  • Python language
  • Patience (a lot required)

Note:I am not advertising anything here, I am just linking you the products that I have used for my project, you are free to use tools/software/products of your liking or even make some on your own (think 3D printing).

Step 3: Chassis Assembly

If you choose to use your own robot like an RC car, teddy bear or even a home automation device, feel free to skip this step.

Remember Oddbot who I mentioned before? He’s basically my virtual mentor. What you are going to do now is follow steps 1 to 7 from his Instructable – Playful Puppy Robot or you could use this PDF Manual to assemble to chassis of the quadrapod.

That’s it for this step.

Step 4: Wiring

Lets connect the servos first, they go in like this:

  • Front Left Hip servo – pin 46
  • Front Right Hip servo – pin 52
  • Rear Left Hip servo – pin 28
  • Rear Right Hip servo – pin 13
  • Front Left Knee servo – pin 47
  • Front Right Knee servo – pin 53
  • Rear Left Knee servo – pin 29
  • Rear Right Knee servo – pin 12

Note: The servos can be connected to which ever pins you find convenient, you just have to change the code to correspond to that changed pin.

Then the HC-06 bluetooth module (figure 4):

  • GND – GND
  • VCC – +5V
  • TXD – RX0 / D0 (Signal)
  • RXD – TX0 / D1 (Signal)

Figure 1: Shows the layout of the majestic DAGU Spider Board (note I drew the GND, 5V and Signal regions on the board for those of you who are slightly lazy to go through the manuals which I anyway really really recommend you to do).Speech Controlled Quadropod Schematic

Figure 2: Shows the splendid HC 06 Bluetooth module which will be our “RC” for this project. For this specific project, we will only be using the module to receive messages.

Figure 3: Wiring of the HC 06 to an Arduino UNO (in cause you just want to test it with an UNO or similar board for your specific project).

Figure 4: Plugging the HC 06 module to the Spider Board (GND and VCC connections are upto you as long as they are in that same line).

Figure 5: What it should kind of look like with everything plugged it (don’t worry about the shinny two ‘eyes’ in the front part of my bot, its just for show, and the servo on the back is for controlling his tail but the tail broke 🙁 will fix it soon).

 

For more detail: Speech Controlled Quadropod




This Post / Project can also be found using search terms:

  • automation based projects using robotics
  • robotics automation projects
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