Tag Archives: gyro

Self-Balancing Robot First Step:The Interaction

Here is the first step in making of Self Balancing Robot. In this step i worked on Bluetooth & Serial Communication.
Communication scheme:
N95 (Bluetooth)—> PC —–( Serial)—-> Arduino
I used the same motor driver shield which i already made back in Narduino Project.
If you havent heard about Narduino Shield and its simple design done on veroboard click here to see it and its circuit diagram.
After the Narduino shield properly connected to motor wires and the supply connection ,  it is time to talk about coding…
Here below , i shared all the codes used in the project.
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Self-Balancing robot project starts!

I just had an idea yesterday that can get me to make a self-balancing robot without buying any expensive electronic components.
You know last summer i made a cellphone controlled RC Car which had a tabletpc onboard to get commands via bluetooth.That time , having an onboard tabletpc , save me from buying a bluetooth chip which costs about 60$.This time, to make a self-balancing robot i’ll have to have whether an Accelerometer or a MEMS Gyro to track rotation of the robot.
Those sensors are pretty expensive too.So i’m thinkin about putting my n95 smartphone onto the robot.As i have Accelerometer on the smartphone i can use it to measure rotation movement of the robot.

I tried to explain how it is going to work in the photo.

And the finished robot will look something like this: