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Digital Gyro with Arduino

A gyroscope is a device for measuring or maintaining orientation, based on the principles of angular momentum. It measures degrees per seconds of angular rotation in the particular axis. The gyro used is the "Hobby King 401B AVCS Digital Head Lock Gyro" from Hobbyking! It is a single axis gyro which is normally used in aerial vehicles to compensate for unwanted tilting of the vehicle.

There are 2 inputs to the gyro apart from the signal and the ground. One of them has to be given a PWM or PPM and the other input has to be kept high to activate the gyro. I have tested my gyro with a 2.4 GHz radio. Connect the input to one of the channel and the extra activating pin to the other channel. Then connect the output to a standard hobby servo and you can see the deflection of the servo arm as you rotate the gyro in that axis.

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Digital Gyro


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