Friday, 12 April 2013

Rebooting the project

In 2011, I began a quadcopter project which never quite got off the ground. Actually it did get off the ground, but it wasn't stable. I was attempting to design the control system from scratch using an Arduino Duemilanove as the controller and an early model Sparkfun Razor IMU for sensors.

There were many problems. One of the most important ones was that the Razor firmware only outputed attitude data at 50Hz, which is far too slow for a quadcopter. Even if I had been able to speed up the firmware, there were doubts that the UART connection between the Razor and the Duemilanove would be fast enough to transmit the data (most quadcopter systems read sensor data through I2C, not UART).

We're going to give the project another try, this time with more realistic goals. This time, instead of trying to program the controller from scratch, we're going to try to get it flying using off-the-shelf open source software. We will then use that as a foundation for future modifications.

We'll be using some parts from the old project:
And a new control/sensors board, and frame:
We'll post a full list of parts used after assembly is complete.
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11 comments:

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