Sunday, January 19, 2014

First attempt

We got the stuff from www.hobbyfly.com, a Danish RC shop.

I got the following:
1 x LiPo Safe brændsikker pose (lille)
1 x Hobbyfly / Maxxtrax 680 AC/DC 12/220V 80 Watt Lader
4 x EMP C2836/10-KV880
1 x Dynam Quadkopter 550 Carbon
4 x Pentium ESC 25A m. BEC
2 x EVO 11.1V 4200mAh 35/70/5C Li-Po batteri - Dean(T)
1 x Futaba 6J 2.4GHz senderanlæg m. R2006GS 6 ch. modtager
2 x APC 12x3.8SF
2 x APC 12x3.8SFP

I already had the computer equipment:
Arduino MEGA
AdaFruit GPS Shield
iteadstudio Bluetooth Shield
GY-521 MPU6050 Acc/Gyro

See setup in the following video


I was hoping to build the software my self, but I quickly realized that it was a difficult task to get the information from the MPU converted to some useful motor throttle levels.

Then I started to see what was on the open source scene. There was quite a lot. ArduCopter and MegaPirateNG just to mention the most popular ones. But I had a difficult time figuring out how to set it up for my Arduino MEGA - and I had to use a special Arduino IDE for both of them. That I didn't like much.
I even went out and bought a ARM 1 board, but never got it to work with the manager.

Then I found www.multiwii.com which was just what I was looking for. I could use the official Arduino IDE and I would run on my Arduino MEGA. And must of my electronic is supported. I am using version 2.3

I have not got it to fly yet, but more about that in another post.

I also got a MPX4115A, pressure sensor and a UltraSonic SDM-IO range finder. These are not yet supported by MultiWii, but I will work on these and make posts when that happens.

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