Tag Archives: Quadcopter

Quadcopter Scratch Build

As soon as i seen a video of people racing a couple of quadcopters using First Person View (FPV) kits which allow the to fly the quad as if they where sat inside it i knew i needed to get me one. But there was no way i could afford £500-£1000 for a ready made one and where is the fun in getting something ready made.

So i first set out to find what the minimum amount of parts i would need to get started, the main bones of a quad are Frame, 4x Brushless Motors, 4x Propellers, 4x Electronic Speed Controllers (ESC) , Flight Controller, Transmitter/Recevier and battery’s. At first i thought this lot would cost a small fortune until i hit ebay and found i could get

F450 Quad-copter Frame Kit ,£7.09
4x A2212 1000Kv Motors + 4x 10×45 Propellers  ,£20.29
4x Brushless speed controller ESC 30A 40A Burst ,£14.19
CC3D Openpilot Open Source Flight Controller 32 Bit ,£9.24
Turnigy 6X FHSS 2.4ghz Transmitter and Receiver ,£19.14 from hobby king
11.1V 2200mAh Lipo Battery ,£8.46
Total £78.41

Which is very cheap but still a bit much for me and the cheapest transmitter/receiver kit was a bit limited for what i wanted to do. I worked out i could build a frame from bits i have laying about also i could use old laptop battery’s while i getting it working  and i am currently working on something that is using a transceiver that has a line of sight range of up to 15KM  so why not build my own transmitter/receiver using them with a couple of arduino pro mini`s and a couple of RC joysticks i have laid about from a joblot i bought on ebay a few years ago. So now the cost of getting started is down to £43.72 + a bit more work but once again thats part of the fun

Now i had a few hours spare this weekend and i just wanted to get motors turning so i sat down with some blu-tack and PVC tape and stuck everything to the side of my pc that has been off so i could clean inside it and this is what i ended up with below.

This is the test of the controls

and a quick test of the Gyro, Accelerometer and Compass