Assembling the frame
The assembly of the drone frame requires a lot of patience and you are once again advised to follow the instruction manual when doing it for the first time. For reference, in this book, we will assemble a drone frame from HobbyKing (S500). Inside the box, you will get the items displayed in the following picture:

These items are listed here:
- Four frame arms (two blue and two black, if you buy the blue color)
- Four leg plates
- Two rods for the base mount
- One top plate
- One bottom plate for mounting the power lines
- And a lot of screws
Firstly, see the following figure and connect the parts as shown here:

Use a proper screwdriver to tighten the screws. Do not keep any screws untightened or tilted.
Let's connect the motors now.
Connecting the motors
To connect the motors, you need to place the motor on the frame arm and attach the screws, as shown in the following figure, making sure you tighten the screws as much as you can, without breaking the frame arm:

The BLDC has three wires coming...