Configuring the quadcopter

Let's configure our quadcopter. Before going any further with the configuration, remove all the propellers of your drone. It can be dangerous if the propellers are connected. Connect the USB cable to the ArduPilot and connect it to your computer. Open APM Planner and go to the Initial Setup tab. Remember, you need to disconnect the connection before going to the Initial Setup tab or you might see some errors (especially when installing new firmware). You will see the options, as shown the following screenshot:

Firstly, we are going to install the firmware, which is the most important work for configuring the ArduPilot:

1. Disconnect the connection between the ArduPilot and your computer by clicking the Disconnect button but keep the USB cable connected.
2. Click on Install Firmware from the left-hand side. You will be shown several types of drones.
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