Category Archives: Multicopter

F1, F3, F4 and F7 Flight Controller Differences Explained

When choosing flight controllers, the term “F1”, “F3”, “F4” and “F7” pop up all the time. These are currently the most common types of processor used in flight controllers. In this article we will look closely at each, explain the differences between them and help you decide which best suits your needs.

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Flash Frsky Receiver Firmware – R-XSR, XSR, X4R, XM+, D4R

In this article we will show you how to flash/update firmware on your Frsky receivers such as D4R-II, X4R-SB, XSR and XM+. This is useful when you have mismatched firmware that prevents you from binding, or you might simply want to update to the latest firmware version.

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Mini Quad: 3S, 4S Setups Comparison and Migration

In this post we will have a look at the differences of mini quads running 3S and 4S lipo batteries. Many who are building their first mini quad might struggle in deciding which setup is best for them, I hope this post can answer some of those questions. I will also talk about how to move from a 3S mini-quad setup to a 4S setup, as I have been asked by FPV’ers who are looking for more power and speed.

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