Looking to Upgrade FC

[Dre]

Hello,

I could use some help with an upgrade effort. I’m trying to replace my old SP Racing F3 flight controller but I’m not sure which will best interface with my old Flysky FS-i6 transmitter and the new 2.4G FS-RX2A Pro V1 8CH PPM IBUS AFHDS 2A Micro receiver? I’m using a 4-in-1 ESC with a 3S lipo battery. Since I’m new to building a quad, I’d like to keep the cost of the FC under $50 if possible. Any advice is welcome.

Thank you.

 

[wafflejock]

Diatone Mamba EASY F722 MK1 Flight Controller

The Diatone Mamba EASY F722 MK1 Flight Controller features the latest F7 MK1 processing technology, which means you can focus on flying, not on the limits of your equipment. Diatone's Mamba series gives racers an edge in the competition!

www.getfpv.com

^^ should be good and fits in the price range basically any F7 FC has the same processor at the core of it so is just variations on the other components on the board (IMU mainly) and layout of the pins/pads (some have voltage regulators to get output voltage for vtx or cameras or other "peripheral" devices)

Regarding the protocol from the receiver, it is always I think the biggest pain point with setting up betaflight is getting the receiver configuration in there correct and finding the pin to use for receiver input. Basically everything is configurable in betaflight configurator desktop app, so would get that and watch Joshua Bardwell's vids on the latest betaflight or some older ones to get gist of where things are and what you need to configure to get things flying. In general the FC manufacturer will post some "default configuration" you can use and have wiring diagrams to show how to connect things assuming using that default/base configuration but you'll probably want to get into betaflight and tweak/tune some things based on any differences in how your quad flies (depends on frame and power to weight ratio at different RPM and other things, ecalc.ch good site to punch in numbers and get some idea of power consumption and power to weight but is always some guesswork and tuning things by "feel" and/or blackbox logs).

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Regarding the receiver too just need to know the output protocol and that the receiver input on the FC will support it, generally the F7 pins can be reconfigured as inputs/outputs and have various internal timers in the chip tied to different pins (it's very flexible I hear in this regard compared to predecessor F4 or F3 chips, but still would check docs between receiver output and FC input to see if things seem to line up)

 

[wafflejock]

Oh one more thing, if not familiar with soldering small wires onto pads suggest getting "hemostats" for holding wires without burning yourself and always tin both the wire and the pad (cover each with solder first) then cut the soldered part of wire to be a little nub and solder it to the pad to avoid shorts and get a solid connection. Is worth practicing on some throw away little "through hole test boards" or other throwaway components before working on a new FC too.

 

[Dre]

This is IMMENSELY helpful! Thank you for the concise information in plain English. I'm leaning towards a SpeedyBee V2 F7 Flight Controller (30x30). I already have a set of motors, frame, 4-in-1 ESC, and a 3s lipo. I'm hoping to continue using my Flysky FS-i6 with my new 2.4G FS-RX2A Pro V1 8CH PPM IBUS AFHDS 2A receiver. I'm a fan of JB so that's a solid no-brainer.

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