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Roughly the way it works is the quad is set to fly above whatever the highest altitude is it "saw" during the GPS logged flight to avoid hitting obstacles then come back to the home lat/long and then stay level and reduce throttle so it can return to the ground in somewhat safe manor, my...

If you add a GPS module then betaflight can be configured to return to the take off point, under the failsafe settings in the configurator tool you can adjust the timeout period and what happens when signal lost. One option being return to home, the home point determined by satellite lock...

So I don't know what specific tx and Rx you're using but can search for the source code and hardware specs for elrs since is all open source transmitter and receiver and includes telemetry. Tbh I don't know the details but just imagined it is using the same antenna for some sort of...

One thing to try also would be have quad off, transmitter on and throttle at 100% (props off) then plug in quad wait a few seconds and throttle down to 0 on the transmitter, this might work for recalibrating the 0/100 range is procedure usually used for calibration of esc signals from FC.

Could be on either side, is part of the reason I'm such a fan of betaflight or other open source boards and components can better diagnose what's happening with betaflight configurator and adjust config as needed for random setups. On transmitter side needs to be sending the values for low to...

I don't have a direct answer since never actually used pit mode myself I usually just plug in and fly immediately and unplug as soon as I land since my vifly voltage checker is usually screaming it's brains out already from low voltage :D Think if spend some time reading through this page then...

Basically if you can figure out what receiver is in the thing you can lookup the "binding procedure" for the given receiver and controller. Binding is notoriously a pain in the butt (the bad kind), as a general set of instructions you would hold a button on the receiver (on helicopter itself)...

If you are new to flying in general going big is a bad decision much better off spending the cash on some quality starter gear. Transmitter/controller will run ballpark $200 for something pretty good, goggles easily can cost $600 if only plan to do line of sight flying or GPS controlled then...

Regarding banggood or ali or the like in general things are "cheap" there but is a "get what you pay for" situation from what I've experienced overall. Can be fine for somewhat throwaway stuff like props when first learning or getting slightly discounted deal on batteries for small quads or...

List looks pretty good. If going 4S batteries (what I still stick with) then 2400kv option on the motors is one to go with. Only thing i think is missing maybe is the receiver for the controller. You can get a standalone video receiver that picks up the vid signal from the air and decodes...

Okay sounds reasonable :) Basically two pretty good ways to get data that I know of. The first option is using some sort of data logger on board the quad, using iNav or betaflight or pixhawk or ardupilot there are various flight control boards that have built in flash memory (accessed via USB...

Basically any quad that has "sufficient power" to fight whatever wind speeds it's encountering to attempt to hold position and has a GPS module with ability to hold position fairly well would work. Main concerns here for me would be where to do the testing such that if the quad begins to drift...

Yup pretty sure from logo and part number that one is a Realtek module, but there are wifi modules from Intel or Broadcom or a handful of other companies, I also would imagine is a similar chip dedicate to handling the wifi communication (modem) for home wifi access points. The older hardware...

Regarding betaflight and any sort of AI for the most part I think that's outside of what it really intends to support it's more in the way of manual/acrobatic flight control and just doing some stabilization using accelerometer and gyro data (is largely about the filtering used to eliminate as...

Ah nice yah I had a feeling from the question you must have had some technical background, but good to get a little of the history to know what will make sense vs what I have to try to explain :D. Think the cable you got should probably work basically there are two chips that are popular for...

Everything you said sounds great in theory.... the part you might find is missing is a USB connection on the FC. All the "betaflight compatible" FCs will basically have a USB port and chip to translate USB to "old school serial" for the MCU to get it into DFU/device firmware upgrade mode where...

Not sure if already got your answer but basically you can set the min output throttle from transmitter side so the quad is always reading as some sort of throttle input after armed (you would need it to be under the min_throttle value so betaflight will let you arm or turn off the throttle...

Not sure what kind of accuracy/resolution you would be going for but if check out "photogrammetry" can see how 3d reconstructions can be made from high resolution imagery taken from various angles, that combined with more traditional surveying of topography is possible. Also a quad or other...

I suggest this site a lot but when doing custom builds it is really nice for getting the in theory numbers on how changing prop size/pitch will affect things ecalc.ch (no affiliation is just a useful site) --- Like you all said too though changing props not generally going to be a big risk...

Yah stabilization mode is standard for all flight control boards that run betaflight, most of them also have extra serial inputs/outputs or other device to device communication protocol support including a few varieties of gps (bn 880 for example gps module). That said betaflight only supports...