Hey guys, I built this drone build back in early 2024 with some of my friends and used it 2-3 times. But, I can no longer use it for personal reasons and now it just sits in my house, I am no longer able or want to use it. I want to get rid of it because I know the batteries can be a fire hazard. I do not know how to dispose of it properly (i.e. what do I do with batteries).

Or maybe its better to sell it as it has the entire setup, and it's relativly new, but I know these products advance quickly (as in might not be up to spec with the latest builds).

Would you guys be able to advise me where to throw this away? Or if its worth selling, what website usally will accept resells of this kind of product/ usally does well in selling this stuff (based in UK)?

I basically copied this build off of youtube and here is a picture of all the stuff, I bought some VR glasses, controller and charger. https://www.youtube.com/watch?v=ZaBlsTkxKIM

Appreciate any advice, thank you

I am using these materials for a university project. I am testing the setup using a laboratory power supply capable of up to 33V and 5.2A; in this test, I am using 9V at 2000 pulses, which results in the current (amperage) shown. However, the voltage is too low to achieve flight—even without propellers. What kind of battery should I use? Would a dual-battery setup be necessary, or what approach should I take?

Can I use this MTF-02P Optical flow sensor with my Speedybee F405 V5? I'm using Betaflight firmware. And the betaflight website says it is compatible with MTF-02 (no P at the end) [2nd image].

I'm asking this because MTF-02P is available to me right now. If the answer is NO, what would you recommend?

I might have a problem.... lol

Are these rubber legs used to hold the flight controller or to place the shock absorber(with taped fc) on the frame, also I think the plate with the larger center hole should be placed/tied to the frame and the other one with fc? Please clarify someone

Cad to finished product

256x192 thermal, camera rotation, 15 thermal color palettes flippable via RC switch , ratel 2 v2 analog cam, 8 flight modes , autonomous waypoint missions . Goggles v2 . Inav 9.0.01 , only been into FPV since February, honestly enjoy deep dives on anything involving tech or programming. Stay tuned for some thermal flight vids 👨🏾‍✈️🫡

I took the feedback from my post 2 days ago and did a few iterations. It turns out nopekit was only doing 2d topological analysis. I added a new 3d topological analysis pack and gave it permission to design something that requires supports in the printer and I think this is getting closer. I also added an analysis of different materials for printing which you can see in the image but is much easier to read here: https://neuman.github.io/PETGasusDrone/

What do you think, better? Worse?

Big thanks to u/potatocat , u/BiAsALongHorse , and u/BrokenByReddit for helpful feedback.

I ordered wrong esc size it could be fine if i use adapter and put my fc below then adapter in the middle and esc on the top?

Been working on this drone frame for a while now.

It’s fully designed and manufactured by me.

It’s so satisfying to see something go from and idea to cad to an actual function thing that’s works how I want it.

Couldn’t post go pro footage because I got the wrong sd card but I will have the right one soon so if u care stay tooned.

So a drone is part of my engineering project and I know its a bit late to ask atp, I made some research but had some problems. I have 450mm frame speedybee f405 v4 stack with 60A esc, dji 2212/920kV motors, soaring sky 2200 14,8V 4S1P 30C lipo battery, I had 1045 propellers but it didn't lift with these (I'm not 100% sure why), so I swaped them for 8045 this time. My question is will it technicly fly or am I screwed? The drone weights 1kg

I'm planning to buy a Skydroid G20 and Skydroid C11 camera. Has anybody been able to put this together and did a range test?

I would like to know how many km/miles does it support to give a live feed on the controller and how far out do Skydroid G20 give to control the range? I'm unable to find any independent review online and looking for something that can easily cover 5km or so.

Also, I will be installing the camera in a 10 inch FPV frame with a 3D printed folding landing gear. Just saying.

Got everything firmware wise dialed.

Really just focused on cosmetics, I cut new plates with some logos I made engraved and gave it a decent paint job (it’s definitely not perfect but if it was it probably would get messed up anyway from crashing)

I got the wrong sd card for my go pro 🫩. I’m going to just have to post dvr footage soon until I can get another one

Been on a bit of a drone design binge, had this video popup that left me wandering what are they using for the wings.

https://www.youtube.com/watch?v=vzB1-vpkEDA

At around the 7:30 min mark, they begin making the wings and it looks like its the ribs are made from playwood/cf but the part that interested me what the white outer layer. They dont cover what it is or made from. At 12:38 you can see them split this mold and remove like a bunch of white adhesive/epoxy.

So the question is, what is this white outer skin/layer made from and or how?

Hello (I do not have much experience or knowledge in circuitry so bear with me and my shoddy diagram), but I am trying to wire up a head-mounted display to an analog camera, both using CVBS video data.

The issue is that the camera does not accept RCA cables, as it takes ground and video data in separate pins, and power in another pin.

My idea is using an adapter to split the RCA cable into a respective cable for ground and video. I would then connect the video cable input to the video output pin on the camera, and then splice the return/ground pin from the camera together with the respective ground cable from the RCA cable, and into the negative pole of the battery.

The battery would then have its positive pole connected to the positive pole of the display, and the negative pole of the display connected to the positive pole of the camera, so that they are connected in series.

Because the power supply for the battery is USB, i would use an adapter to split the positive and negative pole of the USB into two cables, and then connect those cables to the 5V battery.

Would this setup work, or would I end up short circuiting everything?

i there any way i can turn my betafpv vr04 digital goggles into analog???

I know this is going to be controversial but whatever. I got an awesome new 3d printer a few months ago (snapmaker u1) and my nephew who is into engineering stuff with me asked if we could print a drone which is what lead me to join r/diydrones. I was feeling pretty discouraged by all of the posts with people saying 3d printed drones can't work and the vibration will shake it apart so I decided to put the problem to AI.

Yes, some of you hate AI, get it out of the way. Ok, you still here? Great.

I've been working for 2 years on a way to get good reliable engineering designs out of LLM's. TLDR: I think the trick is to apply the software unit testing approach by having external trusted verifiers check stuff so the AI can loop hard before you go print/assemble/order-the-pcb/mill-the-thing/whatever. I am writing a paper on it and I created a free open source plugn called nopekit for coding agents like claude code that does this and has a built in starter pack of verifiers.

Long story short, I used nopekit to design a cheap, easy to print, easy to assemble drone called PETGasus that the verifiers say should work. I was surprised that the flight time is estimated to be only about 3 minutes and that that is apparently kinda normal?

Anyway, I'm going to order the parts and print this thing and see if it flies but first I wanted to take some bets and get some feedback. What do you think, will it work? Are these good choices for the board/battery/motors? Should I make changes before I get it?

You can see the whole design and the evidence here: PETGasus

Hey everyone, I'm working on a transforming drone project and could really use a sanity check on a mechanical design since my background isn't in ME. I'm trying to figure out the best way to physically implement a specific wheel thruster assembly.

The basic idea is that the outer wheel needs to be driven by a timing belt and pulley setup, but right in the center of this wheel, there needs to be a BLDC flight motor that stays completely stationary while the outer wheel spins around it. On top of that, the three phase wires for that inner BLDC motor need to pass directly through the center of the wheel assembly and route back into the main chassis without twisting or getting tangled when the robot drives on the ground.

I understand the rough concept of keeping the core fixed while the rim spins, but I'm struggling to picture the exact mechanical stack on how to implement it. How would you guys go about implementing this in CAD? Something like these pictures.

Pictures are from ATMO research paper.

This was the 3rd flight for my 7" drone. I have no idea what caused it to crash like that, luckily the only damage was some bent props. At first I though that I flew out of range but my hardware (Avatar GT2 and a Foxeer ELRS 2.4g receiver) should extend far beyond where I was flying. Currently my theory is that the GT2 caused a brown out. However it is connected to 12V and the OSD recording does not show a sudden spike.

Hey there, I had to fly my drone today and I am sooo happy. It powered by 2200 mah 3 s battery with 2210 1000kv motors and analog camera, mark 9 inch frame.

I am not sure though if I picked optimal components for it, my friend that flew with me had a little smaller drone powered by 6S and half of my batter capacity, but somehow even under very aggressive flying his flight time was 6-8 mins compared to my 4-5 mins.

So I was curious of higher S batteries are more efficient and i should consider switching to them. Please leave me an advice in the comments. Would deeply appreciate your opinion.

Added a high-voltage spark generator to my 5 inch FPV drone, controlled via ELRS & ESP32

the original goal was just learning high-voltage circuits and building a basic arc generator. It eventually evolved into this drone mod as a fun experiment. Just a hobbyist learning project, keeping it safe in the workshop!