To assemble a quadcopter with your own hands at home, you must first understand the basic components of the quadcopter.
Parts for assembling a quadcopter
- Quadcopter frame Diatone Q450 Quad 450 V3 PCB Quadcopter Frame Kit 450mm (the last three digits in the name Q450 indicate the distance between the motors in mm diagonally). It is the body of the aircraft, which will be used to mount all other equipment and electronic components. Consists of 4 rays and printed circuit board. Weight 295 grams.
banggood.com
Price 922 rub.
- Motor DYS D2822-14 1450KV Brushless Motor. 4 pieces.
Sold in the online store Banggood.com
Price 571 rub/piece
- Regulator DYS 30A 2-4S Brushless Speed Controller ESC Simonk Firmware for speed regulation and speed control. 4 pieces.
Sold in the online store Banggood.com
Price 438 rub/piece
- Propellers DYS E-Prop 8x6 8060 SF ABS Slow Fly Propeller Blade For RC Airplane, 4 pieces. Two right-handed and two left-handed propellers.
Sold in the online store Banggood.com
Price 125 rub/piece
- Quadcopter control module KK2.1.5 kk21evo. 1 PC.
Sold in the online store Banggood.com
Price 1680 rub.
- Rechargeable lithium-polymer battery Turnigy nano-tech 2200mah 4S ~90C Lipo Pack, you need to prepare at least two pieces, and preferably four, as they run out quickly. 1 PC.
Sold in the online store Parkflyer.ru
Price 1268 RUR/piece
- Hobby King Variable6S 50W 5A battery charger. 1 PC.
Sold in the online store Hobbyco.ru
Price 900 rub.
- Battery connector XT60 Male Plug 12AWG 10cm With Wire. 1 PC.
Sold in the online store Banggood.com
Price 144 rub.
- Clamps for securing wires to the quadcopter body. 1000pcs 2.0x100mm Black/White Nylon Cable Ties Zip Ties. 1 package.
Sold in the online store Banggood.com
Price 316 rub.
- Connectors 20 Pairs 3.5mm Bullet Connector Banana Plug For RC Battery/Motor. For regulator wires. 1 package.
Sold in the online store Banggood.com
Price 256 rub.
- Velcro strip for attaching the battery to the quadcopter body. 1 PC.
Sold in the online store Banggood.com
Price 79 rub.
- 50pcs Motor Fixing Screws Set for DJI F450 F550 HJ450 550 Quadcopter Multicopter. 1 package.
Price 217 rub.
- Remote control for quadcopter Spektrum DX6 V2 with AR610 Receiver. The receiver and transmitter are supplied in one kit. 1 PC.
Price 9700 rub.
In total, a set of equipment for assembly will cost 20,018 rubles.
Features when choosing components
Basic characteristics of the transmitter:
- Modes Mode1 or Mode2. In the first mode, the gas handle is on the right, in the second mode, the gas handle is on the left.
- The transmitter frequency is 2.4 GHz.
- Number of channels. Minimum channels required for control aircraft- four. Control equipment from Spektrum DX6 V2 with AR610 Receiver contains 6 channels.
Step-by-step instructions for assembling a quadcopter with your own hands
- We reduce the length of the wires on the regulators. When connecting the regulator to the motors, the length of the wires will significantly exceed the length of the beam on which this entire structure will be attached.
- We solder the connectors to the ends of the wires on the regulator so that in the future you can connect the regulator to the motors.
- We install the motors - we screw 1 motor onto each beam.
- We assemble the frame. Screw the beams to the board.
- We connect the regulator wires to the motors. The regulator and motor cables are connected in any order. In the future, you may need to change the connection order when finalizing the drone configuration. When using dedicated regulators for each motor, the positive and negative poles must be connected to the controller from only one regulator.
- We secure the control module to the body with double-sided tape. It is best located in the central part of the platform.
- We secure the receiver to the body with double-sided tape and connect it to the control module. The receiver should be located as close as possible to the module.
The purpose of the channels is described in the receiver manual. Usually their sequence is as follows:
- Ailerons - the channel responsible for left and right turns;
- Elevator - a channel guiding forward and backward directions;
- Gas is a channel that controls gas. Manages takeoff and landing, as well as altitude changes;
- Yaw - the channel makes it possible to rotate the quadcopter around its axis.
- We power the device. We connect the battery to the connector.
This operation completes the quadcopter assembly process.
Setup
- We start the engines. Activation of engines requires the process of starting motors - arming. The instruction manual explains in detail how to achieve this. Deactivation of engines requires a disarming procedure.
- We turn on the weak gas and make sure that the motors are rotating. The rotation pattern must be the same as indicated in the diagram in the controller manual. If the motor rotates incorrectly, you just need to swap the poles of the wires coming from the motor to the controller.
- We screw the second platform to the quadcopter body.
- We attach a Velcro strip to the case to secure the battery.
DIY quadcopter assembly using Arduino
Conclusion
Only those who like solving complex problems can carry out self-assembly of a quadcopter. These should be people who enjoy the process of various calculations and the process of assembling the device.
The advantage of a copter assembled with my own hands the fact that at any time you can upgrade it by adding new equipment.
A quadcopter can hang in one place and take photos and videos, which is why many photographers keep up with progress and buy quadcopters for video shooting.
Quadcopters burst into our lives along with technical progress. Today, ordering electronics for a quadcopter from China is very cheap. Assembling a quadcopter frame with your own hands from scrap materials is not at all difficult. You can learn to fly with the help of flight simulators. So the main thing is to have the desire to make a quadcopter with your own hands.
It is best to buy ready-made electronics for a quadcopter.
Details of a homemade quadcopter
Motors for quadcopter, 4 pcs - D2822/14 1450kv
Of course, the additional purchase of a small quadcopter is a little expensive, but by flying one you will learn how to control it and will be able to fly a large quadcopter with a camera without falling! And you can always give a small toy to a child.
And finally, short video flight on a quadcopter, recording from a camera.
In this article, we looked at the basic principles of making homemade quadcopters. If you want to know more, see the section
iskra comments:
how to make a quadcopter so that it flies within a radius of 500 meters with a real-time camera that displays the image on the screen
chelovek comments:
Guys, help!
I want to build a quadrick on the Arduino Mega platform using these components:
A quadcopter can be purchased at almost any major online store, or you can make a drone yourself. It is not known what came first: mass production of copters or the first attempts by radio amateurs to create a drone on their own. But the fact that this hobby is becoming popular among fans of radio-controlled devices cannot leave any modeler or quadcopter collector indifferent.
DIY quadcopter model
Many drone users are wondering how to assemble a quadcopter with their own hands. Rather, this desire comes from the desire to gain complete control over the flight and control of the shooting process.
IN self-assembly The copter has a number of advantages: Firstly, this is an opportunity to create a device with the parameters that you need. Secondly, Such a device is easier to customize; you can always attach new parts or replace, for example, the battery and install a more powerful power source. Third, this can serve as an interesting experience and be the first step towards a new hobby.
One of the negative aspects can be emphasized that such an assembly may require a lot of time to search the necessary details, studying the entire technical part. Moreover, no one can guarantee that “the first pancake will not go lumpy.” Although on the other hand, now there is a large number of specialized stores for radio equipment, and numerous diagrams using the example will help you understand the principles of the design and operation of a quadcopter ready-made models homemade versions.
Also, many people resort to modeling drones in the belief that it can be much cheaper than buying a branded device. But here, too, a lot depends on what characteristics the device you want to get, and whether it is important for you appearance square Moreover, frequent modifications that will help make the drone more functional can also cost a pretty penny.
Inventor Jasper van Leenen introduced a kit in 2013 for those who want to assemble a drone themselves. In his suitcase he had everything he needed: electronics, motors, a radio, body parts. All plastic parts were printed on 3Dprinter.
Buy or make?
The decision to make a copter yourself may be determined by the so-called sporting interest, or may also be associated with the desire to save money. In both the first and second cases, it is important to weigh the pros and cons, as well as identify the strengths and weaknesses of self-assembly.
Time
As mentioned above, the main disadvantage of a DIY drone can be time. After all, it’s one thing to order a quadra ready to fly, wait one or two weeks and use it for your pleasure. But in self-assembly there is whole line nuances that may affect the timing:
- Purchasing all the necessary spare parts, which may not always fall into your hands at the same time.
- It will also take time to study the technical part in order to clearly understand what the drone consists of and how it works.
- Assembly and setup itself flight controller It will take time and, of course, patience.
- Post-assembly, which means not only testing, but working on errors and “rework”, which also takes a lot of time and effort.
Experience
The first point can largely be compensated by having experience in independently assembling radio-controlled devices. In addition, if you are assembling a drone with a “factory” model, then this can become a visual aid for studying the “filling” of the quad. But for those who are encountering such an assembly for the first time, there are two options:
A) Purchase the most inexpensive quadcopter model, which will not only serve as a model, but also whose parts you can borrow for your own copter;
B) Seek help from forums and specialized websites, where you can get all the information, and also read in detail about the step-by-step assembly of the copter, indicating the names of all the necessary parts.
Price
Many people decide to assemble a quadcopter with the expectation that such a device will cost less than a purchased one. But here you should remember some features:
- Of course, if your goal is to assemble a quad from available materials at minimal cost, then there will be no problems, since you can purchase all the components from the same price range. But here you need to understand that you will not be able to create a powerful device with a high load capacity.
- If you rely on the characteristics of the quadcopter, and not on the simple ability to take off and soar in the air for several minutes, then here you are unlikely to achieve a significant difference between a purchased and a home-made copter. Although, of course, there will still be an opportunity to save 10-20% of the cost.
Self-assembly of a quad, hex or tricopter is an opportunity to try yourself as an engineer and mechanic, allowing you to create a unique model with the characteristics that are most relevant to you. But it’s still not worth holding out hopes that this is an easier and cheaper way than buying a ready-made device.
Details, assembly process, nuances
So, you have decided to create your first quadcopter. To begin with, it is best to turn to the experience of “experienced” designers. Here various forums, websites, and video “life hacks” will come to the rescue.
Any drone consists of two main parts - the mechanism itself that launches it, and the frame on which this “filling” is attached. In order for the copter to fly you need:
- Flight controller;
- Battery;
- Motors and propellers that are attached to them;
- Speed controllers;
- Servo wire to create a rotating mechanism;
- As well as various consumables: screws, connectors, anti-vibration sponge, glue, elastic tape.
The frame can be cut from plywood or durable plastic; its shape largely determines the type of drone: whether it will be a tri-, quad-, or hexacopter. It consists of a main frame on which the controller and battery, and beams with motors are mounted, rotating mechanism and design for the speed controller. It is best if the beams are movable, especially if you are going to make a large quadcopter, then later there will be no problems with transportation.
Creating your own quadcopter is an opportunity to try yourself as an engineer and designer. The copter can be given the most different shapes, using both a ready-made frame and a homemade one, try to equip it with additional structures that will help carry various objects on board.
If the copter will be used for aerial photography, then care should be taken to have camera mounts. The load capacity of the device will depend on the power of the motors and the size of the propellers. This fact is especially important to consider when we are talking about heavy digital or semi-professional cameras.
The flight controller is configured via a PC, on which you first need to install a special program for MultiWii or Arduino, depending on the model of the purchased controller. And, of course, in order for you to be able to control and receive a signal from your copter, you will need to purchase a radio transmitter, for example, DSM2.
Hello! Today we have a very interesting topic on our agenda. I think you have already thought about the fact that you can assemble a quadcopter with your own hands. The idea is really interesting. By choosing this, not the easiest path, you will not only get a good drone, but you will also be able to understand its structure and gain a lot of useful knowledge. And you will absorb some of this knowledge today. Go!
Before you start, it’s worth remembering - what are the ways to get your own quadcopter? There are actually five of them.
RTF
RTF (ready to fly) – Just buy a ready-made copter. All you have to do is take it out of the box and launch it into flight. This a good option, if you are not interested in these designers, and you just want to satisfy your need for a UAV. However, it's not nearly as fun as the remaining options.
All inclusive package
Suitable for those who want to make a drone with their own hands, but are not going to spend hours understanding documentation, calculators and other intricacies. Everything there is calculated and adjusted by the manufacturer in the same way. You just need to assemble and configure. If you are now choosing your first quadcopter, then this is definitely your choice.
ARF kit
ARF (Almost Ready to Fly) – This is a little more complicated. There are different degrees of “readiness”. In some places you need to buy an additional controller, and in others only the copter frame is included in the kit. You will have to assemble the quadcopter, configure and calibrate it yourself. An option for those who want to dig deeper into their UAV.
From scratch
This is the choice of advanced users. Building a copter from scratch means designing and manufacturing a frame, and so on. This is a difficult but very interesting path, especially if you do not take a ready-made control module, or a raspberry pi.
From scrap materials
We are not looking for easy ways. Grandfather's garage, aliexpress and electronics trash are our choices. The path of pain, PVC pipes and hardcore, but as a result you will get completely homemade quadcopter. There is complete scope for imagination, and all the necessary components and drawings of quadcopters can be found on the Internet.
Instructions for assembling a quadcopter with your own hands (for beginners)
Now let's figure out how to assemble the quadcopter of your dreams. I’ll say right away that this is a generalized guide, and some points may differ. I will try to systematize the process and point out the main points of selection and assembly.
Parts for assembling a quadcopter.
Assembling a quadcopter with your own hands begins with selecting components. This is the most critical stage.
Frame components
The supporting structure of the copter is extremely important. How much extra power you have left depends on its characteristics. The lighter the frame, the more expensive it is. You shouldn’t worry too much about strength if your plans do not include building a quadcopter for massive cameras. There are three main types of frames - four-beam, six-beam and eight-beam. IN in this case we will start from a four-beam layout with single engines (one engine per beam).
The frame can also be equipped with folding arms, but this is very expensive and not really necessary. You can try to implement this yourself.
Features when choosing components
Motors
Whatever you need. Firstly, if you buy them in China, their characteristics will be inflated. Secondly, it will give you more space. For example, if you need to hang a heavier camera, or some other module, this will not harm the flight characteristics.
Propellers
This topic is quite extensive. You need to focus on your needs. If this is a simple copter for “flying”, then you can safely take plastic ones. If you want a real working unit for aerial photography, or (which is not paradoxical, because every gram counts) then it is advisable to use composite materials. Well, don't be greedy. An overpayment of 10 percent can eliminate the need for balancing.
Remote control and receiver
To begin with, the smart solution would be to take a remote control that comes with a receiver. Then they will already be paired, and all you have to do is connect the receiver to the control board. Don’t take the remote control thoughtlessly either. Typically, decent specimens with a long range start at 1,000 rubles. Many have a bunch of functions that will be impossible to use. For example, there are mode switches, but the board does not support flight modes. Because of this, weight and volume are taken up by useless switches.
Speed controllers
They are characterized by power, motor turns, internal resistance, presence of reverse, accuracy of operation and a bunch of other scary parameters. If possible, look for a set of motors with controllers. If you don’t want to do that, then you’ll have to smoke forums and documentation. In principle, if you agree on the permissible type of motors and the output power, then the chance of missing is minimal, but I didn’t say that. Double check.
Battery
Using a calculator. It takes into account many parameters, including the weight of the battery pack itself. Again, I don’t recommend buying cheap ones. Burns beautifully, but too quickly. , and is equipped with powerful motors and other attachments with high energy consumption, then do not forget to check whether the batteries have enough power.
Camera
Wow, this is the toughest thing. A camera is not always needed, but if it is needed, then . As a recording camera, it is worth using action cameras - GoPro or its Chinese analogues (they are not much inferior in video quality, if not superior to the “company”). You need to focus on weight and viewing angle. Everything is clear with weight, but I’ll tell you about the angle.
I would like the camera to capture the beauty of the world, but not the rays of the copter. If you miss and this happens, you will have to choose from two bad options.
Lower the camera so that it does not touch the propellers. You will most likely have to lower it strongly, and this will cause a lot of problems with takeoff and landing, as well as with maneuverability, due to the shifted center of gravity.
Bring the camera forward. That's also a problem. The center of gravity will shift again (in this case, you can try to balance it using the battery). It will make the structure even heavier, because you will have to come up with a very powerful clamp. Otherwise, no budget vibration dampers will help the matter, and the jelly effect is guaranteed.
You can try using the approximate formula L= 2 * tg (A /2) x D, where:
- L — Camera field of view at distance D
- Α — Camera viewing angle
- D – distance to the object (in our case, to the propellers)
You will get the diameter of the circle, but since the camera takes a rectangular image, this diameter will be the diagonal. There you can roughly estimate whether it hurts or not.
We select components based on the desired result. There is no need to take the best if it is not necessary. You can approximately calculate the capabilities of your assembly using a calculator.
Chinese details
I’ll say right away that you can buy it in China, but you should approach the issue much more seriously. The Chinese constantly inflate the characteristics. So, you need to roughly understand how and what works, and not fall for the Chinese tales about unprecedented parameters and wonderful quality. In short, you can, but with understanding of the matter and at your own peril and risk.
Controller
The controller is the brain of your multicopter. They can be divided into two types.
Universal: For example, DJI NAZA. This controller can be used with absolutely any assembly. Whether it's a quadcopter or an octocopter. It is not designed to control anything specific. You can hang a bunch of equipment on it, it has many functions and sensors.
There are also disadvantages. The first minus is the price. The same DJI Naza-M V2 costs 17,000 rubles. The second disadvantage is the need for configuration. For this, a special program written for a specific controller is used. Almost everything can be replaced and adjusted there, but this requires some effort, knowledge and time.
Specialized: As in the following example. It is already tailored to work with a specific copter layout. Of course, it gives some space, but you can’t adjust the power on each engine. It's inexpensive and does little. That's it, for starters.
Step-by-step assembly instructions
Let's agree that you have read our article about choosing a set for quadcopter assembly, and I took the most valuable advice - take a frame with a distribution board. If not, then connect the wires directly to the control module.
For example, consider an assembly consisting of the following components:
- Diatone Q450 Quad 450 V3 PCB Quadcopter Frame Kit 450mm
- Motor DYS D2822-14 1450KV Brushless Motor. 4 pieces
- Regulator DYS 30A 2-4S Brushless Speed Controller ESC Simonk Firmware
- Propellers DYS E-Prop 8×6 8060 SF ABS Slow Fly Propeller Blade For RC Airplane
- Quadcopter control module KK2.1.5 kk21evo
- Lithium polymer battery Turnigy nano-tech 2200mah 4S ~90C Lipo Pack
- Hobby King Variable6S 50W 5A battery charger
- Battery Connector XT60 Male Plug 12AWG 10cm With Wire
- Connectors 20 Pairs 3.5mm Bullet Connector Banana Plug For RC Battery/Motor
- Quadcopter control panel Spektrum DX6 V2 with AR610 Receiver (complete with receiver and transmitter)
Approximate price - 20,000 rubles
Spread the ingredients on the table in an even layer and begin.
Stage one. Assembly
- You roughly estimate the required length of the controller wires, add a small margin “for crookedness” and cut them to the required length
- Solder the connectors to the outputs of the regulators to make it easier to connect the motors later
- Solder the regulators to the wiring board
- Solder the battery pack connector to the wiring board
- You screw the motors onto the arms of the copter. When installing motors, try not to strip the threads.
- If there are no connectors on the engines, then solder them too
- Screw the beams with motors to the board
- Attach the regulators to the drone's beams. It doesn’t matter what, but the most convenient way is with plastic clamps
- We connect the regulator wires to the motors in any order. If necessary, we will change it later
- You attach the control module to the case (after photographing the back part. This will come in handy). Again, at least for chewing gum, but I advise you to use soft double-sided tape for now
- Connect the speed controllers to the controller. Those ports that are marked (+ - empty) are usually connected with a white wire to the screen
- Use the remaining tape to secure the receiver as close to the control unit as possible, and connect the required channels to the required ports. Use the documentation of your receiver and a photo of the back of the board to figure out which bundle of wires is responsible for what.
- Connect the device to battery power via the connector
- Profit! You've assembled your quadcopter
Stage two. Debugging
- You start the engines (usually everything is different here, so again look at the documentation)
- You increase the gas a little and look in which direction the propellers rotate. They must rotate as indicated in the diagram that comes with the controller. Otherwise the control will be inverted. If something is wrong, then simply turn over the connector that connects the motor and controller
- When everything rotates correctly, you screw on the top part of the frame. Don't push her into your place. If she gets up hard, then something went wrong. Loosen the bottom screws, and after installation, tighten everything evenly
- Attach the battery pack
- Mount adapters for propellers on motors
- You install the propellers, taking into account the direction of rotation of the motors. The raised part of the blade should point in the direction of rotation
- Done. Your copter is ready to survive the first power-up!
This was one of the simplest examples to start with. Of course, if you want to use a camera, GPS or a more complex controller, the design will be more complex. Therefore, if you are not confident in your abilities, then you should start small. Everything else can be screwed on later.
However, do not overestimate the complexity of homemade products. If there is no goal to assemble a multicopter from PVC pipes based on Arduino (and this also happens), then there is nothing in this that an ordinary user cannot do. The main thing is not to get lost, read and ask if something is not clear.
Conclusion
Finally, I would like to add a little moral to this text. Any such activity, be it designing or simply assembling, is a powerful educational tool. The main thing is to just start. You will begin to understand many subtleties, and learn to concentrate on important points. This applies not only to the assembly of copters.
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The main reason that people are interested in assembling quadcopters is the desire to save money on purchasing an original device. However, this is not the only reason. Many are interested in this issue, since the hobby of flying a UAV grows into something more, for example, participating in quadcopter races, and winning them is possible only by practicing as often as possible and refining the design of your flying drone.
Assembly of the finished kit
Those who really want it have the best chance of assembling a quadcopter with their own hands. To simplify this task to simple assembly, you need to acquire the appropriate set of parts. Their cost is several times lower than that of RTF-style quadcopters. The reason for this is that the user is responsible not only for assembling the structure, but also for firmware, calibration and fine-tuning of the device. The main advantage of such kits is that there is no need to select the power of motors, chips and body weight.
There is also no point in worrying about the balance of the design, which directly affects the behavior of the device in the air. In this case, the quadcopter will have all the planned characteristics, including speed and flight time. When choosing a kit, you can choose whether the quadcopter will be monolithic or collapsible, i.e. modular. The latter option will be of more interest to those who want to have a fairly large, but at the same time easily portable model. It is worth noting that such models often have a very aggressive and unattractive design.
This is because the kit does not include an outer casing, which performs both protective and decorative functions. The assembly sequence of such structures is indicated in the instructions supplied with the kits of parts. Typically, the assembly of such quadcopters begins with the installation of complete motors on an exoskeleton made of plastic, metal or carbon. Following them, PIN cables are installed, which act as power regulators for the installed motors. Next, the signal receiver and the main brain center - the control module - are attached to the body.
At the end of the assembly, a battery, clamps, LEDs and other modules are installed that distinguish the model from others. On this step by step assembly ends, and all the fun begins, namely the process of flashing the device, its calibration and fine-tuning, which, depending on the component manufacturer, can last from half an hour to three hours. It is important that the battery is fully charged at the time of flashing. Otherwise, this process may fail.
Assembly from scrap materials
It’s unfortunate, but it’s still not possible to assemble a full-fledged quadcopter entirely from scrap materials. In any case, you will have to purchase a kit of parts. But you can buy them not as a whole set, but take only the most necessary ones. These include motors, propellers, a control board with a receiver, and a battery.
This is all that is needed to simply lift the quadcopter into the air and control it using the equipment. In order to prevent this set of components from falling into pieces in the air, it is necessary to secure them to a durable but lightweight body. You can make it from scrap materials. Anything can be used, from ice cream sticks to plastic caps and bottles.
As for additional purchases, you will also need to purchase equipment, since without it it will be extremely difficult to control the assembled device. You can find a quadcopter diagram online, or come up with it yourself. When creating a hull, it is worth remembering flight qualities, balance, stability and lightness of construction.
Otherwise, the device may turn not into a UAV, but into a crawling mini fan with remote control. It will be possible to refine the created design endlessly, so during the first assembly you don’t have to try too hard, so as not to lose interest during the work.
To make the technical part as balanced as possible without using complex calculations, you can use a little trick. You can select a specific common model and order components for it from the basic list. When ordering, it is important to specify the details correctly. So, the order list should contain 2 motors of right rotation and 2 left rotation.
They must be paired with appropriate screws - right-handed and left-handed. Otherwise the device will not function. There is always a possibility that when assembling parts, defective blanks may be encountered, so some can even be ordered in duplicate in case of replacement. Unlike the factory kits described above, you cannot assemble such a device from ordinary parts with your bare hands and a screwdriver. You will have to work with a soldering iron, a glue gun, electrical tape and double-sided tape.
This is the only way to get the desired quadcopter. Once a working model is obtained, it can be upgraded at your discretion. Add antennas, LEDs, beepers (tweeters) and other parts that increase the functionality of your home quadcopter.
Step-by-step assembly of a quadcopter with your own hands: main advice
Before you rush headlong into assembling your own quadcopter, evaluate your strengths without looking away from reality. Consider not only your ability to work with such a dangerous tool as a soldering iron, but also your financial capabilities, i.e. how much you can spend on components for the quadcopter without compromising your personal budget. And only after that start active activities.
You can buy excellent quadcopters at - free delivery throughout Russia and the CIS, good prices!
