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Homemade robot at home. Make a robot at home yourself? Easily! What do we need to assemble such a robot?

The host of the channel “Textbook of Mastery” showed clearly how to make a walking mini robot. First of all, let's make the paws. We fasten two ice cream sticks together, measure 6 centimeters and immediately put two marks where the holes will be. We remove all excess with a scalpel, and sand the cut area. Using a drill, we drill two holes according to the marks.


We take two more sticks, secure them with tape, measure 6 centimeters and cut them off with a hacksaw. There is no need to round the edge. We make a hole on this workpiece only on one side. We will glue these blanks right in the middle of the shelf with rounded edges. Please note that they must be perpendicular. Prepare four 3-centimeter pieces of wooden skewers in advance. Insert into the bottom hole. Using superglue, glue two 8 cm pieces to a skewer. Use a ruler to maintain a 90 degree angle. See what happens. We make the second paw in exactly the same way. As you can see, everything is clear and it’s not difficult to do all this at home.

We will also need a plastic toy ball. In the lower part of the ball, using a hacksaw, we make two indentations for a wooden skewer. We twist the top part with a marker and mark where the cut will begin. Unscrew it along the thread and mark it again. Using a hacksaw, carefully make cuts between the marks. We select everything. When we unscrew or tighten the ball, the hole will always be open.

We take a low-speed gearbox motor. We attach a ready-made contact to it. You can get by with ordinary wiring. Cut a piece of the leg from the lollipop. We heat one end well and flatten it. We also heat the second end and put it on the gearbox shaft. At the bottom of the plastic ball, measure and glue a piece of an ice cream stick. This will be a stand for the gear motor. Let the superglue harden a little and apply hot glue liberally on top. We install the motor and fill the housings with hot glue. It should not get on the gearbox. Leave the ball with the motor aside. We make 2 centimeter blanks with a hole in the middle. To avoid burrs, we process the edge with sandpaper. Take a ruler and make two marks at a distance of 1 cm. Drill two holes along the marks and cut them in a semicircle with a scalpel. We process the edges.
Continued on video from minute five. Here we show in detail how to make an interesting mini robot at home.

The simplest robot at home

To make the simplest thing we need a motor, two pieces of wire, a clothespin, Charger from the phone. First you need to attach the wire to the motor. After that, once the glue has hardened, take pliers and bend the legs. Now you can move them apart so that the robot stands more confidently. Now we solder the contacts on the charger to the plus and minus.
Next is a video from the “No Feelings” channel, which shows how to create this robot toy.

Now you can test this simple mini robot. To make it move, we put a clothespin on the rotor. That's all! The robot is running.

Mini robot from a kit at home

The Alphadroid channel told how to make a mini robot at home.
To assemble a walker you need a large number of components. The platform was used for self-assembly"Droid." In addition to the parts that can be purchased on the radio market, the kit contains additional necessary elements.

Watch the video of the Alpha Mods channel.

Kit contents: panels with parts for assembling the case, battery compartment, 4 full sets of servos, 30 nuts, M 3 screws and nuts, 2 self-tapping screws, ultrasonic distance sensor, cable, magnetized screwdriver, assembly instructions.

The robot body is made of wood, MDF. The set includes 5 plates with parts for the case, processed by a laser engraver. The robot is equipped with an ultrasonic sensor, this will help it navigate in space. On the first pages of the instructions, body panels are drawn on a scale of 1:1. It is necessary to take real plates and number them as shown in the figure.

First of all, you need to take part D1 and D4, as well as a pair of M3*10 screws. Carefully remove the parts from the plate and screw them to each other. Take D5 and servos. We screw it to D5 using the self-tapping screws that come with the kit. Take the first and second blanks and connect them using D3. There are grooves in the wooden parts, and they fit into each other. We take the nuts and place them in the places provided for them. These were the legs and feet of the robot. Moving on to D2 and the servo sleeves. We fix the sleeve on the bar. The strap is put on.

We carry out calibration: turn the drive to the side, pull out the bar, reinsert it and turn it again until the bar rests. Once again we remove the straps and put them in the final position: so that D2 touches D3, or is as close as possible to it. We return the drive to initial position. At this point the calibration is complete. Take support D10 and install it on D1 and D2. D1 is not clamped all the way using the locknut. What we have now installed is a socket for servos; we place the remaining two on the corresponding sockets. There is a fixation bar - D11.

Calibration: put on the hangers and turn them all the way, remove the shoulders and install them in vertical position, set the angle to 90 degrees, and finally shoot. The legs are ready. To assemble the head: D7, D14 and 4 bolts m3*12 mm.

Nowadays, few people remember, unfortunately, that in 2005 there were the Chemical Brothers and they had a wonderful video - Believe, where a robotic hand chased the hero of the video around the city.

Then I had a dream. Unrealistic at that time, because I didn’t have the slightest idea about electronics. But I wanted to believe - believe. 10 years have passed, and just yesterday I managed to assemble my own robotic arm for the first time, put it into operation, then break it, fix it, and put it back into operation, and along the way, find friends and gain confidence in my own abilities.

Attention, there are spoilers below the cut!

It all started with (hello, Master Keith, and thank you for allowing me to write on your blog!), which was almost immediately found and selected after this article on Habré. The website says that even an 8-year-old child can assemble a robot - why am I any worse? I'm just trying my hand at it in the same way.

At first there was paranoia

As a true paranoid, I will immediately express the concerns that I initially had regarding the designer. In my childhood, first there were good Soviet designers, then Chinese toys that crumbled in my hands... and then my childhood ended :(

Therefore, from what remained in the memory of toys was:

  • Will the plastic break and crumble in your hands?
  • Will the parts fit loosely?
  • Will the set not contain all the parts?
  • Will the assembled structure be fragile and short-lived?
And finally, a lesson that was learned from Soviet designers:
  • Some parts will have to be finished with a file.
  • And some of the parts simply won’t be in the set
  • And another part will not work initially, it will have to be changed
What can I say now: not in vain in my favorite video Believe main character sees fears where there are none. None of the fears came true: there were exactly as many details as needed, they all fit together, in my opinion - perfectly, which greatly lifted the mood as the work progressed.

The details of the designer not only fit together perfectly, but also the fact that the details are almost impossible to confuse. True, with German pedantry, the creators set aside exactly as many screws as needed, therefore, it is undesirable to lose screws on the floor or confuse “which goes where” when assembling the robot.

Specifications:

Length: 228 mm
Height: 380 mm
Width: 160 mm
Assembly weight: 658 gr.

Nutrition: 4 D batteries
Weight of objects lifted: up to 100 g
Backlight: 1 LED
Control type: wired remote control
Estimated build time: 6 hours
Movement: 5 brushed motors
Protection of the structure when moving: ratchet

Mobility:
Capture mechanism: 0-1,77""
Wrist movement: within 120 degrees
Elbow movement: within 300 degrees
Shoulder movement: within 180 degrees
Rotation on the platform: within 270 degrees

You will need:

  • extra long pliers (you can't do without them)
  • side cutters (can be replaced with a paper knife, scissors)
  • crosshead screwdriver
  • 4 D batteries

Important! About small details

Speaking of “cogs”. If you have encountered a similar problem and know how to make the assembly even more convenient, welcome to the comments. For now, I'll share my experience.

Bolts and screws that are identical in function but different in length are clearly stated in the instructions, for example, on medium photo below we see bolts P11 and P13. Or maybe P14 - well, that is, again, I'm confusing them again. =)

You can distinguish them: the instructions indicate which one is how many millimeters. But, firstly, you won’t sit with a caliper (especially if you are 8 years old and/or you simply don’t have one), and, secondly, in the end you can only distinguish them if you put them next to each other, which may not happen right away came to mind (didn't occur to me, hehe).

Therefore, I’ll warn you in advance if you decide to build this or a similar robot yourself, here’s a hint:

  • or take a closer look at the fastening elements in advance;
  • or buy yourself more small screws, self-tapping screws and bolts so as not to worry.

Also, never throw anything away until you have finished assembling. In the bottom photo in the middle, between two parts from the body of the robot’s “head” there is a small ring that almost went into the trash along with other “scraps”. And this, by the way, is a holder for an LED flashlight in the “head” of the gripping mechanism.

Build process

The robot comes with instructions without unnecessary words - only images and clearly cataloged and labeled parts.

The parts are quite easy to bite off and do not require cleaning, but I liked the idea of ​​processing each part with a cardboard knife and scissors, although this is not necessary.

The build begins with four of the five included motors, which are a real pleasure to assemble: I just love gear mechanisms.

We found the motors neatly packaged and “sticking” to each other - get ready to answer the child’s question about why commutator motors are magnetic (you can immediately in the comments! :)

Important: in 3 out of 5 motor housings you need recess the nuts on the sides- in the future we will place the bodies on them when assembling the arm. Side nuts are not needed only in the motor, which will form the basis of the platform, but in order not to remember later which body goes where, it is better to bury the nuts in each of the four yellow bodies at once. Only for this operation you will need pliers; they will not be needed later.

After about 30-40 minutes, each of the 4 motors was equipped with its own gear mechanism and housing. Putting everything together is no more difficult than putting together Kinder Surprise in childhood, only much more interesting. Question for care based on the photo above: three of the four output gears are black, where is the white one? Blue and black wires should come out of its body. It’s all in the instructions, but I think it’s worth paying attention to it again.

After you have all the motors in your hands, except for the “head” one, you will begin assembling the platform on which our robot will stand. It was at this stage that I realized that I had to be more thoughtful with screws and screws: as you can see in the photo above, I didn’t have enough two screws for fastening the motors together using the side nuts - they were already screwed into the depth of the already assembled platform. I had to improvise.

When the platform and main part of the arm are assembled, the instructions will prompt you to proceed to assembling the gripping mechanism, where it is complete small parts and moving parts - the most interesting!

But, I must say that this is where the spoilers will end and the video will begin, since I had to go to a meeting with a friend and had to take the robot with me, which I couldn’t finish in time.

How to become the life of the party with the help of a robot

Easily! When we continued assembling together, it became clear: to assemble the robot yourself - Very Nice. Working on a design together is doubly pleasant. Therefore, I can confidently recommend this set for those who do not want to sit in a cafe having boring conversations, but want to see friends and have a good time. Moreover, it seems to me that team building with such a set - for example, assembly by two teams, for speed - is almost a win-win option.

The robot came to life in our hands as soon as we finished assembling it. Unfortunately, I cannot convey our delight to you in words, but I think many here will understand me. When a structure that you assembled yourself suddenly begins to live a full life - it’s a thrill!

We realized that we were terribly hungry and went to eat. It wasn't far to go, so we carried the robot in our hands. And then another pleasant surprise awaited us: robotics is not only exciting. It also brings people closer together. As soon as we sat down at the table, we were surrounded by people who wanted to get to know the robot and build one for themselves. Most of all, the kids liked to greet the robot “by the tentacles,” because it really behaves like it’s alive, and, first of all, it’s a hand! In a word, the basic principles of animatronics were mastered intuitively by users. This is what it looked like:

Troubleshooting

Upon returning home, an unpleasant surprise awaited me, and it’s good that it happened before the publication of this review, because now we’ll immediately discuss troubleshooting.

Having decided to try to move the arm through the maximum amplitude, we managed to achieve a characteristic crackling sound and failure of the functionality of the motor mechanism in the elbow. At first it upset me: well, new toy, just assembled - and no longer works.

But then it dawned on me: if you just collected it yourself, what was the point? =) I know very well the set of gears inside the case, and to understand whether the motor itself is broken, or whether the case was simply not secured well enough, you can load it without removing the motor from the board and see if the clicking continues.

This is where I managed to feel hereby robo-master!

Having carefully disassembled the “elbow joint”, it was possible to determine that without load the motor runs smoothly. The housing came apart, one of the screws fell inside (because it was magnetized by the motor), and if we had continued operation, the gears would have been damaged - when disassembled, a characteristic “powder” of worn-out plastic was found on them.

It is very convenient that the robot did not have to be disassembled entirely. And it’s really cool that the breakdown occurred due to not entirely accurate assembly in this place, and not due to some factory difficulties: they were not found in my kit at all.

Advice: For the first time after assembly, keep a screwdriver and pliers at hand - they may come in handy.

What can be taught thanks to this set?

Self confidence!

Not only did I find common topics to communicate with complete strangers, but I also managed to not only assemble, but also repair the toy on my own! This means I have no doubt: everything will always be ok with my robot. And this is a very pleasant feeling when it comes to your favorite things.

We live in a world where we are terribly dependent on sellers, suppliers, service employees and the availability of free time and money. If you know how to do almost nothing, you will have to pay for everything, and most likely overpay. The ability to fix a toy yourself, because you know how every part of it works, is priceless. Let the child have such self-confidence.

Results

What I liked:
  • The robot, assembled according to the instructions, did not require debugging and started immediately
  • The details are almost impossible to confuse
  • Strict cataloging and availability of parts
  • Instructions you don't need to read (images only)
  • Absence of significant backlashes and gaps in structures
  • Ease of assembly
  • Ease of prevention and repair
  • Last but not least: you assemble your toy yourself, Filipino children don’t work for you
What else do you need:
  • More fasteners, in stock
  • Parts and spare parts for it so that they can be replaced if necessary
  • More robots, different and complex
  • Ideas on what can be improved/added/removed - in short, the game doesn’t end with assembly! I really want it to continue!
Verdict:

Assembling a robot from this construction set is no more difficult than a puzzle or Kinder Surprise, only the result is much larger and caused a storm of emotions in us and those around us. Great set, thanks

Make a robot very simple Let's figure out what it takes to create a robot at home, in order to understand the basics of robotics.

Surely, after watching enough movies about robots, you have often wanted to build your own comrade in battle, but you didn’t know where to start. Of course, you won't be able to build a bipedal Terminator, but that's not what we're trying to achieve. Collect simple robot anyone who knows how to hold a soldering iron correctly in their hands can do it and this does not require deep knowledge, although it will not hurt. Amateur robotics is not much different from circuit design, only much more interesting, because it also involves areas such as mechanics and programming. All components are easily available and are not that expensive. So progress does not stand still, and we will use it to our advantage.

Introduction

So. What is a robot? In most cases this automatic device, which reacts to any actions environment. Robots can be controlled by humans or perform pre-programmed actions. Typically, the robot is equipped with a variety of sensors (distance, rotation angle, acceleration), video cameras, and manipulators. The electronic part of the robot consists of a microcontroller (MC) - a microcircuit that contains a processor, a clock generator, various peripherals, RAM and permanent memory. There are a huge number of different microcontrollers in the world for different areas applications and on their basis you can assemble powerful robots. AVR microcontrollers are widely used for amateur buildings. They are by far the most accessible and on the Internet you can find many examples based on these MKs. To work with microcontrollers, you need to be able to program in assembler or C and have basic knowledge of digital and analog electronics. In our project we will use C. Programming for MK is not much different from programming on a computer, the syntax of the language is the same, most functions are practically no different, and new ones are quite easy to learn and convenient to use.

What do we need

To begin with, our robot will be able to simply avoid obstacles, that is, repeat the normal behavior of most animals in nature. Everything we need to build such a robot can be found in radio stores. Let's decide how our robot will move. I consider the most successful tracks to be those used in tanks; these are the most convenient solution, because the tracks have greater maneuverability than the wheels of the car and are more convenient to control (to turn, it is enough to rotate the tracks in different directions). Therefore, you will need any toy tank whose tracks rotate independently of each other, you can buy one at any toy store at a reasonable price. From this tank you only need a platform with tracks and motors with gearboxes, the rest you can safely unscrew and throw away. We also need a microcontroller, my choice fell on ATmega16 - it has enough ports for connecting sensors and peripherals and in general it is quite convenient. You will also need to purchase some radio components, a soldering iron, and a multimeter.

Making a board with MK

In our case, the microcontroller will perform the functions of the brain, but we will not start with it, but with powering the robot’s brain. Proper nutrition- a guarantee of health, so we will start with how to properly feed our robot, because this is where novice robot builders usually make mistakes. And in order for our robot to work normally, we need to use a voltage stabilizer. I prefer the L7805 chip - it is designed to produce a stable 5V output voltage, which is what our microcontroller needs. But due to the fact that the voltage drop on this microcircuit is about 2.5V, a minimum of 7.5V must be supplied to it. Used together with this stabilizer electrolytic capacitors to smooth out voltage ripples, a diode must be included in the circuit to protect against polarity reversal.

Now we can move on to our microcontroller. The case of the MK is DIP (it’s more convenient to solder) and has forty pins. On board there is an ADC, PWM, USART and much more that we will not use for now. Let's look at a few important nodes. The RESET pin (9th leg of the MK) is pulled up by resistor R1 to the “plus” of the power source - this must be done! Otherwise, your MK may unintentionally reset or, more simply put, glitch. Also a desirable measure, but not mandatory, is to connect RESET via ceramic capacitor C1 to ground. In the diagram you can also see a 1000 uF electrolyte; it saves you from voltage dips when the engines are running, which will also have a beneficial effect on the operation of the microcontroller. Quartz resonator X1 and capacitors C2, C3 should be located as close as possible to pins XTAL1 and XTAL2.

I won’t talk about how to flash MK, since you can read about it on the Internet. We will write the program in C; I chose CodeVisionAVR as the programming environment. This is a fairly user-friendly environment and is useful for beginners because it has a built-in code creation wizard.

Motor control

An equally important component in our robot is the motor driver, which makes it easier for us to control it. Never and under no circumstances should motors be connected directly to the MK! In general, powerful loads cannot be controlled directly from the microcontroller, otherwise it will burn out. Use key transistors. For our case, there is a special chip - L293D. In such simple projects, always try to use this particular chip with the “D” index, as it has built-in diodes for overload protection. This microcircuit is very easy to control and is easy to get in radio stores. It is available in two packages: DIP and SOIC. We will use DIP in the package due to the ease of mounting on the board. L293D has separate power supply for motors and logic. Therefore, we will power the microcircuit itself from the stabilizer (VSS input), and the motors directly from the batteries (VS input). L293D can withstand a load of 600 mA per channel, and it has two of these channels, that is, two motors can be connected to one chip. But to be on the safe side, we will combine the channels, and then we will need one micra for each engine. It follows that the L293D will be able to withstand 1.2 A. To achieve this, you need to combine the micra legs, as shown in the diagram. The microcircuit works as follows: when a logical “0” is applied to IN1 and IN2, and a logical one is applied to IN3 and IN4, the motor rotates in one direction, and if the signals are inverted - a logical zero is applied, then the motor will begin to rotate in the other direction. Pins EN1 and EN2 are responsible for turning on each channel. We connect them and connect them to the “plus” of the power supply from the stabilizer. Since the microcircuit heats up during operation, and installing radiators on this type of case is problematic, heat dissipation is provided by GND legs - it is better to solder them on a wide contact pad. That's all you need to know about engine drivers for the first time.

Obstacle sensors

So that our robot can navigate and not crash into everything, we will install two infrared sensor. Most the simplest sensor consists of an IR diode that emits in the infrared spectrum and a phototransistor that will receive the signal from the IR diode. The principle is this: when there is no obstacle in front of the sensor, the IR rays do not hit the phototransistor and it does not open. If there is an obstacle in front of the sensor, then the rays are reflected from it and hit the transistor - it opens and current begins to flow. The disadvantage of such sensors is that they can react differently to various surfaces and are not protected from interference - the sensor may accidentally trigger from extraneous signals from other devices. Modulating the signal can protect you from interference, but we won’t bother with that for now. For starters, that's enough.


Robot firmware

To bring the robot to life, you need to write firmware for it, that is, a program that would take readings from sensors and control the motors. My program is the simplest, it does not contain complex structures and will be understandable to everyone. The next two lines include header files for our microcontroller and commands for generating delays:

#include
#include

The following lines are conditional because the PORTC values ​​depend on how you connected the motor driver to your microcontroller:

PORTC.0 = 1; PORTC.1 = 0; PORTC.2 = 1; PORTC.3 = 0; The value 0xFF means that the output will be log. "1", and 0x00 is log. "0". With the following construction we check whether there is an obstacle in front of the robot and on which side it is: if (!(PINB & (1<

If light from an IR diode hits the phototransistor, then a log is installed on the microcontroller leg. “0” and the robot starts moving backward to move away from the obstacle, then turns around so as not to collide with the obstacle again and then moves forward again. Since we have two sensors, we check for the presence of an obstacle twice - on the right and on the left, and therefore we can find out which side the obstacle is on. The command "delay_ms(1000)" indicates that one second will pass before the next command begins to execute.

Conclusion

I've covered most of the aspects that will help you build your first robot. But robotics doesn't end there. If you assemble this robot, you will have a lot of opportunities to expand it. You can improve the robot's algorithm, such as what to do if the obstacle is not on some side, but right in front of the robot. It also wouldn’t hurt to install an encoder - a simple device that will help you accurately position and know the location of your robot in space. For clarity, it is possible to install a color or monochrome display that can show useful information - battery charge level, distance to obstacles, various debugging information. It wouldn't hurt to improve the sensors - installing TSOPs (these are IR receivers that perceive a signal only of a certain frequency) instead of conventional phototransistors. In addition to infrared sensors, there are ultrasonic sensors, which are more expensive and also have their drawbacks, but have recently been gaining popularity among robot builders. In order for the robot to respond to sound, it would be a good idea to install microphones with an amplifier. But what I think is really interesting is installing the camera and programming machine vision based on it. There is a set of special OpenCV libraries with which you can program facial recognition, movement according to colored beacons and many other interesting things. It all depends only on your imagination and skills.

List of components:

    ATmega16 in DIP-40 package>

    L7805 in TO-220 package

    L293D in DIP-16 housing x2 pcs.

    resistors with a power of 0.25 W with ratings: 10 kOhm x 1 pc., 220 Ohm x 4 pcs.

    ceramic capacitors: 0.1 µF, 1 µF, 22 pF

    electrolytic capacitors: 1000 µF x 16 V, 220 µF x 16 V x 2 pcs.

    diode 1N4001 or 1N4004

    16 MHz quartz resonator

    IR diodes: any two of them will do.

    phototransistors, also any, but responding only to the wavelength of infrared rays

Firmware code:

/************************************************ **** Firmware for the robot MK type: ATmega16 Clock frequency: 16.000000 MHz If your quartz frequency is different, then this must be specified in the environment settings: Project -> Configure -> "C Compiler" Tab ****** ***********************************************/ #include #include void main(void) ( //Configure the input ports //Through these ports we receive signals from sensors DDRB=0x00; //Turn on the pull-up resistors PORTB=0xFF; //Configure the output ports //Through these ports we control DDRC motors =0xFF; //Main loop of the program. Here we read the values ​​​​from the sensors //and control the engines while (1) ( //Move forward PORTC.0 = 1; PORTC.1 = 0; PORTC.2 = 1; PORTC.3 = 0; if (!(PINB & (1<About my robot

At the moment my robot is almost complete.


It is equipped with a wireless camera, a distance sensor (both the camera and this sensor are installed on a rotating tower), an obstacle sensor, an encoder, a signal receiver from the remote control and an RS-232 interface for connecting to a computer. It operates in two modes: autonomous and manual (receives control signals from the remote control), the camera can also be turned on/off remotely or by the robot itself to save battery power. I am writing firmware for apartment security (transferring images to a computer, detecting movements, walking around the premises).

Today we will tell you how to make a robot from available materials. The resulting “high-tech android,” although small in size and unlikely to help you with housework, will certainly amuse both children and adults.

Necessary materials

In order to make a robot with your own hands, you do not need knowledge of nuclear physics. This can be done at home from ordinary materials that you always have on hand. So what we need:
  • 2 pieces of wire
  • 1 motor
  • 1 AA battery
  • 3 push pins
  • 2 pieces of foam board or similar material
  • 2-3 heads of old toothbrushes or a few paper clips

1. Attach the battery to the motor

Using a glue gun, attach a piece of foam cardboard to the motor housing. Then we glue the battery to it.

This step may seem confusing. However, to make a robot, you need to make it move. We put a small oblong piece of foam cardboard on the motor axis and secure it with a glue gun. This design will give the motor an imbalance, which will set the entire robot in motion.

At the very end of the destabilizer, drop a couple of drops of glue, or attach some decorative element - this will add individuality to our creation and increase the amplitude of its movements.

3. Legs

Now you need to equip the robot with lower limbs. If you use toothbrush heads for this, glue them to the bottom of the motor. You can use the same foam board as a layer.

The next step is to attach our two pieces of wire to the motor contacts. You can simply screw them on, but it would be even better to solder them, this will make the robot more durable.

5. Battery connection

Using a heat gun, glue the wire to one end of the battery. You can choose any of the two wires and either side of the battery - polarity does not matter in this case. If you're good at soldering, you can also use soldering instead of glue for this step.

6. Eyes

A pair of beads, which we attach with hot glue to one end of the battery, are quite suitable as the robot’s eyes. At this step, you can show your imagination and come up with the appearance of the eyes at your discretion.

7. Launch

Now let's bring our homemade product to life. Take the free end of the wire and attach it to the unoccupied battery terminal using adhesive tape. You shouldn't use hot glue for this step because it will prevent you from turning off the motor if necessary.

Who wouldn’t want to have a universal assistant, ready to carry out any assignment: wash the dishes, buy groceries, change a tire on the car, and take children to kindergarten and parents to work? The idea of ​​creating mechanized assistants has occupied engineering minds since ancient times. And Karel Capek even came up with a word for a mechanical servant - a robot that performs duties instead of a person.

Fortunately, in the current digital age, such assistants are sure to become a reality soon. In fact, intelligent mechanisms are already helping a person with household chores: a robot vacuum cleaner will clean up while the owners are at work, a multicooker will help prepare food, no worse than a self-assembled tablecloth, and the playful puppy Aibo will happily bring slippers or a ball. Sophisticated robots are used in manufacturing, medicine and space. They make it possible to partially, or even completely, replace human labor in difficult or dangerous conditions. At the same time, androids try to look like people in appearance, while industrial robots are usually created for economic and technological reasons and external decor is by no means a priority for them.

But it turns out that you can try to make a robot using improvised means. So, you can construct an original mechanism from a telephone handset, a computer mouse, a toothbrush, an old camera or the ubiquitous plastic bottle. By placing several sensors on the platform, you can program such a robot to perform simple operations: adjusting the lighting, sending signals, moving around the room. Of course, this is far from a multifunctional assistant from science fiction films, but such an activity develops ingenuity and creative engineering thinking, and unconditionally arouses admiration among those who consider robotics to be absolutely not a handicraft business.

Cyborg out of the box

One of the easiest solutions to making a robot is to purchase a ready-made robotics kit with step-by-step instructions. This option is also suitable for those who are going to seriously engage in technical creativity, because one package contains all the necessary parts for mechanics: from electronic boards and specialized sensors, to a supply of bolts and stickers. Along with instructions allowing you to create a rather complex mechanism. Thanks to many accessories, such a robot can serve as an excellent base for creativity.

Basic school knowledge in physics and skills from labor lessons are quite enough to assemble the first robot. A variety of sensors and motors are controlled by control panels, and special programming environments make it possible to create real cyborgs that can execute commands.

For example, a sensor on a mechanical robot can detect the presence or absence of a surface in front of the device, and the program code can indicate in which direction the wheelbase should be turned. Such a robot will never fall off the table! By the way, real robot vacuum cleaners work on a similar principle. In addition to carrying out cleaning according to a given schedule and the ability to return to the base on time to recharge, this intelligent assistant can independently build trajectories for cleaning the room. Because there may be a variety of obstacles on the floor, such as chairs and wires, the robot must constantly scan the path ahead and avoid such obstacles.

In order for a robot created by oneself to be able to carry out various commands, manufacturers provide the possibility of programming it. Having drawn up an algorithm for the robot’s behavior in various conditions, you should create a code for the interaction of sensors with the outside world. This is possible thanks to the presence of a microcomputer, which is the brain center of such a mechanical robot.

Self-made mobile mechanism

Even without specialized, and usually expensive, kits, it is quite possible to make a mechanical manipulator using improvised means. So, having been inspired by the idea of ​​​​creating a robot, you should carefully analyze the stocks of home bins for the presence of unclaimed spare parts that can be used in this creative undertaking. They will use:

  • a motor (for example, from an old toy);
  • wheels from toy cars;
  • construction details;
  • carton boxes;
  • fountain pen refills;
  • different types of tape;
  • glue;
  • buttons, beads;
  • screws, nuts, paper clips;
  • all kinds of wires;
  • light bulbs;
  • battery (matching the voltage of the motor).

Advice: “A useful skill when creating a robot is the ability to use a soldering iron, because it will help securely fasten the mechanism, especially the electrical components.”

With the help of these publicly available components, you can create a real technical miracle.

So, in order to make your own robot from materials available at home, you should:

  1. prepare the found parts for the mechanism, check their performance;
  2. draw a model of the future robot, taking into account the available equipment;
  3. put together a body for the robot from a construction set or cardboard parts;
  4. glue or solder spare parts responsible for the movement of the mechanism (for example, attach a robot motor to a wheelbase);
  5. provide power to the motor by connecting it with a conductor to the corresponding battery contacts;
  6. complement the themed decor of the device.

Advice: “Beady eyes for a robot, decorative horns-antennae made of wire, legs-springs, diode light bulbs will help to animate even the most boring mechanism. These elements can be attached with glue or tape.”

You can make the mechanism of such a robot in a few hours, after which all that remains is to come up with a name for the robot and present it to admiring spectators. Surely some of them will pick up the innovative idea and be able to make their own mechanical characters.

Famous smart machines

The cute robot Wall-E endears himself to the viewer of the film of the same name, making him empathize with his dramatic adventures, while the Terminator demonstrates the power of a soulless, invincible machine. Star Wars characters - the faithful droids R2D2 and C3PO - accompany you on journeys through a galaxy far, far away, and the romantic Werther even sacrifices himself in a battle with space pirates.

Mechanical robots also exist outside of cinema. Thus, the world admires the skills of the humanoid robot Asimo, who can walk up the stairs, play football, serve drinks and greet politely. The Spirit and Curiosity rovers are equipped with autonomous chemical laboratories, which made it possible to analyze samples of Martian soils. Self-driving robotic cars can move without human intervention, even on complex city streets with high risks of unexpected events.

Perhaps it is from home attempts to create the first intellectual mechanisms that inventions will grow that will change the technical panorama of the future and the life of mankind.