47 cool homemade products from Aliexpress (#14 Alimania)

Forge from a balloon

The forge allows you to heat the metal for further forging and processing. The device can be made from a 25-liter old gas cylinder.

Do-it-yourself master class - making a forge:

• Cut the end parts of the cylinder using an angle grinder with a cutting disc. Do not throw away the cut parts; they will be useful for making the door and back part.
• Finish the inner surface of the cylinder with fireproof karmic wool. The maximum permissible temperature for the material is 1200°C.
• Apply a layer of fireclay clay on top of the cotton wool, which can withstand temperatures up to 1500°C.
• Lay out the bottom from refractory bricks or fireclay slabs.
• Make a hole in the top and install a compact squeegee for installing a gas burner. Use a burner that is powerful enough to produce temperatures in excess of 1000°C. For home forging this will be quite enough.

In the photo of a homemade product made by yourself, you can clearly see the design of a home forge and the process of its manufacture.

This is a practical option for setting up a small home forge, in which you can forge almost any part.

Garage lift

You can make another cool homemade product with your own hands - a garage lift. To assemble it you need the following materials:

• 2 supports – pipes 100x100x2350 mm;
• cross member - a pipe of the required length with a cross-section of 100 mm;
• 4 rod stands – pipe 100x100x600 mm;
• frame parts - corners, shelf width should be 100 mm;
• 2 steel rollers along which the cable will move.
• 4 wheels.

It is recommended to use a hand winch as a lifting mechanism. It should be able to withstand loads of up to 500 kg; this will be enough for a garage workshop. The winch must be securely fastened to one of the supports.

Using this design, you can perform various automotive repair work, for example, lifting the engine and other large parts.

Mobile tool rack

This is a compact but extremely spacious rack. If necessary, it can be easily moved. A good craft for a home workshop.

It is especially useful when performing construction and repair work, when you need to constantly move around the territory with a large number of tools.

For assembly, you need to make a mobile platform on wheels. It is made from 45x45 mm corners and fairly thick plywood.

Wheels can be both large and small, for example, from furniture, which depends on the planned load.

Fasteners for tools need to be installed on the rack. It is necessary to ensure that each tool is securely fixed and not scattered chaotically.

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In the video of creating a homemade product with your own hands, you can clearly see the process of making such a rack and other devices that can be used to store and move tools.

Choosing video surveillance software

The market offers a large variety of server software for organizing broadcasts from CCTV cameras. From the feature-rich Macroscop to simpler, virtually online video recorders that record on a hard drive (for example, Shinobi or iSPY).

Software cost

All services that provide software have different licensing terms. This can be either a one-time large payment or monthly subscription payments. Payment can be for the software itself, or for added cameras, the number of users, the storage period of the video archive, or for additional video analytics modules. The main thing is to understand the tasks that your video surveillance system will face. This way you can calculate all the required functionality and select the optimal solution.

Dependence of server characteristics on software

The more serious the software’s capabilities (video analytics: counting people, facial recognition with entry into the database, reading and recognizing license plates, etc.), the larger the budget will have to be allocated to the server part. This is justified by the fact that the server decompresses the video stream and uses video analysis algorithms. Additional load falls on the processor and video card. So the cost of the server can increase many times over.

What to choose for video surveillance in apartment buildings?

The key features of video surveillance in apartment buildings are a large number of subscribers and the low cost of software and servers.

In our work we use server software of our own design - “MainStreamer” (distribution and documentation are available after registration in the LC). Software and services created specifically for use in apartment buildings have all the functionality residents need: low requirements for the server part, support for popular codecs and protocols (H.264 and RTSP), a mobile application and convenient management of residents’ accounts.

When describing the selection of a server, we will rely on (to calculate the components of the video surveillance server).

Kitchen apron made of corks

The wall of the work area in the kitchen, as a rule, has a special apron. As a rule, it is made from ceramic tiles. But, you can also use non-traditional materials.

You can make an amazing homemade product with your own hands - an apron made from wine corks. They can simply be fixed to the wall with suitable glue.

Cut the corks lengthwise into 2 parts. Before gluing, it is advisable to paint the wall black, this will make the apron look more beautiful. You need to glue the plugs with liquid nails.

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You can create any pattern depending on the way the plugs are placed. It is unlikely that you will be able to achieve straight rows, so it is worth laying out the original drawing.

It is advisable to cover the plugs on top with a sheet of tempered glass. This is necessary to protect them from moisture and contamination. Use anchor dowels to secure the glass.

Homemade products for skilled hands

The homemade designs proposed for repetition for lovers of creativity will help make life more comfortable, repair work more convenient, drive moles away from a summer cottage, disinfect the premises and remove harmful insects.

Connect several TVs to a cable network, check the twisted pair cable, check the electrical wiring of the car and make a charger for the battery - all this can be done by a home craftsman using the materials below in the articles presented.

New publication

Mini disc grinder

For sharpening knives and threading drills, as well as shaping small parts from any material, we propose the design of a simple mini sharpening machine made from a computer hard drive. The article contains a video clip of the machine working when sharpening a knife.

Electronic homemade products

The articles present with detailed descriptions and electrical diagrams electronic homemade products, invented and manufactured by the author of the site.

Decorative table with round top

An example is given, illustrated with photographs of making a decorative table with your own hands with a round tabletop from scraps of plywood 20 mm thick.

Screen for radiator made from furniture edge

Heating radiators are usually covered with a screen. We offer an original design of a decorative screen for lovers of homemade products, the lattice of which is made from the interlacing of furniture edges.

Window curtain rod

It is easy to make a cornice for window curtains with your own hands from any sheet material - chipboard, plywood, wooden board. The article describes the manufacturing technology and methods of fixing a chipboard cornice finished with self-adhesive decorative film.

Toilet bidet made from scrap material

The articles describe a method for independently retrofitting an ordinary toilet with a bidet function with natural water heating and electronic control of water supply to the fountain. The video demonstrates the operation of a homemade bidet.

Repair table

A homemade repair table will increase labor productivity during repairs and make work comfortable. You can make it yourself from available material - chipboard sheets or plywood from old furniture, twisted with a dozen self-tapping screws.

Miter box for precision sawing

To obtain high precision end angles when sawing slatted material and increase productivity, a simple device was invented - a miter box. It is easy to make it yourself from scrap materials.

Homemade foam cutting machine

The design of a homemade device for cutting foam plastic using a nichrome string is proposed. Options for electrical circuits for heating wire from a 220 V household network are given. There is a video of the machine in operation.

Tray for folding stepladder

When performing repair work at height from a stepladder, there are always not enough hands. For convenience, we offer a homemade design of a simple device - a removable tray for a stepladder.

Rubber roller for smoothing

When sticking and smoothing wallpaper or self-adhesive film, it is best to use a wide rubber roller to prevent bubbles. You can make such a roller yourself from a roller from a copying machine that cannot be repaired.

Sew a leather wallet

It’s easy to make a leather wallet for paper bills, cards and small items with your own hands from scrap material – the tops of worn-out women’s boots. The only tools you will need are a ruler, a sharp knife, glue, nylon thread with a needle and a fastener button.

Charger for car batteries

The design and electrical circuit of the charger for car batteries are shown. High efficiency, protection against output short circuits, stable charging current over time, independent of the battery charge level and its capacity.

Car strobe light

What is a car strobe light for? Electrical circuit diagram, operating principle, design and details of a homemade car strobe light. Instructions for setup and operation.

Car tachometer

Purpose of a car tachometer. Electrical circuit diagram, operating principle, design and details of a homemade automobile tachometer. Instructions for setup and use.

Car electrician tester

To repair electrical wiring and check the serviceability of a car's electrical equipment, it is much more convenient to work with a tester-probe, made with your own hands from just two parts, any LED and a resistor, mounted in the body of a ballpoint pen.

Car wiper drain

It is proposed for repetition of a home-made design of a water drain from a used windshield wiper blade. Thanks to the large width of the rubber blade, the water cleaner allows you to quickly remove water from the surface of the car body and windows.

Frame for car license plates

How to attach, remove, or repair a cracked plastic license plate frame. Drawing and photo instructions for making a metal car license plate holder with your own hands.

Homemade elegant tablet stand

When working on a tablet without a stand, your hands get tired quickly. A design and method for making a homemade tablet stand made of organic glass is proposed.

How to make a metal monitor stand

The design and drawings of the original stand for the LG 22MK600M monitor are proposed to optimize the height of its installation in accordance with the requirements of GOST R 50923-96.

Twisted pair cable tester with LED indication

The proposed circuit and design of a homemade tester for checking a twisted pair cable with LED indication is so simple that it can be made without even having knowledge in the field of radio electronics.

How to remake a chandelier or lamp

The articles provide examples of replacing fluorescent lamps in lamps with LEDs, replacing a fluorescent lamp for aquarium lighting in an Aquael lid with an LED one, remodeling a ceiling chandelier and making sconces.

Mini drilling machine

To drill small-diameter holes in the manufacture of printed circuit boards and other homemade products, a tool is needed. The original design of a simple small tabletop drilling machine is offered for repetition. There is a video of him working.

Air ozonizer

One of the most effective ways to combat germs, bacteria, insects, rodents and unpleasant odors is ozonation. The design of a homemade ozonizer and a calculator for calculating processing time are proposed. A short review of industrial ozonizers is made and examples of practical application are given.

Rodent (mole) repeller

An electrical circuit and design are provided for replicating a simple mole repeller of our own design from simple parts. The circuit does not require configuration and therefore anyone can make it with their own hands.

TV crab

If you need to connect several TVs to a cable network or antenna, it is not necessary to buy a crab. It's easy to do it yourself. The article presents several illustrated photos of splitter designs for self-production.

Thyristor power regulator

With just a few parts, you can assemble one of the three proposed thyristor power regulator circuits with your own hands. One of them does not create radio interference at the circuit level, with a detailed description of the principle of working with oscillograms.

How to power a wall clock from the network

A home-made circuit and design of a power supply for a quartz wall clock with a pendulum and striker, made from a standard pulse adapter, several diodes and resistors, is proposed. How to install a sound switch and LED pendulum illumination in a striking clock.

Lightbox - how to make it yourself

A simple, original design of a homemade lightbox for shadowless photography of small objects is proposed. Here are a few photos taken in a DIY photo box.

How to make a third soldering arm in an hour from a neodymium magnet, two stands and crocodiles

How to make from scrap materials the device necessary for high-quality soldering of small parts and wires, third hand, with your own hands.

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Wall folding table

If the kitchen is small, you can make a folding table attached to the wall. This is also a great idea for a balcony. For example, with the help of such a table on the balcony you can create a full-fledged work area or a place to relax.

In a compact kitchen, a folding table will be extremely useful. It can be used instead of a dining table or work area. But, the kitchen table should be more than on the balcony.

In the same way you can make a convenient ironing board. When folded, it takes up minimal space, so it can fit in any room, even a small closet.

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Price comparison: server or network video recorders?

Until recently, video surveillance systems were based on one or more video recorders. Let's compare the advantages and disadvantages of using DVRs versus video servers. For example, let's take the configuration of a video server for 80 cameras in a DNS store and a HiWatch DS-N332/2(B) network video recorder.

We are designing a server without hard drives, because... They are also not included with DVRs.

The cost of both the server and the registrar is about 23.5 thousand rubles. A video surveillance system for 80 IP cameras, built on three DVRs, will cost approximately 70 thousand rubles, without storage devices.

Speaking about video archive storage: the maximum storage capacity of the video server given in the example (excluding the system disk) will be up to 54 Tb, which is 2.5 times more than on one recorder - 20 Tb. The number is almost equal to the maximum amount of memory on 3 DVRs. Which again is a plus for the video server.

The video server offers the same amount of memory (at 3 times lower cost), greater functionality, and convenience for end users. The maximum number of users simultaneously connecting to the broadcast is practically unlimited.

Summer shower

At your dacha or in a private house, you should definitely equip a comfortable summer shower. It will help you cool down in the summer heat.

Instructions on how to make a homemade product with your own hands:

Assemble the frame frame for the booth. It can be made of wooden blocks or metal profiles. You can also use other materials that are found on the site.

Place a container on the roof to collect water. Today it is common to use plastic tanks, but you can also find unnecessary steel containers. Select the volume based on your needs.

If the tank is steel, it is worth covering it with black paint. This color attracts solar heat, so the water will heat up faster.

If necessary, a heating element can be installed in the tank, which will allow you to use the shower in almost any weather.

Externally, the cabin can be finished with boards, sheet profiles, plywood, etc. If you do not want to do a full-fledged finishing, simply cover the cabin with film or tarpaulin.

Selecting an OS for the server

The most popular operating systems for video surveillance servers today are Windows and Linux Ubuntu.

What criteria are used to evaluate the validity of choosing a particular OS? Let's look at it in detail.

Windows

Pros: amount of information about operation and setup, friendly user interface and ease of administration. Don't forget about the huge amount of additional compatible software. But within the highly specialized task of building a video surveillance system, there is no great need for additional software.

Speaking about the disadvantages of Windows, we can highlight three main ones: cost, resource consumption, and security. The rather high cost of OS licensing can be important when the budget is generally limited. The resources consumed by the OS can also be used, at least for connecting additional CCTV cameras. In the Windows environment, there are many virus programs for different versions and platforms, and video surveillance must be reliable (to ensure the proper level of security).

Linux Ubuntu

It is a free and open source solution, which provides clear advantages when purchasing and using the software. Ubuntu (compared to Windows) has lower resource costs. The system is less susceptible to malware, which makes it more reliable in terms of security.

What is better for a video server?

Definitely Linux. Setting up and administering Linux may seem quite complicated to an inexperienced user, but (if there are manuals) the option of using Linux as an OS for a video surveillance server is the most correct (due to lower costs for the OS and hardware, greater security).