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LED cube 3x3x3 not programmable

I think many wanted to collect such a cube, but not everyone had the opportunity to purchase a microcontroller (MK), and not everyone knows how to program. Therefore, here is an alternative: It does not need programming, the circuit is simple and all details are accessible. And the CD4020 chip provides a variety of compositions that are not inferior to programmable cubes.

Tinted rear lights

Why tint the taillights? Can aesthetic pleasure be more important than safety? The reason is the same pre-sale preparation, tinting can hide damage to optics, cracks, scratches. In some cases, when replacing one stop, the difference between the fresh and old parts, poor quality of duplicates become visible (for example, the color of a native part may be saturated or of a different shade).

Attic insulation

I began warming the attic floor with warming of the roof space and walls, then I installed additional elements of the heating system and put backup power for the circulation pump. The walls and roof were tiled in a multilayer way: vapor barrier, foil insulation "Isospan" ("Adgilin", etc.

Flower "Pansies"

Massive jewelry has always distinguished creative and bold natures from the crowd, and now it has become a must-have in the fashion world. Today, the larger and more noticeable the ring, the more accentuated the sense of style and following fashion trends, the more the attention of others is riveted. Massive rings for several seasons in a row flash on the world catwalks.

VA, RCD, AVDT - What to choose?

Electricity creates comfort, but becomes dangerous if an accident occurs in the power supply. A short circuit of potentials sharply increases the current in excess of the permissible value. The wires overheat, which can cause a fire. Reduced line insulation will leak through the cabinet or damp wall.

Homemade guide for household electric drill

Sometimes you need to drill an accurate and accurate hole, but experience is not enough for this. To do this the first time, you can use a simple home-made guide for a drill (for perpendicular drilling). Using a vertical rack with guides, you can increase the accuracy of drilling holes with a household electric drill.

Popular Posts

Homemade Car Valve Wood Cutters

Wood cutters are carpentry fixtures that are needed to perform various woodwork. They can be used both for cutting figures or patterns, or just for getting rid of knots from logs. These useful tools can be made independently from a car valve, especially since the cutters are excellent, with high quality, not inferior to factory analogues.

How to make a cappuccino

Cappuccino is a famous Italian drink, beloved all over the world. It is believed that only a professional can prepare this refined and incredibly beautiful drink. Let's try to debunk these ridiculous rumors. I assure you that after a little practice, you will enjoy a cappuccino made with your own hand, topped with snow-white foam.

Icon Jesus Christ

An unusual master class will open to everyone who wants to master this type of art the subtle world of icon painting with its own rules and regulations. To understand this skill is not so difficult if you approach the matter with patience and love. For creativity, we need materials: - board (in this case 15 * 20 cm); - skin; - white acrylic paint (as a primer); - gouache (it is better to purchase individual jars of gouache, including a gold color); - PVA glue; - brushes of different sizes (preferably protein or columns); - varnish for woodwork (matte or semi-matt); - an icon or photograph, picture or Orthodox calendar with which we will make a list of icons.

Sensitive microphone for computer

The simplest computer microphone is a Chinese capsule connected to the input. This microphone capsule is also powered by a computer input. It consists of a condenser microphone with an amplifier on a field effect transistor. The sensitivity of such a capsule is sometimes not enough, you have to bring it in tight to the face so that the sound level is normal.

How to install a socket in the bathroom, if the tile is already laid out

Consider a typical situation: you made repairs in the bathroom, laid the tiles, and then it suddenly turns out that you need to install a power outlet. For example, to connect a water heater (boiler) or a washing machine. It is clear that in this situation it does not make sense to shatter the walls (otherwise all repairs will go down the drain).

How to make an effective wire stripper

With a large amount of work with electric wires (replacing highways, repairs, etc.), you can not do without a special device for exposing the ends of the wiring. There are special mechanisms to facilitate this time-consuming process, but few people know that in five minutes, from a practically available means, you can make a simple and effective device for cleaning cables of different diameters (from 10 mm or less).

Christmas tree cross

To hide the unsightly cross of a Christmas tree as a child, we used cotton wool. Then they wrapped a piece of cloth around it and now, finally, I had the opportunity to sew a real skirt on a Christmas tree. Or rather, a cloak on the base of the tree. I sewed a skirt from caps (for lack of loose fabric). The beauty of such tailoring is that the edge of the fabric does not crumble, the snow-white edging is already sewn and it remains only to add decor elements.

Homemade cheese in 10 minutes. Simple, tasty, inexpensive.

Whole farm milk can be used to make cottage cheese or cheese. It cooks quickly enough - about 10 minutes. It takes about two hours to shape the product. After it can be offered to the table or placed in a brine to save longer. The amount of the finished product: 400 g.

Homemade wood planer from a regular bar

For many people, working with wood is a great pleasure. It is so nice to make natural wood something useful for a summer house or home. Whether it is an ordinary window frame with a window leaf or an original bench. For such work, a carpentry planer for wood, which you can do with your own hands from an ordinary bar, will be required.

Felt tablet case

In today's world, many people use tablets, phones. For the convenience of their storage, you can sew a felt cover with your own hands. It is pleasant to work with this material, it is strong, durable. The practicality of things depends on the thickness of the felt. You can choose according to your taste and wishes. To make it, prepare the following materials: - Felt 4 mm thick.

How to make a DIY repairman’s universal outlet

Very often in the process of carrying out repair work (at the initial stage) there is only a cartridge at the facility, but there are no sockets. Accordingly, connecting a tool (grinder, drill, etc.) is problematic. A similar situation arises when it is necessary to perform any work in the stairwell. How to be in this situation?

Compact charger for any external battery

Sometimes it happens that you need to charge a battery of a certain size, but we have a charger for a different size. Chargers in stores a huge assortment, both for certain batteries, and universal, charging different batteries. It would seem that it could be easier: go and buy!