Internet 2024, September
Disassembling the remote control is in most cases an unnecessary step, which is done in order to repair badly pressed buttons or in case of a malfunction. In the second case, it is best to contact the services of service centers, or, even better, purchase a new control device if you do not have the skills to work with microcircuits
Sometimes it becomes necessary to make simple small printed circuit boards. Ordering their manufacture in the company is long and expensive, you can make them yourself. So, the process of making printed circuit boards at home step by step. Let's consider the process of making printed circuit boards at home using a specific example
Most microphones, especially professional ones, do not have their own volume control. The additional equipment to which it is connected is responsible for the volume of sound. This is a computer, amplifiers and mixing console. It is necessary - microphone
If you have purchased an all-wave radio and want to listen to long-distance, medium-wave and short-wave radio stations, you will need to equip your radio with an external antenna. Such an antenna will allow you to experiment with a detector receiver
Among all possible types of lamps, experts identify LED as the most economical. But if you choose the wrong LED lamp, you will at least feel discomfort with artificial light. What characteristics of an LED lamp should you pay attention to when buying it?
Newfangled invention - electronic books. Perhaps they have more positive qualities than negative ones. But there are also enough significant drawbacks. For example, their fragility. Since the time when e-books appeared, the question has been increasingly discussed:
Satellite television is now far superior to alternative television viewing options such as cable television and decimeter antennas. It has a huge number of channels for all tastes and preferences. However, most of them are paid and closed at no additional charge
Quite a lot of so-called Smart TV models have appeared on sale. Moreover, the price for such devices is already quite affordable. But before you buy a regular TV or Smart TV, you need to understand what it is. Most TVs enable Smart TV mode separately, by default it works like a normal TV
Many vehicles do not provide a standard location for a whip antenna, or the antenna is not installed. In this regard, active car antennas, which have small dimensions and are available for installation in the cabin on the windshield, have become very popular
In this article we will look at what an I2C interface (ay-tu-si, i-two-tse) is, what are its features and how to work with it. It is necessary - Arduino; - digital potentiometer AD5171; - Light-emitting diode; - 220 ohm resistor
If you already have a set of satellite equipment, but the number of channels does not suit you, you can add additional channels using some techniques. Additional channels are free, that is, open, channels that are available to everyone. For example, owning the Tricolor TV channel package, you can easily find additional channels by working a little with the equipment settings
Radios are popular with truckers and security guards, as people of these professions need to constantly keep in touch with each other. The use of mobile communication in such cases is not advisable due to the high cost of a minute of conversation
Signal jammers can be used in different areas. Dealing with a certain type of signal and knowing its frequency, it is possible to independently assemble this device. However, this should only be done if you have radio engineering skills. It is necessary - radio engineering skills
This time we will connect the digital 16-bit light sensor BH1750 (luxometer), implemented on the GY-302 module, to the Arduino. It is necessary - Arduino; - module GY-302 with a digital light sensor BH1750; - Personal Computer
Buying a smartphone today is quite an ordinary event. However, for the convenience of using a brand new gadget, it is worth making a few additional purchases. What to buy at the same time with a smartphone so as not to spend a lot of money? Modern manufacturers produce many different accessories for smartphones running different operating systems
Satellite TV allows you to watch TV channels anywhere in the world, which is very convenient for those who live in isolated settlements or outside the coverage area. To enjoy watching TV, first of all, you need to correctly tune the satellite dish to the desired satellite
Just after spending a couple of hours in the cinema, many people try to recreate that feeling with home theaters. There is no doubt that the market has the right equipment to meet the demand. You will find a wide range of equipment, furniture and 'extras' to experience the same home theater experience as much as possible
If we need to buy a washing machine, we go to a home appliance store, but an unprepared person can really get confused when it comes to choosing from the available models … The choice of a washing machine for rented housing is even more difficult
Let's connect the module with a sound sensor (microphone) to the Arduino. It is necessary - Arduino; - module with electret capsule microphone CMA-4544PF-W; - connecting wires. Instructions Step 1 The electret microphone CMA-4544PF-W, which is the basis of the module, responds to sound waves with frequencies from 20 Hz to 20 kHz
Choosing the wrong refrigerator will make life for the whole family very uncomfortable. What criteria must be considered when buying this technique? Before making this rather expensive purchase, carefully analyze your needs and capabilities
A heated towel rail can be considered a trifle, not very important and necessary, but only by purchasing this item you can understand how convenient it is. An electric heated towel rail can be found in private homes or hotels quite rarely
During the soldering process, there are situations when you need to remove excess tin. This can be done in different ways. Of course, when soldering parts on boards, you should use the solder as carefully as possible, but there are situations when the tin is too much
The interactive whiteboard connects to a computer and a projector. It can be used in conjunction with a special marker or finger. It's worth learning more about managing well-known whiteboards like SMART Board, eBeam, and ActivBoard. It is necessary - Interactive board
Buying a satellite dish is not only the first step towards multichannel television, but also the acquisition of a number of problems that need to be solved the sooner the better. This is not only about connecting the device, but also about setting up the broadcast signal, which you can set up yourself if you wish
The quality of the radio signal for both reception and transmission is very dependent on the antenna. Antennas are of different types. They can be directional and non-directional, they can have different polarizations. But all antennas have common elements
A power outage is annoying in itself, but doing important work on your computer can be a disaster as work that has not been saved is lost. Laptops in this sense have an advantage over desktop computers - they have a built-in battery. They also came up with a solution for a PC - a UPS - an uninterruptible power supply
Tablets are becoming an integral part of the modern world. To implement many of its functions, the Internet is required. Due to the fact that wi-fi is not always at hand, manufacturers release tablets with support for SIM cards. It is necessary iPad with a valid SIM card Instructions Step 1 If the SIM card is already inserted into the iPad, proceed to the next step
The choice of a tablet, as well as a stationary computer, is a rather responsible procedure. The future owner needs to pay attention to absolutely all parameters, including RAM, so as not to regret the purchase later. RAM on the tablet The RAM on the tablet, as on a normal computer, is directly responsible for the speed of the device itself
A midi keyboard is an electronic device that can turn physical effects, such as adjusting the volume or pressing a key, into an ordered sequence of digital operations. It is necessary - computer keyboard; - non-working synthesizer / electric piano
It happens that you write programs for "Arduino", load them into memory, and everything works great. And then suddenly they don't load anymore. And the development environment, when trying to upload a sketch, gives an error: "
Seems like it could be easier than connecting a button? Nevertheless, there are pitfalls here too. Let's figure it out. It is necessary - Arduino; - tact button; - 10 kOhm resistor; - bread board; - connecting wires
Many have portable radios. It is not a problem to buy them in the store, but ground obstacles, wires and metal objects often interfere with their work. But you can assemble a stationary walkie-talkie of low power with an increased range. It can stand at home or in the country, and a good antenna will increase its range up to 5-10 km in any conditions
The automatic number identification function is very often available if there is a corresponding setting item in the phone menu, but it is not always easy to disable it. It is necessary - instructions for your phone; - technical support numbers
Camcorders are supplied with a USB cable for connection to a computer, which allows using their functionality as a high-resolution webcam. This can be done in two ways. It is necessary - device driver; - WebcamDV program. Instructions Step 1 If it is possible to connect your camcorder to a computer via a USB interface, check that the package contains a driver disk, the installation of which will allow you to pair devices in webcam mode
In stores you can find many models of electric shavers - from simple and cheap to real "spaceships plowing the vastness of the Bolshoi Theater." What are the criteria for choosing a razor should you navigate in order to choose the most convenient model?
The pager is a paging receiver. It is designed in such a way that it allows you to receive short text messages through the paging network. The very first pager was released by Motorola in 1956. He immediately became popular with nurses, taxi drivers, couriers
Despite the growing popularity of modern ways of transmitting a television signal, terrestrial television has not gone out of use everywhere. For him, of course, you need an antenna. You can make it yourself, and from a variety of materials
In our stores you can find so many different gadgets that you may simply not have time to remember even their names, not to try to use each type. I must say that nettops for home are bought, in my opinion, not often, so I suspect that not everyone knows what it is
Breakdown of a TV is not a big problem today, because there are many places where you can take a broken TV. It all depends on how severe its breakdown is. Instructions Step 1 Case 1. The TV broke down during the warranty period
No matter how carefully you plan the move, it is unlikely that it came to thinking through the smallest details of the transportation of every fragile item. But some home appliances require more careful handling, such as an LCD TV. It is necessary - factory packaging from the TV, - large box