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What is Attenuation? In simple terms, Attenuation is the loss of an electrical parameter of a signal (or an electromagnetic wave) such as voltage, current or power during its transmission. The amount of attenuation is usually the ratio of the electrical parameter at the output to the same parameter at input under specific conditions. As the signal travels along the cable (or a transmission line), it gradually gets weakened due to attenuation....

Generally, electrical and electronic appliances that we use in our home are controlled with the help of switches i.e. we toggle the switches to turn the appliance ON or OFF. But in this project, I will show an interesting way to control any device like a Light Bulb for example. The method implemented here involves a Wireless Switch Circuit where when you slide our hand in front of the circuit, the device (like Lamp) will be turned ON and if you slide you hand once again, the device will be turned OFF....

Battery Capacity: Similar to any other battery, you should also check the capacity of your CPAP battery if you are looking for something that is supposed to last all night long with your CPAP machine. As a result, you can find different battery capacity ratings like 40000 mAh, 60000 mAh, and even 80000 mAh where a higher rating is always better. Battery Runtime: Apart from the battery capacity, some CPAP batteries can also have an exact battery runtime rating which tells you about the time for which you can expect your CPAP machine to run on a full charge of your CPAP battery....

Smooth mechanics: You definitely will look for a smooth and simple opening and closing of your cabinet. Even the slightest bit of uncomfort will result in dissatisfaction. So, while shopping for the soft close cabinet hinges online, make sure that you consider the small size and stronger screws. Remember that the stronger screw attachment will make the operation smoother and more durable. Build quality: The material used for the hinge construction surely affects its durability over a longer period....

Apart from these few aspects, there are a few more key points that you can check in a solar powered speaker to make your purchase decision wiser. Thus, to help you out, we have also included a detailed buying guide in this article below. If you are buying a solar powered speaker for the first time, you should definitely consider reading the “Buying Guide” as it will be a lot useful for you and will help you pick the right solar powered speaker from our list....

If you want to make your own projects with creative ideas, but don’t know how to start; then Raspberry Pi book guides you the best as its importance is known to the world for making incredible things from robots to many other devices. [amazon box=”1259587401,1119188687,1119049512″ grid=”3″ tracking_id=“raspberrybooks-20”] Raspberry pi books come with the finest coding and tutorials that is considered as a gateway to the world of computer design. It has brought a revolutionary change in the field of computing from learning programming to electronic devices....

They are powerful enough to handle any kind of job task. Because of cast iron tank, they can hold compressed air for a long time. To help you decide which 60 gallon air compressor is the right one for you, we recommend considering below options… Maximum Air Pressure: It represents how much powerful the air compressor is and the applications it can be used for. You should buy air compressors that offer a maximum air pressure of 150 PSI or higher....

Before, radios used to be quite large and were a hassle to travel with. But thanks to advanced technology, radios have become pocket-friendly, and you will also find dedicated headphones that come with built-in FM radio features. Here are some important things to consider before you pick up an AM FM radio headphone. Noise Reduction: This feature is very important, especially with over-the-ear headphones in case you are probably going to wear them in areas where there is a lot of noise around you....

In this method, one or more metal parts are joined together by high-temperature melting, or by introducing a filler material between the joints to fuse the parts together. As you can imagine, it changes the physical as well as chemical properties of the workpiece. To control the process, the brazing flux is introduced at the time of brazing. If you also perform the brazing process frequently, you should have a reliable can of brazing flux by your side....

As there are a lot of options today when we talk about the fender eliminator, it can become quite difficult to choose the correct one. So, we have made a list of features that you can consider when selecting your ideal one. Type: There are basically two types-no cut eliminators and cut eliminators. As the name suggests, the former does not require you to cut through the bike’s frame while the latter needs you to cut through the frame of the bike with some tools....

Number of Buttons: When you’re playing games, you need to perform a lot of in game actions. And since you’re using your keyboard for movement, most Corsair mice come with multiple buttons allowing you to perform actions using your mouse. While entry-level Corsair mice offer 6 to 8 buttons, higher end ones can even come with up to 17 buttons for MMO and MOBA games. Sensor Sensitivity: To get the best possible gaming experience, you should go with a high sensitivity sensor mouse since they are more accurate and precise....

CPU: Taking a look at the insides of any laptop, the CPU is the most important component since having a powerful one is highly important for a powerful laptop. This is due to the reason that CPU models like the AMD Ryzen 7 5700U and the Intel Core i7 11370H perform much better than entry-level options like the Intel Core i5 1035G1 or similar. RAM & Storage: You should also check the RAM and storage capacity offered by your laptop if you want a smooth experience....

A nanny cam will allow you to watch your child and the nanny even when you’re not physically present there, so you can always have your peace of mind. Nanny cams in different shapes and sizes with dozens of features that can be overwhelming if you’re a first-time buyer. To help you find the best one ideal for your use, we are enlisting the best Nanny cams available in the market right now....

Screen Size: Just like a standard monitor, you should check the screen size of your touch screen monitor to make sure that it is large enough for you. While most of them are 15 or 16-inch monitors, you can also find smaller sizes at 7 inch as well as larger sizes at 22 or 24 inch for different kinds of uses. Resolution: Whether you are going with a large size or a small size monitor, making sure that it offers a sharp image is highly important....

Even in the kitchen, one of the most convenient places to keep a trash can is under the sink. You would be able to use the can as soon as you are done with the dishes, or unpacking something. Here are some properties of an under sink trash can that make them such an important accessory. Capacity: Since a trash can is basically a hollow box that contains trash, one of its most important properties is its size....

With the increase in demand for intuitive and easy GUI (graphical user interface), the development in touch screen technology has also taken an exponential curve. So, we will try to learn a little about touch screen technology, different types of touch screen technologies available, the advantages and disadvantages of each technology etc. What is a Touch Screen? Simply speaking, a Touch Screen is an input device in an electronic system....

As the name suggests, a High Pass Filter allows only high frequency components of a signal while restricting low frequency components. The Active part of the name is an indication that Active components like Transistors, Op-Amps etc. are used to design the filter. If you are looking for information on Active Low Pass Filter, check out this tutorial: “Active Low Pass Filter“. Introduction A high pass filter will allow the frequencies which are higher than the cut-off frequency and attenuate the frequencies lower than the cut off frequency....

First, we will see the importance of these connectors. Then, we will see the different types of Air Compressor Fittings. Importance of Air Compressor Fittings Air Compressors are very important tools in automotive and industrial environments. They store high pressure air in tanks, which we can use to power several pneumatic tools. The operation of an air compressor is also simple. Shut off the valve to the tank. Set the pressure....

Home automation reduces the physical efforts and integrates the control for any number of appliances in to a single control unit. Hence, a simple home automation system is a remote control of different electrical appliances i.e. turning them on or off with the help of a remote. There are many ways to implement this remote control system. With the extensive use of smart phones and tablets, Bluetooth may be the best option to implement the home automation....

A faulty attic fan can be due to many reasons. You need to troubleshoot properly by identifying the problem. Whether it is checking the thermostat or diagnosing electrical problems, you need to get everything fixed. You will have to get the right parts and replace the parts whenever necessary. Even though attic fans have the least maintenance, you will not be able to repair the one which is damaged....