What is Wi-Fi Direct? Wi-Fi Direct is a standard that allows devices to connect with each other easily without a wireless access point or a router. The devices connecting using Wi-Fi Direct set up their own ad-hoc networks whenever required and users can look at the other devices that are available to choose the one they want to connect to. Using this feature, devices can communicate with one another at typical Wi-Fi speeds and carry out tasks such as file transfer and Internet connectivity....

Capacitors in series How to connect capacitors in Series? Capacitors in series means two or more capacitors connected in a single line. Positive plate of the one capacitor is connected to the negative plate of the next capacitor. Here, QT =Q1 = Q2 = Q3 = ———- = Q IC = I1 = I2 = I3 = ——— = IN When the capacitors are connected in series Charge and current is same on all the capacitors....

Full specifications of the tablet include a quad-core 1.8GHz Tegra 4 processor that comes from none other than NVIDIA and a 7 inch panel that packs a resolution of 1280 x 800 pixels. The imaging department is handled by a 5MP rear camera that works in conjunction with a 0.3MP shooter at the front. Complementing the 1.8GHz quad core processor is 1GB of RAM and 16GB of ROM. Unlike other devices in its category, the XOLO Play Tegra Note will come with a stylus, dubbed ‘Nvidia DirectStylus’....

An electric bike is a simple pedal-operated bike with a detachable/permanent electric motor. Since electric bikes are used for many applications, they are expected to perform on any surface conditions. It becomes important to know about certain factors while selecting an electric bike. Range: The range of the bike simply means the maximum distance it can travel with a fully charged battery. Since electric bikes are paired with batteries, they can either be pedaled or throttled....

These bikes offer comparatively thicker wheels compared to standard electric bikes, offering better compatibility with uneven terrains along with the benefit of a flawless riding experience. Here are some factors that make an electric fat tire bike a suitable option for a lot of users. Wheel Size: Apart from the thickness of the wheel, another factor that greatly affects the effort required to ride an electric bike is the size of the wheel....

Even if you’re not a big boy, you should still consider buying a heavy-duty camping chair because they will last a longer time and will continue providing support and comfort for the upcoming years. Here’s what you need to look for when you are buying a heavy-duty camping chair. Maximum Weight Capacity: Unlike standard camping chairs which can only support 225 to 300 lbs of weight, heavy-duty camping chairs can support as much as 500 lbs of weight....

Magnetic Power: The magnetic sweeper that can perform the best is the one that is powered by a strong magnet. A powerful unit can attract more pieces with ease and you can clean the area at a faster rate. So, to get the best magnetic sweeper for a tough job, make sure you are buying the one powered by a similarly powerful magnet. Handle Design: The handle design of a magnetic sweeper also comes into play when you are checking out its overall quality and ease of usage....

But before proceeding with the list, you need to check the following specifications in a torque wrench: Drive Size: The drive heads of different torque wrenches have a different size. It includes options like ½ inch, ¼ inch or ⅜ inch depending on the model that you get. These sizes allow you to use different sized bits that can be handy for different kinds of applications. Torque Range: Since these wrenches allow you to set a specific torque setting, the available torque range is quite important....

However, it is not possible if you already own a decent set of mechanics tools. These sets are not necessarily expensive, to begin with. There are a lot of budget options with limited tool options that can be ideal for homes. Here are some more important facts about a mechanics tool set. Type of Tool Set: Mechanical tool sets are specific sets of tools designed for a specific set of applications....

This is a very useful device and you should select the one that suits all your requirements. There are several factors that you need to consider when buying personal emergency alarms. We have discussed some of them below. Trigger Mechanism: The personal alarms have different kinds of trigger mechanisms which enables the concerned person to notify about the emergency. They can be in the form of a button which needs to be pushed during an emergency or in the form of a cord which needs to be pulled....

An LED is a special type of diode used as an Optoelectronic device. Like a PN junction diode, it conducts when forward biased. However, a special feature of this device is its ability to emit energy in the visible band of the electromagnetic spectrum i.e. visible light. A major concern to drive an LED is to provide an almost constant current input. Often, an LED is driven using batteries or control devices like microcontrollers....

Hole Spacing: Shelf pin jigs are well-designed templates used to make holes at exactly the same spacing between them. As you go through various jig options, you will find that some templates come with 25.4 mm spacing, while others provide you with 32 mm hole spacing. So, you can pick whichever jig suits your requirements. Hole Size: The next thing that you should consider checking on a shelf pin jig is the hole size....

Here are some basic yet essential factors you need to keep in mind. RAM Speed: When it comes to buying DDR4 RAM for your PC, you must focus on the RAM speeds. Better RAM speeds ensure better data transfer rates which can help you achieve better FPS while performing heavy operations, like playing hardcore games. Capacity: Capacity is an equally, probably more, important factor when purchasing a RAM. It helps you determine the multitasking ability of your system....

If you are interested to buy one, we have prepared a list of all the best travel routers for you, so finding the best suitable option for yourself is quite easy, all you need to do is keep in mind a few things before buying such as; Data Transfer Rates: One of the most important factors that you should consider while buying a new router is its data transfer rate, or say speed....

However, if you use a laptop, there’s not much room for storage expansion, so buying an external hard drive becomes a necessity for everyone. That being said, we have chosen a few good external hard drive options from the market, all from the top brands, so that you can easily pick a viable option for yourself. But, before you make your choice, make sure to consider a few things like:...

Introduction to 8051 Microcontroller Instruction Set Writing a Program for any Microcontroller consists of giving commands to the Microcontroller in a particular order in which they must be executed in order to perform a specific task. The commands to the Microcontroller are known as a Microcontroller’s Instruction Set. Just as our sentences are made of words, a Microcontroller’s (for that matter, any computer) program is made of Instructions. Instructions written in a program tell the Microcontroller which operation to carry out....

Now, before we dive into the books’ reviews, it’s important for you to understand and keep a few factors in your mind before making a decision. 1. Level of learning When you are out there buying a book on a particular subject, make sure that it matches your level of learning. If you have just started, it’s necessary to go for the beginner’s guide so that you don’t miss the basic concepts and fundamentals....

Band Pass Filter, like any other filter, can be designed around active components like Transistors and Op-amps. If you want more information on Passive Band Pass Filers, read “Passive Band Pass RC Filter“. Introduction A Band Pass Filter is a circuit which allows only particular band of frequencies to pass through it. This Pass band is mainly between the cut-off frequencies and they are fL and fH, where fL is the lower cut-off frequency and fH is higher cut-off frequency....

And while you may come across various welding alternatives out there, aluminum brazing is considered as one of the best for a large number of reasons. As per the name, it uses aluminum and molten metals to fill in gaps between metals to repair them and join them. But if you wish to know everything in detail regarding aluminum grazing, then you should check out all the aluminum brazing information explained down below....

We are talking about Android Auto for android connectivity and Apple CarPlay for Apple devices. Both of these options are highly popular with their respective user base. So often you will often find these groups arguing about which service has better features and offers more comfort to the user. Therefore, we are going to take a look at both of these options in depth and try to find a conclusion to this debate....