Although, despite being almost perfect, even an Apple MacBook can face issues. This can include both small software bug issues as well as larger hardware level issues. One such issue that some users can face is that their MacBook Pro won’t turn on. And if you have such a high end laptop, you would want it to function properly. Since it can also affect your work, we are here with a complete tutorial for the same....

Speaking of the device’s specifications, it comes with a 4-inch screen with a WVGA resolution of 800 x 480 pixels which accounts for a pixel density of 233ppi. The device is powered by a 1GHz Spreadtrum SC7710 processor, which has only one core. There will be 256MB of RAM alongside the single core processor, so you can expect the device to be laggy at times. The phone will have just 512MB on-board storage....

Learning Morse code is quite interesting and helps you transmit a secret message in an encoded way so that no one else can read it instantly. Here are all the details you need to know about Morse Code Chart. History of Morse Code Invented by Samuel Morse in the 1830s, Morse codes were used in World War II for radiotelegraphy. This means the codes were used to transmit messages between naval bases and warships....

Getting back to the Asha 311 and REX 90, both phones would fit under the budget category for most users, and will probably be the second phone for quite a few out there. Both phones are small enough to almost get inside in your pocket but Nokia Asha 311 is more small to carry it around, considering the average phone size today. You can expect the Asha 311 to give you solid battery life, and with the REX 90 struggled to last for one day during our review but one thing good about this phone is that its dual SIM but again this feature made the phone bad in battery backup as compared to Nokia Asha 311...

The concept of Mobile Robot is fast evolving and the number of mobile robots and their complexities are increasing with different applications. There are many types of mobile robot navigation techniques like path planning, self – localization and map interpreting. An Obstacle Avoiding Robot is a type of autonomous mobile robot that avoids collision with unexpected obstacles. In this project, an Obstacle Avoiding Robot is designed. It is an Arduino based robot that uses Ultrasonic range finder sensors to avoid collisions....

You’ll usually see blank thumbnails or grey icons if you fail to correctly configure File Explorer (known as Windows Explorer earlier) or if your thumbnail cache is corrupt. Also, it is possible but rare to deal with severe malware infestations. But don’t worry! If you are encountering OneDrive doesn’t show picture thumbnails error, then we have some fixes for you. So, apply our simple fixes to restore the thumbnail previews on PC....

Operational Amplifier or simply Op-amp is one of the most frequently and widely used electronic component. They are the main building blocks in Analog Circuits and are used in a wide range of consumer electronics, industrial equipment and scientific devices. Introduction An operational amplifier commonly known as op-amp is a two-input single-output differential voltage amplifier which is characterized by high gain, high input impedance and low output impedance. The operational amplifier is called so because it has its origins in analog computers, and was mainly used to perform mathematical operations....

This home phone comes with a DECT base station which can support up to 6 different handsets and employs Android 4.0 Ice Cream Sandwich Operating system. Your phone has to be in range of DECT base station to get DECT signal. The TFT display of this device is 3.5 inch in size and supports 480 x 320 HVGA resolution. This phone is designed to be used as a home phone and thus this display will is appropriate....

For more information on Low Pass or High Pass filters, read the tutorials on Passive High Pass RC Filters, Passive Low Pass RC Filters, Active High Pass Filter and Active Low Pass Filter. Introduction We can say that a Band pass filter is a combination of both low pass filter and high pass filter. The name of the filter itself indicates that it allows only a certain band of frequencies and blocks all the remaining frequencies....

Even if you don’t have the Raspberry Pi 4 right now, read along this article to find some interesting details and facts about Raspberry Pi 4 and Raspberry Pi Boards in General. A Brief Note on Raspberry Pi It all started in 2012, when Raspberry Pi Foundation, the company responsible for designing, developing and producing Raspberry Pi Boards, launched its first product: the Raspberry Pi Model B, a tiny credit card sized computer....

The saline water comes with sodium ions( a common ingredient in the regular table salt) which carry the electricity and store the electricity. Saltwater Batteries Advantages Saltwater batteries come with multiple advantages, including- How Long do Solar Batteries Last Best Battery Testers Best Motorcycle Battery Best Deep Cycle Battery 1. They are Safe The best part about saltwater batteries is their safety. This type of battery uses a concentrated solution made from salt and water....

Hardware Display The initial versions of these devices were released back in the time when a 4 inch screen was seen as a large one. Having said that, the S2 duos comes with a 4.5 inch one, while the S duos comes with a smaller 4 inch one. Both devices have the same resolution at WVGA, i.e., 800 x 480 pixels. This naturally means that the S duos will have a better pixel density, albeit on a smaller screen....

However, similar to other TVs out there, even Samsung smart TVs are not perfect. You can face a number of issues with your Samsung smart TV including your Samsung smart TV remote not working. And if you are planning to watch a match or catch up on your favorite TV show, this can be quite frustrating. So, if you are also facing the same, then we are here to help you with this guide on top 10 methods to fix the issue....

When you connect your Smartphone with Sony XSP-N1BT, it will change the native user interface, the new one being called App Remote 2. App Remote 2 is Simpler in appearance and offers voice controls, a much needed privilege while driving. The system can read out loud your emails and notifications. You can talk and compose your messages and use voice commands for things like mapping information and making calls. The cradle can conviniently connect to your smartphone using Bluetooth, USB or NFC (one simple touch)....

In this article, we will take a look at some of the best Soundboards for Discord. First, we will see what are soundboard apps for Discord, how to setup a soundboard app in Discord and also some popular Soundboard apps. What is a Soundboard for Discord? Discord has become the go-to app for voice and text chats among gamers and streamers. If you are into multiplayer games, then Discord allows you to easily connect with your fellow players or you can use it just to hang out with friends....

Back to top Practical Voltage Source An ideal voltage source means a device that offer a terminal voltage which doesn’t depend on the current flow through it. But such ideal sources never exist practically. Suppose a battery would produce 12V when no load is connected or no current flows through it, then the battery produce a less voltage than 12V when a load current flows through it. These sources are called as practical voltage sources....

In Spice Smart Flo Pace 2 Mi-502 we saw that the phone was priced at the price of 7,000 INR and it did not have 3G connectivity and this time with another device which has been priced lower will also be lacking this feature or infact I should say that almost all the features of phones are same but only the screen size of this new smartphone has been decreased and thus the same has been done with the price....

These are used to hang the lights and thus we have mentioned some of the best track lighting pendants later on in this listicle which have been chosen based on these factors: Number of Pendants: If you are installing a track lighting system it is highly likely that you would want to have multiple lights. And while you can buy multiple, it is advised to get one that offers multiple pendants within a single pack....

In this article, we are going to list down some of the best solder for electronics and DIY projects. We have picked these products and curated the list based on a few key factors such as Type of Flux Core: There are basically two different types of cores. Rosin and acid core. An acid core is mostly used for soldering in plumbing purposes and the Rosin core is for electronics....

Air Pressure: In order to use a sandblaster, you need to have a certain air pressure level in your air compressor. This air pressure is either given as 90 PSI or a range as 60 PSI to 125 PSI, where the air pressure range offers more flexibility to the user. Air Flow: Similar to the air pressure, your air compressor also needs to have a minimum airflow rating. While some sandblasters come with an airflow requirement of 7 CFM, others are rated at 12 CFM....