![]() ![]() If you’ve ever wondered what’s inside a USB stick, then this section is for you. The drain will then push this energy through the rest of the device to keep it powered up, even without the influence of an external device. Drain: Any excess energy produced by the host device is diverted to the drain.Control Gate: The control gate prevents the energy and data stored within the floating gate from being released straight back into the source.The host device will send an electric charge through the source and into the gate. Floating Gate: The first of the two gates, the floating gate (the other being the control gate), is where all the data is gathered.It moves data through energy exchange by pushing that information through the ‘gate.’ Source: The source is the conduit between the internal circuitry and the host device the USB is plugged into, such as a laptop.This transistor is made up of three parts: source, gate (floating and control), and drain. Flash drives use a transistor semiconductor to retrieve and horde a user’s data. They are all working in harmony to provide the user with the opportunity to store info on the go. ![]() In this piece, we’re going to explore how a USB flash drive is made and what internal components are used to operate these little devices.Ī standard USB flash drive, whether manufactured for the buying public or customised marketing promotions, are highly sophisticated devices and contain literally thousands of connections which bind the hundreds of components within the drive’s circuitry. The convenience of being able to grab data from one of your devices and easily transfer them to another might appeal to some, but the i-FlashDrive HD’s sluggish performance and the additional length it adds will turn off others.Branded USB drives are relatively simple devices on the outside compact and easy to operate, which is why it’s so easy to forget that under the surface, they are packed with complex circuitry. Some people might think that the benefits of an easily attachable iOS drive might be worth it. That seems expensive, and in the end it’s up to each individual consumer to decide how much additional storage is worth to them. The 8GB i-FlashDrive HD is $100 and the price shoots up to $329 for the 64GB version. The iOS app allows you to transfer files to Dropbox. For transferring small JPEG files, its probably not a big deal, but when moving larger files like movies, the slow transfer speeds could be annoying. While the drive, in some cases, might double the storage capacity of your device, it’ll do so at near tortoise-like speeds. The Macworld Lab tested the drive connected to a Mac and clocked it at a sluggish and unimpressive write time of 5 MBps, and a quicker (but still slow) read time of 19 MBps. But on newer devices like the iPad Mini and iPhone 5 that use the Lightning connector, you need to attach the 30-pin to Lightning adapter to the i-FlashDrive HD, and inevitably this means additional length and a fear of accidentally breaking off the connector in your device. It’s not so much a problem with older iOS devices with 30-pin connectors-it’s not that much bigger than other add-on devices. When plugged into an iMac’s USB slot, the i-FlashDrive HD seems small, but its length could be a problem when attached and dangling from the bottom of your iPhone or iPad. The i-FlashDrive HD itself is compact, about an inch long and wide and a quarter of an inch thick, but its width becomes a problem when plugged into a Mac laptop, where it gets in the way of other ports. PhotoFast The iFlashDrive HD has USB 2.0 for connecting to a computer. This is a nice little feature of the app that adds protection to the drive’s contents. However, decrypting is only possible from the iOS app itself-trying to open the encrypted files from your computer won’t work. Accessing the encrypted file is done by simply retyping the password that you created earlier. You’ll then be able to select which files to encrypt and set a password. While in the app, you can encrypt any of the files on the drive by pressing the small padlock icon on the bottom right side of the screen. While I wasn’t keen on having to install a third-party app in order to view my files, it is necessary, and the app itself is an easy-to-use file viewer that allows access to the drive, and also comes with options to back up your contacts and to sync with a Dropbox account. When you first use the i-FlashDrive HD, the device promptly takes you to theĪpp Store in order to download the free app needed for viewing and transferring files. PhotoFast The i-FlashDrive HD has a 30-pin connector, but PhotoFast includes a Lightning adapter for owners of newer iOS devices. ![]()
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