Blog Archives - Page 94 of 130 - Projects Tutorials Code Library for Atmels Atmega32 AVR

Choosing a Power Management IC for Energy-Harvesting Applications

The power-management IC (PMIC) supports and manages the transducer and energy-collection channel, the energy-storage element (battery, conventional capacitor or supercapacitor), and the processor/wireless link. This critical block of any energy-harvesting design implements several major functions: Captures and extracts the random, miniscule energy from the source transducer Transforms that extracted power into energy for the storage […]

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What are the best settings for e-mailing or printing digital pictures?

How It Works / Ibrar Ayyub

Digital Picture Size The picture size is measured in pixels, so you need to pay attention to how many pixels wide and high the pictures you take are. Generally, a computer screen is 800 to 1200 pixels wide, with 800 being the most common setting. If you are e-mailing someone a picture that they are

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HowStuffWorks Visits Bungie Studios

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The Tour Begins When Pete returned, he started the tour. He took me through the main work area — a large, dark space with desks and cubicles arranged as if they were meant to stop an oncoming invasion. Most of the desks were empty on November 3rd — Pete explained that many Bungie folks were

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How Flexplay DVDs Work

How It Works / Ibrar Ayyub

The Flexplay Twist The secret to Flexplay discs is an extra layer added to a standard DVD structure. This specialized layer includes a chemical compound that readily combines with oxygen in the atmosphere to form a new chemical compound. While the original chemical compound is transparent, the new chemical compound is opaque. When the layer

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How Power Paper Will Work

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Power Paper Products There are already several products available that Power Paper batteries can be integrated with; and with devices becoming increasingly smaller, the market for thin power sources is huge. It’s really the new devices that are yet to be developed that will make the most use of this new technology. Because Power Paper

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Streaming Media Player Buying Guide

How It Works / Ibrar Ayyub

Types of Streaming Media Players Not all streaming media players are the same, and some will fit your personal needs better than others. In addition to the particular services each one offers, you’ll probably want to decide which type of streaming media player works best for you. First, there are the straightforward streaming media consoles.

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How WiFi Detectors Work

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Mechanics of WiFi Detectors A wireless signal can travel only so far. Specifically, a typical signal can extend as far as 1,000 feet (304.8 meters) in an unobstructed, open area and about 300 feet (91.44 meters) in a closed area that has obstructions [source: Graves]. Because the signals themselves are invisible and the access points

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How Hearing Impaired Telephones Work

How It Works / Ibrar Ayyub

How Telephone Amplifiers Work If you’ve set the volume on your phone as high as it’ll go and voices still sound faint, you may want to consider a device for hearing-impaired telephones called a phone amplifier. Several options are available, including units that attach to a phone line, portable amplifier units and dedicated amplifier telephones,

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How Radio Controlled Toys Work

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RC Toy Transmitter RC toys typically have a small handheld device that includes some type of controls and the radio transmitter. The transmitter sends a signal over a frequency to the receiver in the toy. The transmitter has a power source, usually a 9-volt battery, that provides the power for the controls and transmission of

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How Cell-phone Viruses Work

How It Works / Ibrar Ayyub

Cell-phone Virus Basics A cell-phone virus is basically the same thing as a computer virus — an unwanted executable file that “infects” a device and then copies itself to other devices. But whereas a computer virus or worm spreads through e-mail attachments and Internet downloads, a cell-phone virus or worm spreads via Internet downloads, MMS

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