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  • Low-Power Techniques for LCD Applications
    bias voltages to various segment and common -t/RC pins that connect to LCD pixels. VPIXEL/VTH = 1 - e VPIXEL -t/RC 98% = 1 -eShown below is an LCD circuit. VTH -t/RC 2% = e FIGURE 1: LCD CIRCUIT ln (.02) = -t/RC 0.98 VTH VDD t = ~ 4 RC (R) MicrocontrollerLCD PIC VLCD3
  • Smart Computing Article - Basic Troubleshooting- Power Supplies
    . There s no real penalty (and even some power-saving benefits to be had) from purchasing a power supply with too much wattage, save a higher price. On the other hand, manufacturers don t all report their products wattage the same way, and there are many caveats and electrical formulae behind
  • Smart Computing Article - Broadcast Your Music To Radio Receivers
    PodFreq Premium FM transmitter ($99.99; Locate the power socket in your vehicle. The RoadTrip comes with a plastic extension in case its power connector doesn t reach. In
  • Smart Computing Article - Motherboards
    October 2005 Vol.9 Issue 6 Add To My Personal Library Problem: My mouse or keyboard won t work, even after I disconnect and reconnect (or even replace) them. The PS/2 (Personal System/2) ports that let you connect your mouse and keyboard to the motherboard aren t built to withstand many
  • Fiber Optic Solutions from S.I. Tech, Inc.
    2550 * Supports 10 Base-FL FOIRL standards * Link Status, Power, Transmit and Receive LEDindicators * Multimode or Single mode * ST connectors (Options available) * Ruggedized option. 2150-10/100-A * Ethernet over Fiber Bit-Driver (R) * Supports 10 Base-T/100 Base-TX and 10 Base- FL/100 Base-FX
  • Smart Computing Article - A Network In Your Walls
    company send network data over phone lines. Their key benefit is that they provide network access to every power outlet in your entire house. Just plug in the equipment, connect your computer or other network device to it, and you re set. Other powerline network equipment connects to a computer
  • Smart Computing Article - You Can't Get Online
    If you see HTTP 404 in your browser, it s likely a sign that your computer can t connect to a specific Web site because the site is temporarily unavailable. If you are having trouble accessing the Internet and you recently configured your home router, you may need to perform a hard reset
  • Smart Computing Article - Basic Troubleshooting- Hard Drives
    and make sure that its power and data cables (both ends) are snugly attached. Back up your personal data to another hard drive, a DVD, or a CD. Try not to replace an earlier backup if that s your only copy of the data, as you don t want to overwrite a good backup with possibly corrupted files. Next
  • Smart Computing Article - iPod Out Loud
    Lansing s newest compact iPod speaker system. You can flip open the docking connector and speaker stand with a press of a button, and then snap them back into place to take the iM11 with you. The inMotion iM11 also comes with a nylon carrying case. This unit uses what Altec Lansing calls MaxxBass

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