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Recent content by gabby

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    Is 8bit MUC enough for my system?

    Re: Is 8bit enough? Hi Friends. One more inportant point !!!! The key is an mechanical switch and when you press it it not connected directily it make noise for few ms like 10ms-20ms (see datasheet of key) you must after first detection of the key make a debounce (delay for key fix) or if...
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    SAMSUNG SYNCMATER 900NF (PG19NSBU) MONITOR SCHEMATIC NEED

    Hi friends. :) Can some one help me i need the schematic + service manual of MONITOR : SAMSUNG SYNCMATER 900NF model code: PG19NSBU Best regards Gabby. :D
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    i want to modify the source of BIOS either flash or eeprom

    Re: i want to modify the source of BIOS either flash or eepr Hi You also can use flahdsik or disk on chip of few Mb to ... they avaliable to connection to the ide and some board have also a special location from them. You can see components from m-system : www.m-sys.com Best regards. 8)
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    Can you do LCD driver with a keypad using CPLD?

    Re: lcd driver + keypad Hi. if you want evryting you can do. 8) !!! It is more simple to design that with a small uC like 8051,avr,pic. :D But ... if you want do it with cpld you will need to make two nice state macine 8O one for keyboard-search+debounce, the second for installing the...
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    The right pull-up resistor

    Hi First we have know the current/resistanece of the relay and the beta of the transistor ,and afther it's more simple to calculate the resistor. But if you want you can use the fail input of the relay board so you did not need broke the head with the resistor (of corse you need invert your...
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    CAN bus - Atmel or Microchip

    Hi you have can interface uc (copatible 8051) device also from: www.cygnal.com Best regards.
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    8051 board - docs or schematics needed

    Hi all. First Ilya , the at89s8252 is nice i make some projects with him but the 89RC51 ..RB,RD... are the new ver of the at89s8252 they are avaliable from phillips and also from atmel They give you the option to be reprogramed from the uart(also the isp avaliable in some ver too) and that more...
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    The difference between the ModelSim SE 5.7c and PE 5.7C?

    Hi. Here is the compare : http://www.model.com/products/prodcomp.asp Best regards. 8)
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    N*rt*n AntiVirus install problem

    Hi Some time you get fail :? from the norton from few case: 1. a broken installation - so you need uninstall all norton, see in the add/remuve programs of the xp for other additional norton prog that be remove like regitery,liveupdate, etc... 2. virus :twisted: - if a virus is in your system...
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    RTC backup with Lithium Battery (charge)

    rtc coin lithium battery Hi dainis. When i say "LIMnO2 battery " i mean that is the chimestry of the CR2032 battery. For the understand when say Lithium battery they are few kinds of battery but the main chimical is the Lithium for example: types of Lithium battery: * Mannganese Dioxide...
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    RTC backup with Lithium Battery (charge)

    rtc what meaning battery back up Hi First i can think that you can't get : "I get > 20 years!!" 1. because the standart LIMnO2 battery have a internal lose capacity 0f 5% per year and also in function of temp. 2. the supplier give you out of date of the battery that is ~5-10 years over...
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    where is small hard disk?

    Hi If you need small hd (based flash also in small capacity) look at www.m-sys.com they have a lot of APPLICATIONS also ide and io interface you can find DISK ON CHIP from size of 7mmX10mm of 64mbyte(the smallest called G3) and other. for ide small size see: **broken link removed** Best regards.
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    Parallel to Serial Interface

    Hi. First whick kind of parallel interface? You can use a simple uc like pic or 8051 famililar to make for you the translation from serial to parallel with a simple program. Best regards. 8)
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    rs485 or CAN or ?? industerial network

    Hi 7rots51. 8O 3000meter or more is a long of way for industrial line network. Most solutions that you are looking for them like rs485, can ... are for more low distance. For the distance you are looking in phisical line try some solutions form the telephony central interface like...
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    Info : TCP/IP with 8051

    ic,w3100a,tcp/ip+mac Hi PIN I buy also the module of 7010 and also the 7100, i find the prog util and source for the evb but i'am looking now for schematics of 7010 and 7100 and also for the source code of the 7100. If you can help me with some of that additional info that i look for it it...

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