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    logic levels of LCD-Uc interfacing

    Hi, I am interfacing UC with LCD44780. I am driving LCD44780 on 5V can my signal voltage(data lines) be 3.3V? Can I drive LCD44780 in 3.3V? What is Z+ and Z- in LCD terminology? Thanks Nikhil
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    multiple usb appliances causing delay

    Dear all, I am using usb controller atmel89c5131a to sense my stethoscope. My controller kit is communicating with pc as standard Microsoft Human Interface Device and Atmel provided DLL. My problem is when there is only single device(My stethokit). there is no data loss and no delay but as soon...
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    Can I use timer for duel purpose

    Dear all, A single Question, In 8052 architecture, can I use a timer pin (T0,T1,T2) as baudrate generator as well as a GPIO pin simulteneously. THNX, Nikhilesh
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    How to synchronize the sppeds of serial and USB using at89c5

    at89c5 hi dears I am using AT89c5131A for the conversion of serial to USB and viceversa. Here I am using a baudrate of 115200 and USB transfers the data at 12Mbps. How to synchronize these speeds. How to calculate the Endpoint Interval.... Pls help me....its very urgent regards sunil [/b]
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    How to interface 2 MAX232 on single UC(Rx,Tx,Gnd)

    Hi all, While designing new hardware for my Weather monitering system. I'm little stucked. The thing is I my UC(Atmel AT89s8253) is already having interface with PC through AT89s8253(Rx,Tx)->MAX232->DB9-DB9<-PC Now as new GPRS card(It works only on RS232) is included, I need to use same Rx, Tx...
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    Which LCD controller to select?

    Hi all ! I'm working on the project of Weather monitering system. I want my microcontroller(AT89s8253) driven data logger to be connected to an LCD display. A little study I did. But not geting which LCD controller and Which disply to choose that will fulfill my requirements. I want 4 digit LCD...
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    Which ADC to select for my application?

    Dear all, Hello. I'm working a projct of weather monitering system. I need your help. Actually, I want to to digitize my potentiometer and solar charger analog o/p's. The thing is, I want to select an 4 channel ADC with 10-12 bit, should be operated on 3.3v, cost within 5$ and easy to...
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    Least value oscillating crystal.

    Dear all, What is the minimum value of the crystal oscillators that is available in the market. I want ot use it for frequency counter. Regards, Nikhilesh:D
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    Communication range of RS232 serial cable.

    low-capacitance serial cable Hi all, Can ayone tell me the communication range of serial RS232 cable from the PC. Means how much distance from PC is it able to communicate? Thanks in advance. Nikhilesh:D
  10. N

    Communication range of Serial RS232 cable.

    Hi all, Can ayone tell me the communication range of serial RS232 cable from the PC. Means how much distance from PC is it able to communicate? Thanks in advance. Nikhilesh:D
  11. N

    USB sample code for AT89c5131A

    at89c5131a,usb,program -------------------------------------------------------------------------------- hi all I,sunil working on AT89c5131A microcontroller which is USB based, for this, I want a sample code in with all USB related things i.,e how to initialize USB controller and how it...
  12. N

    USB sample code for AT89c5131A

    hi all I,sunil working on AT89c5131A microcontroller which is USB based, for this, I want a sample code in with all USB related things i.,e how to initialize USB controller and how it will be commnucate with PC ? Pls can any one provide this code? thanks and regards sunil :D

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