You welcome.
The limitation of Xbee is packet size:
*For Series 1 it is 100 bytes; Series 2 varies depending on firmware and
configuration, but is generally at least 80 bytes*
as taken from: http://code.google.com/p/xbee-arduino/wiki/DevelopersGuide
If the data you are going to send is less than that size, you are fine. If
more... you will need to layer your protocol with several packets per
transmit.
Generally the choice between Series 1 and Series 2 modules are based on the
architecture of the network. For simple 2 nodes (one remote and one PC),
Series 1 is good. Series 2 is required in the cases where you need much
more devices and peer-to-peer between them (at least from your initial
description, that does not seem to be the case). Also with Series 1 there
is easier way to do remote firmware upload to the Arduino (that is the PC
programs the remote device wireless). With Series 2 *I think* it is not
possible.
After you decided on the right series to use, your next step is to figure
out the distance you expect between devices. This will lead you to select
the module based on power of transmission. If power consumption is of any
issue (like the case of batter powered devices) then this might be more
complicated. Also, with Series 2 I know you can have repeaters setup
easily, while in Series 1 I am not so sure (you will have to read about
that).
One more subtle difference between the two series is the price.
Yours,
Zakie
On Wed, Oct 3, 2012 at 10:55 PM, amel samuel <engamelsam...@gmail.com>wrote:
> wow , thanks zakie mashiah i am very pleased for reply me
> i have another question can i send data from RFID and Fingerprint and IR
> sensor to PC using Xbee
> can i make that? what is the module can i use
> On Tuesday, October 2, 2012 11:11:48 PM UTC+2, Zakie Mashiah wrote:
>> Xbee is a duplex system or two-way communication. It can send and receive
>> data in one module.
>> On the PC side, you connect it via "Explorer" which basically introduces
>> a serial (COM) port on the PC.
>> On the Arduino side it is a UART.
>> So it is going to be straight forward to achieve. Having said that, since
>> this is a security related design, consider encryption of the traffic and
>> well registration of remote devices to the PC. Xbee modules do support
>> encryption. Registration should not be a big challenge either for the PC.
>> The remote units need to know however that the PC is really the authority.
>> You can rely on the encryption only or have additional measures for that.
>> On Tue, Oct 2, 2012 at 10:47 PM, amel samuel <engame...@gmail.com> wrote:
>>> i have question i want to design access control system use RFID and
>>> finger print and send data from them to PC using Xbee and Arduino and my
>>> PC Take desicion to permit access and reply to Arduino that mean i need
>>> to use Xbee as transciever can i make that
>>> please help me if you can
>>> i need to know how i make that
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