Discussion in "Project Doubts" started by    BADRI    Aug 5, 2008.
Tue Aug 05 2008, 02:22 pm
#1
I have the 12MHZ crystal..sud i change any components for this HAserver project??
If yes plz reply me as soon as possible!!And also i have the reset switchs is it right for using in the circuit,, or other switch must be used???
with kind regards
badri, kathmandu
Tue Aug 05 2008, 09:25 pm
#2
you need to change the baud rate. as timer is programmed for 11.0592 mhz clock.
that is all you need to do. keep everything else same.
Tue Aug 05 2008, 09:38 pm
#3


Hello Badri,

i would suggest you to go with 11.0592Meg xtal as it supports a lot of baudrates with out any errors. but with 12Mhz if you try generating 9600 baud there will be a accuracy error of 8.5% that will lead to communication errors



Arun
 BADRInaseera like this.
Mon Aug 11 2008, 05:46 pm
#4
sir!
i use the telnet ser in vb provided by you.. i get confused to one thing it have work on the same LAN without internet tooo.And if one have the server with ip add of192.168.0.1 and in other location another may have the same ip. how i can connect to the desired server from remote client?
Bye!!
Tue Aug 12 2008, 11:37 am
#5
you need to know the ip, or you have to use a dns service provider like dyndns. it will give u a domain name so will be easy for u to connect as you do not need to remember ip everytime.
Wed Aug 13 2008, 04:21 pm
#6
1)sir i know that. My question was there may be different servers with the same ip address .for example at my home pc the ip may be 192.168.0.1,, and also to my friends home in india he may have used the same ip 192.168.0.1... at such cases how i choose my homes server through internet for controlling my home appliences? should i have to need to develop my own website?please suggest me!
2) you have written the vb code for visual basic studio 5.0,, can i use it for visual basic studio 6.0 too, what is the different between them?
3)if you have the tutorial , ebbok for better understanding of vb, winsock, and at89c51 programming in c ,, plz suggest me the best website.
thank you!,, gud days!!!!
Wed Aug 13 2008, 07:40 pm
#7
192.168.* is local ip address range..

when you working on local internet you are connected to world like this

world ----> 124.x.x.x (router IP) -----> 192.x.x.x (local ip)

so you need to port forward your router IP to local ip to make ur pc visible to external world.

2. i wrote it for vb6.0 not 5.0

3. Search google? sorry, i dont have links for vb stuff
Thu Aug 14 2008, 03:01 pm
#8
1)But how i can do it sir??? through telnet commmand u mean we have to specify :routerIP.local ip?
plz provide me the example as possible!

2)when i first keep hyperterminal com1 speed 9600, and then open the server for run it is displaying "unable to open the port" what is it mean? but the client server connection established.what i need to do sir?
3)and when i first run the server, then hyperterminal is set , then the message is"port is in use by some telephony device already connected, " and disconnection

4)i joined the circuit many times as figure ,, but yet i havenot get the message on lcd, actually lcd havnt glown yet...,,initially all leds will be glown or not?
thnxxxx
Fri Aug 15 2008, 02:42 pm
#9
Hi sir!

As i stated yesterday, i have stoping at this point. first i set the hyperterminal com1 baud rate 9600, and then i run the software , it havnt shown the Com1 as shown in fig below.And when i type Com1 then the message "no com port selected "appears.How to connect the com1 sir
Fri Aug 15 2008, 02:50 pm
#10
**********Repleted Post ******************

Edited
Ûž TPS Ûž


[ Edited Fri Aug 15 2008, 10:48 pm ]

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