Monday, October 12, 2009

SIM300/SIM508 connect to internet via GPRS

following shows connecting TCP server ("111.223.133.252","4120") with sim508 .
here the setting (apn ,user name ,passwd) here i have used , for the Mobile operator Dialog in SL.

AT+CGATT=1
OK

AT+CGDCONT=1,"IP","ppwap"
OK
AT+CSTT="ppwap","",""

OK

AT+CIICR
OK

AT+CIFSR

10.178.1.146

AT+CIPSTATUS

OK
STATE:
IP STATUS

AT+CIPSTART="TCP","111.223.133.252","4120"

OK

CONNECT OK
AT+CIPSEND

> Test1 by dilan check dilancw.blogspot.com
SEND OK
AT+CIPSEND

> TEST two

SEND OK


following screenshot of the TCP sever

This FAQ (http://www.madeeasykits.com/Faqs.asp) is very much helpful!

Monday, October 5, 2009

2D barcodes - QR codes

  • this is a good web page which summarized all type of bar codes with a sample images.
(http://www.neodynamic.com/Products/BCWinC/Barcode_NET_Windows_Forms_Standards_Symbologies.aspx)

this code work for me well in decoding QR-codes.