Aoa Hafeez,
Have a look at the following link for Bluetooth programming using j2me.
http://www.codeguru.com/java/article.php/c13147/Simple-Bluetooth-Communication-in-J2ME.htm
From what I understand you will have to make a small embedded device to connect with your weighing machine, sense the data and send it over Bluetooth to a mobile device. You can do this by using a Microcontroller like an AVR with a Bluetooth interfacing module (module available for around Rs 1800 or less).
For your cellular phone you can use the link shared above or i would recommend using an Android phone to do this. You will have to use the Android SDK for this. Have a look at this small project that interfaces an android phone with a Microcontroller.
http://www.youtube.com/watch?v=YBS62w6SwfI
and
http://www.youtube.com/watch?v=2_5xfqdxTj8
Regards,
Shamyl
SMART Lab,
http://smart.seecs.nust.edu.pk
Hi There,I am from telecom background and doing research on wireless appliances.Can we use develop application in j2me for a device like a Bluetooth weighingmachine and send data over Bluetooth connectivity to a cell phone?i will appreciate for your replyHafeez-Ur-Rehman Siddiqui
Telecommunication Engineer
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