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sorry for this question.
how capacitor is works, i mean how its stores energy(tell me full explanation deeply with electron,proton,neutron).
and what is the difference between battery and capacitor.
and how battery is working (explain this also with electron,proton,neutron).
please any one...
In my project i am reading data what i sent from micro controller.But i am sending Hexadecimal value from micro controller.In java receiving those data's.
but that is something unknown character's are displaying. please any one help me how to convert those hexadecimal value to ASCII in java...
yes everything is ok.the following status(in picture) will show when i run this program finaly the cursor waiting for something. In here the port is detected. in that program there is no warning. the only problem is when i send data through serial port, the serialEvent is not working.
send...
i have tried serial communication in java. But it is not working. i don't know what is going on. its reading ports and checking ports and doing everything. but the serialEvent is not working when i send data from micro_controller.
note: i checked in hyper terminal the data is receiving. but i...
i am trying to get data's from sql server to Jtable(in java). But i need some driver file(.jar or .zip). i don't know about it. please any one help me how to show the data's in jtable(in java) which is taken from sql server (table). And also tell me the procedure for doing this.
note: i...
i can get some output from max232. but i can't check in hyper terminal, is that working or not?
(note : i am using window7 64bit, there was no hyper terminal. so i copied that file from windows xp and then i am working on it). tell me now what is the problem (i used max232 also)
In Hyper Terminal, there is no response when i send data from micro controller(89c52) through rs232. The following diagram is one of the circuit ( i checked UART communication and everything is ok). but i don't know what i doing wrong. please any one tell me what is the reason. i am using...
how do i read data's on serial port(rs232). please tell me what is the procedure to do this. and any example in java. i am using microcontroller 89s52. please any one help me. thank you
i need to know what is symmetrical components in power system. what about zero sequence,negative sequence,positive sequence component(Ia0,Ia1,Ia2:Va0,Va1,Va2). please explain about it. how do i understand related with practical power transmission. how do i differentiate from each other. please...
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