zhanglei
zhanglei
About
- Username
- zhanglei
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- China
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Comments
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Thank you。@wjcroft I have read the information.
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@wjcroft , I read your discussion. And I want to ask your a question about EMG. I find that the data in txt in File "C:\Program Files\OpenBCI_GUI\SavedData" is very large. For example, "7239.39, 24733.61, 37785.15, -15300.68, 50106.62, 32389.17, 193…
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yes, it only a variant of a p300 speller. My software is psychtoolbox based on matlab. I can use a serial port for mark. Do you do this job?
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. The picture just like this. Maybe you do some work on it. Its purpose is to output letters.
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@faheemersh Thank you very much for your explaining your paradigm. It need only have one mark for epoch. And I know the multichannel optoisolator. . My paradigm just like this.
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@faheemersh Can you give me your interface based on E-prime 3 or a picture. How you set the mark into the data? In fact, D17 only can set one mark. Doesn't P300 need a lot of mark? Thank you very much.
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faheemersh
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@pushtheworld, I know that Digital inputs are Columns 10-12. In fact, the digital input only include three columns. I mean AuxData x is for columns 10, and Auxdata y, z is for column 11,12. The Columns do not have Columns 13 and 14？
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@pushtheworld, I want to ask you a qestion. in fact, the AuxData is x,y,z, if we use D11 for AuxData's z, D18 for x，D17 is for y, so how can we write the mark to instream by D12 or D13 ? In fact, I want to many marks.Thank you very much.
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@pushtheworld, in fact, the AuxData is x,y,z, if we use D11 for AuxData's z, so how can we write the mark to instream by D12 or D13 ?Thank you very much.
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If I use the D11, D12,D13, what column is the data being written? It's definitely not AuxData, right?? The connection mode is the same as D17? Many thanks.
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Another question is that if I want to set three mark or trigger in the data stream, how can sove [email protected] you very much.
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@pushtheworld. Icount the number of the 3.14, it has 50 or 51. Many thanks for your reply.
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@pushtheworld. Icount the number of the 3.14, it has 50 or 51. Many thanks for your reply.
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This picture is show the results. The 3.14 is so many.
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According to your replay, my sample rate is 125, and every data can be get every 8ms, so I only push the button and isn't held on. I think the 3.14 should have two.
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@wjcroftpushtheworld, I push the button PROG on the board, and I find the data is 3.140 in the Aux, but I want to know why the 3.14 is so many. That is right? The 3.14 shouldn't only one? Thank you your replay.
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Many thanks@wjcroftpushtheworld
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Many Thanks@wjcroft. If I make these change, the delay of D17 or D18 will not appear?
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Can you explain in detail how to modify the serial port to avoid delay?@pushtheworld