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Wired Cyton. Device connected on GUI but no data stream is displayed

December 10, 2018, 11:00 am
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Hello everyone,

I bought the parts and made the board using the gerber available on Git.
I mounted the OpenBCI Cyton with 8 ch, and I flashed the FW using the Pickit.
I can connect the GUI with the board, but I can not see the stream of data from the OpenBCI GUI.
I'm using a wired connection to the PC, using a USB-UART converter instead of the RFDuino (because I couldn't find it to sell).

I know about the noise and the dangerous of not using a isolated connection like bluetooth, wi-fi or even with an isolator, but now my goal is
only to see it working and after I'll acquire the isolator or develop the firmware to another bluetooth chip.

Using a serial reader the output from the board when its starts is: 
OpenBCI V3 8-16 channel 
On Board ADS1299 Device ID: 0x3E 
LIS3DH Device ID: 0x0 
Firmware: v2.0.1 
$$$ 

I can connect to the board through the OpenBCI GUI, but when I start the data stream the software does not show me data.

I have another informations and I can post them here, just ask me ;)

Do you know if the RFDuino change something in the data stream?

Thanks in advance for your patience and help
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Getting Started

December 11, 2018, 3:52 pm
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Hello everyone. My university engineering team is working on an OpenBCI based project. We bought a new pic32mx250f128b MCU and successfully uploaded test code with Arduino IDE. For the next step we want to run the OpenBCI software and GUI on the MCU, but we are not sure how to get started. What are the next steps from here? Any resources to provide us? Thanks.
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3d Models for "Spikey Unit," "Flat Unit," and "Comfort Unit"

December 11, 2018, 8:46 pm
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Hello everyone! 
 

I'd like to download the 3D models for the injection-molded parts included in the "Print Your Own" pack. I'm getting close to purchasing a "Cyton + Daisy" pack from the store here, but ~$1k is a lot for my wallet so I'm trying to find ways to reduce the costs of the other components. I'm a machinist with access to a printer and CNC equipment, etc. 

My plan is to machine the molded parts out of aluminum, as well as a dust cover for the Cyton board. Can anyone point me to the files?

Thank you very much
--Auto
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Can't upload firmware to cyton board

December 12, 2018, 3:17 pm
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Hi, 

I am trying to upload firmware to a cyton board using arduino IDE as explained at OpenBCI tutorial, however I am getting the following error message: 

Arduino: 1.8.8 (Linux), Board: "OpenBCI 32"

Sketch uses 33628 bytes (27%) of program storage space. Maximum is 122880 bytes.
Global variables use 7628 bytes (23%) of dynamic memory, leaving 25140 bytes for local variables. Maximum is 32768 bytes.
java.io.IOException: Cannot run program "{runtime.tools.pic32prog.path}/pic32prog": error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at java.lang.Runtime.exec(Runtime.java:620)
at java.lang.Runtime.exec(Runtime.java:485)
at processing.app.helpers.ProcessUtils.exec(ProcessUtils.java:11)
at cc.arduino.packages.Uploader.executeUploadCommand(Uploader.java:129)
at cc.arduino.packages.uploaders.SerialUploader.runCommand(SerialUploader.java:383)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:197)
at cc.arduino.UploaderUtils.upload(UploaderUtils.java:77)
at processing.app.SketchController.upload(SketchController.java:732)
at processing.app.SketchController.exportApplet(SketchController.java:703)
at processing.app.Editor$UploadHandler.run(Editor.java:2042)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: error=2, No such file or directory
at java.lang.UNIXProcess.forkAndExec(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)
at java.lang.ProcessImpl.start(ProcessImpl.java:134)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
... 11 more
An error occurred while uploading the sketch

Does anyone know how to fix this issue? I am using ubuntu 16.04. 

Thanks.

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Are there any instructions about the menus that are openBCI GUIs?

December 12, 2018, 4:15 pm
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Hello, I just bought cyton with ultracortex IV. I am still confused in operating the openBCI GUI. Are there any instructions about the menus that are openBCI GUIs? such as vert scale menu (what I choose between auto-1000uV), Windows (0s-7s), etc.
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BCI GUI Software is not working

December 12, 2018, 7:23 pm
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I recently purchased the Ganglion hardware.I have tried to install the BCI GUI software on 5 different PCs running Windows 7, 8 and 10.  None of the installs are working.  I just get a black screen.  I am extremely frustrated.  Please advise.


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OpenBCI Cyton with BCI2000 P3 Speller / slow buffering

November 11, 2018, 8:18 am
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Hi everyone,

I'm working for my thesis with OpenBCI Cyton board and I want to use BCI2000 for a P3Speller task. I notice that the sample rate is 250 Hz by default, and the sample block size is 125 Hz, because it sends data to buffer every half second. So the minimum value for "Stimulus Duration" is 500 ms that is not a good value for a P300 based application! When I try to modify the settings on BCI2000, it comes an error about the fact that it wants to take the automatic settings. 
What could I do? Should I work on the firmware? 
Please, give me some advices.
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Python Error: [print] not found or could not be loaded. Check name and requirements

December 13, 2018, 10:31 pm
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Hello,
We are connecting ganglion device with OpenBCI_Python but having problem related to plugins not found or could not be loaded.
Command :
sudo python user.py --board ganglion --port E9:2A:73:ED:89:B1 --add print

But it shows following error :
"Error: [print] not found or could not be loaded. Check name and requirements"

In our OpenBCI_Python folder, all plugin interfaces are present. Yapsy and all required packages are also installed in python, but still i am not able to find the solution.
Kindly help us in solving the problem.

Best Regards,
Ali

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Advice on OpenBCI Python Plugins

July 15, 2016, 7:07 am
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Hey there, guys!

I have encounter a problem while attempting to stream data via OpenBCI Python. By the way, I am very new to Python, but my lecturer had thought I'd give it a try, so do forgive me if I seem somewhat naive about all this. 

I have finally got my system to communicate with the board with OpenBCI Python, but the PLUGINS section always comes up empty, like so:

USER.py
user.py: open_bci_v3...

------------SETTINGS-------------
('Notch filtering:', True)
user.py: Logging Disabled.

-------INSTANTIATING BOARD-------
Connecting to V3 at port COM3
Serial established...
OpenBCI V3 16 channel
On Board ADS1299 Device ID: 0x3E
LIS3DH Device ID: 0x33
$$$
No daisy:
(8, 'EEG channels and', 3, 'AUX channels at', 250.0, 'Hz.')

------------PLUGINS--------------
Found plugins:
()
('Error: [', 'streamer_lsl', '] not found or could not be loaded. Check name and requirements.')
WARNING: no plugin selected, you will only be able to communicate with the board.
--------------INFO---------------
User serial interface enabled...
View command map at http://docs.openbci.com.
Type /start to run -- and /stop before issuing new commands afterwards.
Type /exit to exit.
Board outputs are automatically printed as:
%  <tab>  message
$$$ signals end of message

-------------BEGIN---------------

-->

The 'streamer_lsl' file is within the 'plugins' folder of the OpenBCI Python master folder, and I have added that folder along with a few others to the python path, but whenever I run the user.py file from the command prompt, no plugins are ever shown to be found. Might I have missed any steps along the way? If anyone could help with me with this issue, I'd appreciate it very much. 

Regards,
Sam
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No Ganglion bluetooth connection after macOS Mohave update

November 13, 2018, 3:54 am
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Hi,

I'm running the standalone GUI on a Macbook Pro (Late 2013). I haven't had any problems earlier, but after I updated to macOS Mojave the GUI can't find my Ganglion on the list of BLE devices. I've tried running in Processing as well without getting any different result. I can detect the Ganglion in the LightBlue-explorer on my iPhone, though. Does anybody else have the same problem?

Best regards,
Aksel
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error EADDRINUSE 127.0.0.1:10996 appears in version 1.4.4

December 16, 2018, 2:20 am
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Hi,
I am using CSR 4.0 USB dongle and trying to run OpenBCIHub and the error appears,

what should I do?

Liz
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OpenBCI Hub + python?

October 30, 2018, 12:46 am
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Hi, 
what do you think, it is possible to use OpenBCI Hub to read (stream?) data from Ganglion and use python to read from OpenBCI Hub? What I should read about that?
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Questions on the Ultracortex Electrode

November 28, 2018, 11:48 pm
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Hi all,
I like to know the sensitivity of the electrode we are using in OpenBCI Ultracortex mark IV. I searched in many websites and but I didn't get a satisfying answer. Also, I like to know what is the range of the signal that we can measure ?. Kindly help me in this queries

Thank you
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Timestamps to sync stimulus and EEG

December 17, 2018, 4:42 pm
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I'm working on a P300-based appilcation where data should be synced with the stimulus displayed on the screen. I can't use hardware triggers.
I read the EEG data from the serial port and have a high precision timmer that logs the exact time when the stimulus is displayed. I can also log the exact time when the first eeg data is received or when the request to start openBCI is sent (after writting 's' to the serial port to start OpenBCI). 

What would be the best way to sync eeg with the stimulus? 
Is it possible to get the internal clock of OpenBCI for each sample? Or at certain controlled times during the session (I see some sort of timestamp at Cyton data format but I am not sure how to use it, any help will be appreciated if that's the best method). 
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Regarding ERP measurement

December 17, 2018, 10:59 pm
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Hi,
I am using OpenBCI Ultracortex Mark IV 8 electrode channel cap. I like to how can we do an ERP measurement using this device. Kindly help me on this.

Thank you
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IIR or FIR filter, order / taps

September 5, 2018, 12:23 pm
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OpenBCI Hub + python?

October 30, 2018, 12:46 am
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Hi, 
what do you think, it is possible to use OpenBCI Hub to read (stream?) data from Ganglion and use python to read from OpenBCI Hub? What I should read about that?
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Matrix data in Matlab - LSL - Neurofeedback

December 20, 2018, 1:22 am
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Dear All,

I am using Cyton Board with gold cup electrodes for my neurofeedback study (neurofeedback of alpha suppression during a memory task). To stream the signal in real time and for neurofeedback purposes I am using Matlab and LSL. Unfortunately, I cannot take the raw data from the OpenBCI GUI because the GUI cannot work together with LSL. 

If I look to the raw data (a normal baseline without neurofeedback) in the OpenBCI GUI, the value of the data is like i.e.,  -15078.69. When I import the .txt file into Matlab and convert it into a matrix, the value of data gets like i.e., -15078.69e+04. Why does this happen? I get the same value (-15078.69e+04) when I record the data for real time neurofeedback with LSL (in a raw data .mat file, matrix data). 

Can someone explain this to me? 

Thank you for your time, help and patience :)

Best,
Beatrice
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accellerometer data to LSL from the GUI

December 20, 2018, 2:21 am
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Hi there,

does someone know if it is possible to oputput ganglion accelerometer data to LSL via the GUI? In the networking widget the number of LSL channels can be manipulated but only numbers that are multiples of the number of eeg channels on ganglion are permitted. When I set this number to 8 and I select the timeseries datatype i receive 8 channels via LSL in Matlab. The signals obtained seem to be affected by rotations of the board but quite expectedly channel mixing is observed.

Regards,

Leonardo
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RFD22301 is not available (reason: obsolete)

July 28, 2018, 11:06 am
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he guys i am trying to make open bci cyton by myself using the schematics  and bom given. but i am stuck in a tough spot as i cant find RFD22301 as they are saying its obsolete. there were other passive components that were not available but i replaced them with another component with similar configuration. so can you suggest an alternate component which will replace RFD22301. and if so then will it be a problem?


https://www.digikey.in/products/en?t=872&v=1562&pv1883=11&pv578=193&pv139=744&pv448=132&pv54=297&pv1884=3


thanks!!

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