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jsiegle committed Nov 18, 2024
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4 changes: 2 additions & 2 deletions source/FAQ/index.rst
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Expand Up @@ -14,13 +14,13 @@ This `compatibility matrix <https://open-ephys.org/product-compatibility>`_ show
**What are the analog and digital inputs and outputs?**

`Here <_peripheraldevices>`_ is an overview of the various inputs and outputs that the board supports.
The :ref:`peripheraldevices` page includes an overview of the various inputs and outputs that the board supports.

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**How can I synchronise my electrophysiology data with a behavioural camera?**

Check out this `tutorial <_ephyswithbehaviouralcam>`_.
Check out this tutorial: :ref:`ephyswithbehaviouralcam`.

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2 changes: 1 addition & 1 deletion source/User-Manual/Headstages.rst
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Expand Up @@ -48,6 +48,6 @@ If you are using the low-profile Hirose SPI headstage, bought from Open Ephys Pr
Samtec/Mill-Max Headstage
###################################

Design files for a 32 channel RHD2132-based headstage using Samtec or Mill-Max 50 mil connectors can be found on `GitHub <https://github.com/open-ephys/headstage/tree/master/1x32_Samtec>`_. These headstages are designed so that the connector can soldered to the end of the PCB (avoiding the use of a surface mount 50 mil connector). Thus, the PCBs should be manufactured using slightly thinner than usual circuit board (~0.8 mm). A recommended manufacturer is the `Fusion PCB service <http://www.seeedstudio.com/depot/fusion-pcb-service-2-layers-p-835.html>`_, which can provide 10 PCBs for ~$2/ea. (Extra headstage PCBs may also be available from other users.)
Design files for a 32 channel RHD2132-based headstage using Samtec or Mill-Max 50 mil connectors can be found on `GitHub <https://github.com/open-ephys/headstage/tree/master/1x32_Samtec>`_. These headstages are designed so that the connector can soldered to the end of the PCB (avoiding the use of a surface mount 50 mil connector). Thus, the PCBs should be manufactured using slightly thinner than usual circuit board (~0.8 mm). A recommended manufacturer is the `Fusion PCB service <https://www.seeedstudio.com/fusion_pcb.html>`_, which can provide 10 PCBs for ~$2/ea. (Extra headstage PCBs may also be available from other users.)

The accelerometer, Intan RHD2132, and Omnetics connector should be soldered first. A solder mask stencil ($9 from http://www.oshstencils.com/) can be used to precisely locate solder paste, or it can be carefully applied with a fine tip. If a PCB oven is not available, a heat gun can be employed to reflow solder paste with satisfactory results. If using a heat gun, however, care must be taken not to damage the integrated circuits. Best practice is to observe the solder joints through a microscope while applying heat. The remaining components (11 small (0603 or 0402) surface mount resistors, capacitors, and an LED) can then be soldered on by hand. Finally, the Samtec or Mill-Max connector can be soldered into place. A completed headstage is shown below. Note that after testing, the physical interface between PCB and Omnetics connector should be reinforced with epoxy.
4 changes: 2 additions & 2 deletions source/User-Manual/Peripheral-devices.rst
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Expand Up @@ -66,7 +66,7 @@ Analog Output

There are eight analog outputs on the board, which use the 16-bit DAC8531 chip from Texas Instruments. The DACs (Digital to Analog converters) are controlled by the Rhythm interface.

`If activated in the software <https://open-ephys.github.io/gui-docs/User-Manual/Plugins/Rhythm-FPGA.html#audio-output>`_ , the audio jack on the acquisition board can be used to monitor analog channels 0 and 1 (Left and Right in the audio) by plugging in headphones or speakers. (All channels can also be monitored via audio through the software, using the audio channel selector on a plugin to select the channel you're interested in).
`If activated in the software <https://open-ephys.github.io/gui-docs/User-Manual/Plugins/OE-FPGA-Acquisition-Board.html#audio-output>`_ , the audio jack on the acquisition board can be used to monitor analog channels 0 and 1 (Left and Right in the audio) by plugging in headphones or speakers. (All channels can also be monitored via audio through the software, using the audio channel selector on a plugin to select the channel you're interested in).

Any of the channels can be programmed to deliver custom waveforms as well, but this functionality hasn't been added to the GUI yet.

Expand Down Expand Up @@ -158,7 +158,7 @@ The arduino shield for I/O from the host-pc can generate up to 8 channels of dig

On the Arduino, this is implemented via the `Firmata firmware <http://playground.arduino.cc/Interfacing/Firmata>`_). This makes it simple for a computer to access the state of the Arduino pins via USB.

For a similar, but much more powerful signal output device, check out the `PulsePal <https://sites.google.com/site/pulsepalwiki/home>`_) which also works seamlessly with the Open Ephys GUI.
For a similar, but much more powerful signal output device, check out the `PulsePal <https://sanworks.io/shop/viewproduct?productID=1102>`_) which also works seamlessly with the Open Ephys GUI.

Arduino I/O is controlled directly from the Arduino Output sink in the GUI. Currently, the I/O shield is strictly passive and makes no use of the analog pins. However, you can still access all Arduino pins through the headers.

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2 changes: 1 addition & 1 deletion source/User-Manual/Quickstart-guide.rst
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Expand Up @@ -69,4 +69,4 @@ There is a small DC offset (~0.4 V) on the ADCs when they're in ±5V range. This

The LEDs on the acquisition board will flash during normal operation. Fast flashing of the left-most LED (analog output) is expected. The digital input LED should turn green when one of the digital input channels is high, which is useful for checking whether or not your synchronization is working.

It is possible that the LEDs can create noise in your recordings for some grounding configurations. You may also want to disable them if you're performing behavioral experiments in the dark. The LEDs can be turned off by clicking the "LED" button in the `Rhythm FPGA <https://open-ephys.github.io/gui-docs/User-Manual/Plugins/Rhythm-FPGA.html>`_ plugin in the Open Ephys GUI.
It is possible that the LEDs can create noise in your recordings for some grounding configurations. You may also want to disable them if you're performing behavioral experiments in the dark. The LEDs can be turned off by clicking the "LED" button in the `Acqusitiion Board <https://open-ephys.github.io/gui-docs/User-Manual/Plugins/OE-FPGA-Acquisition-Board.html#>`_ plugin in the Open Ephys GUI.

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