Custom acquisition board
In parallel with the GUI software, we're also developing an integrated solution for simultaneously acquiring up to 256 channels of data.
Our custom acquisition board is still in the early stages, but eventually it will be able to interface with as many as 4 64-channel Intan headstages. It's currently configured for 9 digital inputs and 4 non-neural analog inputs. The prototype shown above will connect to an Opal Kelly XEM6010 Xilinx FPGA module, which will send data to the GUI via USB. If a USB connection isn't fast enough, it will be trivial to upgrade to an FPGA module that uses a speedy PCI express port instead.
A custom 32-channel Intan headstage will cost approximately $500.
An Opal Kelly USB FPGA costs $450 (or $750 for PCIe).
The custom printed circuit board and parts will be less than $100.
If you're handy with a soldering iron, you could have a complete 64-channel recording system for around $1500 (minus the cost of a computer).
We don't know when it will be finished, or if it will even work at all. But we hope to be using it for our own experiments during the summer of 2012. If you're interested in hardware development, get in touch with us via the Open Ephys contact page
- copy '60-opalkelly.rules' in the Builds/Linux/build folder to /etc/udev/rules.d
sudo /etc/init.d/udev restart
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