Open-source 128-channel headstages for neural stimulation and recording.
The publication of this work can be found at DOI 10.1088/1741-2552/ae1876. The raw data files corresponding to the publication can be found at https://doi.org/10.17605/OSF.IO/XS2PU.
Detail documentation and user guides can be found at https://docs.openic.org/iris-128.
| Type | Description |
|---|---|
| Iris-128B | Fully bidirectional headstage with recording or stimulation across all 128 electrode channels. |
| Iris-128S | Selective stimulation headstage with recording from 128 channels and stimulation on 16 simultaneous channels out of 32 available stimulation channels. |
| Thin-film electrode | 128 channel surface array used as a test platform for the headstages. |
| Folder | Description |
|---|---|
| iris-128b | Project, design, and fabrication files related to Iris-128B Neural Interface System. |
| iris-128s | Project, design, and fabrication files related to Iris-128S Neural Interface System. |
| thin-film | Design files related to the microelectrode test platform. |
| images | image files used in README and description files. |
| EDA Tool | Version | Usage |
|---|---|---|
| KiCad | 8.0.5 | Design of PCBs. |
| KiCad | 9.0.3 | Design of PCBs. |
| STM32CubeIDE | 1.16.0 | Design of firmware for MCU. |
- Deku Lab, University of Oregon, Eugene, OR
- OpenIC, Eagan, MN
Copyright Manuel Monge, Emma Jacobs 2025.
This source describes Open Hardware and is licensed under CERN-OHL-P v2.
You may redistribute and modify this source and make products using it under the terms of the CERN-OHL-P v2 (https:/cern.ch/cern-ohl). This source is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-P v2 for applicable conditions.