JP16 is the electrode connector.
| Pin # | Function |
|---|---|
| 1 | DVDD |
| 2 | AVDD |
| 3 | BIASINV |
| 4 | Reserved for Future Use |
| 5 | AGND |
| 6 | AGND |
| 7 | IN1P |
| 8 | IN1N |
| 9 | IN2P |
| 10 | IN2N |
| 11 | IN3P |
| 12 | IN3N |
| 13 | IN4P |
| 14 | IN4N |
| 15 | IN5P |
| 16 | IN5N |
| 17 | IN6P |
| 18 | IN6N |
| 19 | IN7P |
| 20 | IN7N |
| 21 | IN8P |
| 22 | IN8N |
| 23 | REF_ELEC_CONN |
| 24 | BIAS_ELEC_CONN |
Looking at the pins edge on (not from above), this is the pinout diagram:
This connector is experimental, and not supported at this time. You can enable it using the various ADS1299 register settings.
| Pin # | Function |
|---|---|
| 1 | BIASINV |
| 2 | ADS_START |
| 3 | ADS_SPI_CLK |
| 4 | AGND |
If you want to check the pinout, you can see the connectors on the schematic on sheet 2:
JP16 is the large, black male 24-pin shrouded electrode connector that is soldered on the board: On Shore Technology 24-pin right angle male shrouded header
This the mating female connector that I use to construct ribbon cables to connect the connector boards with the HackEEG shield:
On Shore Technologies 101-246 IDC socket connector for ribbon cable
Here's the ribbon cable I used:
24-conductor ribbon cable, 5 foot length
You'll need a tool to crimp them, I used this one from Amazon:
Alternatively, any 24-pin female header with receptacles on 0.1" centers should work if you want to use one and solder some wires to it.
JP15 is the small, white male 4-pin shrouded connector that is used for synchronizing the ADS1299 with another board.
This is the connector that is soldered on the board: JST 4-pin Shrouded Male Header
Here is the Mating JST connector and Crimp Contact that fits the housing - these can be crimped with this tool:
HT-225D Full Cycle Ratchet Crimping Tool with interchangeable die set HT-225D