6 layers40 × 56 mm

Headstage-16stim
open-ephys/onix-headstage-16stim
Serialized, multifunction bi-directional headstage for tetrodes and silicon probes
132 parts1
Boards in 3 GitHub repositories, designed in KiCad, that use the TPS826951SIP by Texas Instruments (2.3V to 4.8V Input, 2.5V 0.8A Output, High-Efficiency MicroSIP™ Step-Down Converter). See how each wires it, with its parts, size, README and files; the TPS826951SIP’s symbol, footprint and pinout are on its own page.

open-ephys/onix-headstage-16stim
Serialized, multifunction bi-directional headstage for tetrodes and silicon probes

open-ephys/onix-headstage-64s
Serialized, multifunction headstage for tetrodes and silicon probes

open-ephys/onix-headstage-rhs2116
Serialized headstage for neural recording and stimulation