4KNeural recordingXie–Luan labs · Team design review
LibraryMeetingsQuestions & answers15 October 2026

System overview

4K neural recording

Overview V7A · Custom FPGA approach

System architecture
Loading compact assembly…
ISOMETRIC
Drag to rotate · Scroll to zoom · Select a board
Earlier assembly concept · preserved geometryHistorical XEM8310 shapes · open subsystem tabs for current boards

Architecture & current work

From the headboard to the host.

Selected hardware path

Under development · switch approaches above.
A Custom FPGA approach

ASIC boards → new LDO + custom FPGA → cabled XEM8305 interface → PC

FPGA V41 + separate LDO V5, or combined FPGA / LDO V7. B Parallel alternative · direct-LDO carrier

ASIC boards → existing LDO board → carrier V17 → XEM8305 → PC

The carrier connects directly to the existing LDO board.
Design review · source notes

System overview

Model provenance and presentation scope

The current overview combines native ASIC PCB-5, FPGA V41, LDO V5 or combined V7, and registered BRK8305 / interposer V4 / XEM8305 models. Board shapes retain their source dimensions. The compact electronics and host stack are separate, connected by an illustrative micro-HDMI cable; populated fit and hardware operation remain unqualified.

ASIC die bodies and the unavailable PCB-5 connector body are omitted. See model sources, exact hashes, omissions and transforms. The V5 overview preserves the earlier assembly and September adapter study.

The original 650-triangle STL remains preserved byte for byte in the repository and earlier overviews.

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Latest project updates

Updates

Separate assemblies · micro-HDMI cable

The compact FPGA/LDO electronics sit apart from the BRK8305 / interposer / XEM8305 host stack and connect by a visible micro-HDMI cable. Current part descriptions use board revisions without assigning individual people.

Open the cabled 3D overview →

Current boards together in 3D

Rotate the four ASIC reference boards, FPGA V41 + LDO V5, and current BRK8305 / interposer V4 / XEM8305 stack together. Switch to the combined V7 power option or focus a board group.

Open the current 3D overview →

Two parallel approaches

Choose A or B using the approach switch. Only the selected hardware path, board sections and overview assembly are shown. Previous/Next and keyboard navigation stay within that approach.

Open the selected overview →

Current board previews and files

FPGA V41, separate LDO V5, combined FPGA / shared LDO V7 and direct-LDO carrier V17. Native views, schematics and complete KiCad projects are available in their sections.

FPGA V41LDO V5 / V7Carrier V17
14 October review presentation ↗Project library ↗