HTC Vive Lighthouse — Position Sensing

Building a position sensor for the 1st generation of HTC Vive's Lighthouse tracking system.

This is a work in progress. For a starting point, see the Logic Analyzer notebook.

Cloning the repository

This repo uses Git LFS for tracking large files such as images and signal waveform logs (CSV). To clone it, use a regular git clone when Git LFS is installed:

$ git clone git@github.com:sunsided/lighthouse.git

Directory structure

• docs/ contains papers, datasheets and other documents,
• fritzing/ contains Fritzing schematics for the sensor board
• measurements/ contains sensor measurements from both a Saleae Logic analyzer and a Rigol DS1104Z scope
• simulation/ contains Jupyter Notebooks for working out the details

Source material

Blogs posts and articles

• HTC vive lighthouse custom tracking on Hackaday.io
• Homebrew interface for the HTC v1 Lighthouses
• Lighthouse tracking examined
• SteamVR HTC Vive in-depth: Lighthouse Tracking System dissected and explored
• DAC with DMA and buffer on a Teensy 3.2
• Alan Yates: Why Valve's Lightouse can't work

GitHub Respositories

• DIY Position Tracking using HTC Vive's Lighthouse (the sensor board)
• Unofficial Documentation for the Lighthouse Tracking System

3D Printing

• IR Receiver mount for 3x BPV22NF (the diode holder used on the sensor board)

YouTube

• HTC Vive Lighthouse Chaperone tracking system Explained
• The Secret Prototypes of Valve's VR Lab