Requirements:
CP210x Universal COM Port DriverNode.js
WebSocket Relay Server - NEW: Silent Server
OSSM Sauce App v1.1.1
Firmware Installer
Make sure to close anything else using your device's COM port (e.g. Serial Monitor).
If install gets stuck on "Preparing installation" close your browser and try again.
Having the OSSM plugged into USB can decrease the accuracy of sensorless homing.