How to project a D&D battle map onto your table
Set up a projector, TV table or second monitor as a D&D 5e battle map for in-person play, and calibrate the grid so one square is one inch under your miniatures.
Guides
Guides to running in-person D&D with TableSync
Short answers to the questions DMs ask about putting a battle map on a real table and the character sheets on players' phones.
Using phones as D&D character sheets at an in-person game
How players at a physical D&D 5e table can use their phones as character sheets: joining the DM's game, rolling dice the DM sees, and what happens when the wifi drops.
How remote players join an in-person D&D game
Let a player join your in-person D&D 5e game from somewhere else: one link from TableSync, join codes that survive an address change, and what a relay can see.