Electronic boards are currently supported on Chess.com's website and Android devices. However, they are not supported on iOS devices at this time.
List of electronic boards currently supported by Chess.com
DGT Pegasus
Millennium King Performance - Requires a separate ChessLink module
Millennium Exclusive - Requires a separate ChessLink module
Millennium Supreme Tournament - Requires a separate ChessLink module
Millennium E-One board
How to play with an electronic board
Hover over Play in the left menu, and click Play:
Click on the settings gear icon near the upper right corner of the board:
Select the Board tab in the pop-up menu, and scroll to the bottom to enable the DGT board:
Click Save to control your games using your electronic board.
Mobile
Android
Tap on More on the bottom menu and choose Settings:
Select Connected Boards:
If it's your first time connecting, you'll be prompted to give the Chess.com mobile app permission to access Bluetooth. Tap on the message to grant permission:
After granting permission, you'll see a list of nearby Bluetooth devices to connect to. If your board isn't listed, make sure it's turned on and Bluetooth is activated.
Select your device from the list, and you are ready to go!