# Expanding your boards

Each of the boards has an area on the right hand side for adding an expansion board.

### 640 board

The expansion area on the blue 640 board has solder already applied to it to make it easier to add your expansion board.

![640 Motors](/images/640-expansionarea.png)

### ESCAPE board

The expansion area on the blue ESCAPE board has solder already applied to it to make it easier to add your expansion board.

![ESCAPE Expansion](/images/escape-expansionarea.png)

### SOAR board

The expansion area on the SOAR board doesn't have solder pre-applied, so adding an expansion board will to this will be slightly different.

![soar](/images/soar-450.png)

## Adding an expansion board