Pros: Quick to connect anywhere, anytime.
Cons: You have limited mobility and the cords disconnect easily.
Apple VGA Connector
Mirroring Apps: Reflection and AirServer
Purchase a mirroring app that will wirelessly stream the apps, images, videos, and audio from your phone, iPod, or iPad onto your computer, which you can then display on your SMARTboard.Pros: Lets you freely walk around and use your iPad to teach while presenting.
Cons: May require some setup and permissions by school level tech departments because of firewalls. Only works with iPad2+.
Cost: $14.99 single license
Reflection and Air Server
The Apple TV mirrors your iPad to your SMARTboard wirelessly through the projector so you can stream apps, images, videos, and audio.Pros: Lets you walk around and freely use your iPad to teach. Portable and can be shared with other teachers.
Cons: Expensive, may need an extra converter (HDMI to VGA) to work, and tech help may be needed to connect.