Build your own Streaming Device with Raspberry Pi
If you're interested in streaming activity onto popular services such as twitch, but not interested in buying a new camera rig - you may already have the parts to do so if you're a Raspberry Pi enthusiast.
This has been demonstrated quite well by Instructables user diegozalezz who has used the popular single-board computer and matching camera to built a streaming device which can be built in a few hours. The only extra device required would be a USB microphone which are quite inexpensive.
Check out the video below for more details: