Youtube has a lot of information on your questions. Hope this helps you.
https://www.youtube.com/watch?v=ydFqx-igMfU
https://www.youtube.com/watch?v=KTacpPjjWiU
Switchfire:
https://www.youtube.com/watch?v=q_bANSg00Vg
https://www.youtube.com/watch?v=kPXomXW6ioE