There aren't many possibilities for compensation. Best Buy offers a credit against future Best Buy purchases if you turn in an old TV. Don't know about smaller devices; you could ask. Whether that would beat what you might get from a pawn shop is hard to say.
If you come up zero--no one will give you any cash for one or more of your gadgets--don't throw them in the trash; they need to be recycled. Goodwill Industries accepts junk TVs; they might also take small electronics. In my area, the local sanitation company offers free disposal of electronics and hazardous waste (batteries, etc.) a couple times a year. The company in your area might do the same thing one way or another.
