Unfortunately most of my attempts to power both embedded PC and robot motors from the same power bank result in unexpected reboots (even on what is effectively an RC car). And yes, I'm a CS Msc, not an electrical engineer, but ...
How much otherwise highly useful stuff are people sitting on that they can't get going (or going well) for one reason or another? Also, recycling I expect will end up important at some point, and knowing who has what (and where) could expedite this process.