Hacker News new | past | comments | ask | show | jobs | submit login

> or over 200 raspberry pis on USB chargers that use 5W each

Those little switcher bricks are horribly inefficient: the 15W one I just pulled out of a drawer draws 0.8A on the primary. Realistically you're going to max out a 15A circuit around 20-30 of those, not 96 (1440/15).




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: