Hackaday (unofficial) December 19, 2024 1:00pm Where This Xmas Card’s Going, We Don’t Need Batteries! #holidayhacks #christmascard #energyharvesting #rfharvesting #hackaday posted by pod_feeder_v2 Where This Xmas Card’s Going, We Don’t Need Batteries! Energy harvesting, the practice of scavenging ambient electromagnetic fields, light, or other energy sources, is a fascinating subject that we don’t see enough of here at Hackaday. It’s…
