A year testing a smart lock with a hidden superpower: infrared wireless charging.

[Atomic14] bought some wireless LEDs that receive power from a base station. They were very neatly packaged, but — we like it — he took one apart and made his own versions. They may not look ...

[Samer] built this from scratch and it features two main sub-systems, a electromagnet with feedback electronics and a wireless power transfer setup. The ring of LEDs has a stack of neodymium ...