Hopefully this is a sign of more to come.

There’s a lot of junk on the market — these are the best smart frames that are worth your money. With so many battery packs on the market right now, we tested out a bunch to see which are worth your ...

Update 2022: Please see https://github.com/astoeckel/wireless_doorbell for more complete AVR code used to drive the Si446x chip. Also note that chip used in ...