Some of the first remote controls available to consumers used sound, visible light, or even just wires to communicate with their parent device. It was many years between these first …read more (https://hackaday.com/2026/10/25/simple-reliable-rf-remote-control/)

Mesh Network Telephony Over Bluetooth on Android Phones
https://hackaday.com/2026/10/25/mesh-network-telephony-over-bluetooth-on-android-phones/

Telephony is a bit of a mixed bag. On the one hand, being able to talk to people in far off places is kind of neat, at least in theory. …read more (https://hackaday.com/2026/10/25/mesh-network-telephony-over-bluetooth-on-android-phones/)