Pankaj, a Bengaluru-based developer, posted pictures and a demonstration video of the modified device, explaining that he built the assistant using a Raspberry Pi and other inexpensive components.

Enjoy efficient knowledge management ...

An off-the-shelf kit and about two hours are all you need.

The various Raspberry Pi camera modules have become the default digital camera hacker’s tool, and have appeared in a huge number of designs over the past decade. They’re versatile and ...