logoalt Hacker News

ninalanyontoday at 7:50 AM1 replyview on HN

How close are we to smart dust I wonder? How small can we make wireless communications?


Replies

kvdveertoday at 8:19 AM

> How close are we to smart dust I wonder? How small can we make wireless communications?

There's two limiting factors for 'smart dust': power (batteries are the majority weight and volume of this vape), and antennae (minimum size determined by wavelength of carrier wave).

I believe you can fit an NFC module in a 5x5mm package, but that does externalize the power supply.

show 1 reply