A breast milk monitor made its big debut at CES - and parents are loving it

The Coro is a nipple shield with a tiny sensor that can accurately measure how much breast milk a baby is getting during a feeding - the first of its kind on the market.
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I built a ghost-proof ESP32-powered presence sensor and here's how it works

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...