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

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SwitchBot has launched its new battery-powered Presence Sensor, featuring a 60Hz mmWave radar, ...

Ring doorbells aren’t exactly the most secure things in the world and having to maintain a complete connection with Amazon’s servers to maintain footage or photos of those who come up to your door is ...

Abstract: In this paper, we use a modified passive infrared radiation or pyroelectric infrared (PIR) sensor to classify 5 different human motion events with one additional “no action” event. Event ...

Abstract: There has been much recent interest in Private information Retrieval (PIR) in models where a database is stored across several servers using coding techniques from distributed storage, ...

The “intelligent induction lamp” is a cheap indoor motion sensor nightlight that comes in handy so you do not have to fumble for the light switch in the dark. It is in fact a compact motion sensor ...

This example can be divided into two parts – Passive Infrared (PIR) sensor interface and Bluetooth® Low Energy (BLE) communication. Both of these parts are independent to each other meaning any choice ...

Smart Bee Designs’ Bee Motion is an ESP32-S2 board with a PIR motion sensor, some GPIOs for expansion, and promising over a year of battery life under the right circumstances. If the name “Bee Motion” ...

There’s no shortage of ESP32 development boards out there, with many of them offering some “killer app” feature which may or may not align with whatever it is you’re trying to do. But if you’ve got a ...