HomeKit Weekly: Aqara Presence Multi-Sensor FP300 brings Thread and motion automations to your smart home

The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and environmental detection.
XDA Developers on MSN

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, ...
IEEE

Modified GNSS-PIR and Initial Verifications From the Perspective of Altimetry

Abstract: This article proposed a modified structure of global navigation satellite system (GNSS) pseudointerferometric reflectometry (GNSS-PIR). The combination of the direct and reflected signals at ...
IEEE

Alive Human Detection in War Fields and Earthquakes using PIR Sensor and Monitoring the Heartbeat of the Victims

Abstract: During war fields and natural disasters like earthquakes, rescue crews struggle to find victims due to people being buried under debris, stuck in inaccessible locations, or unseen by rescue ...
circuitdigest.com

Send SMS Alert Using Seeed Studio Xiao ESP32

The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...