Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

This project implements a motion detection system using an Arduino-compatible board with Bluetooth Low Energy (BLE) capabilities. The system utilizes a Passive Infrared (PIR) sensor to detect motion ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled ...

Many close-proximity motion detectors use the classic, widely available passive-infrared (PIR) approach, which is effective but has limited sensitivity and adjustability, and can’t “see” through ...

Basic motion sensing setup using Arduino, PIR sensor, LEDs, and push button for interaction & Motion-triggered alarm system with Arduino, PIR sensor, piezo buzzer, and LED alert. // first pic This ...

External. Sensor: Differential pyro-electric array. Alarm hold time 0.2 -10 seconds, adjustable. Detection speed range 0.2m/s to 5 m/s. Gain control 50-100% (automatic). Provides protection in low ...