Detection

Eco Friendly Metal Detector - Arduino: Metal Detecting is a lot of fun. One of the challenges is being able to narrow the exact place to dig to minimize the size of the hole left behind. This unique metal detector has four search coils, a color touch screen to identify and pinpoint the l…

Description: This switch with PIR Infrared Motion sensor detector, can be used in corridors, bathrooms, basements, warehouses, garages and other places to achieve automatic control functions. High and stable sensitivity, effectively save energy and money for you. Features: With PIR motion sensor, it can detect human movement by detecting infrared ray emitted by human body. 120 degrees cone angle detecting range. High and stable sensitivity, effectively save energy and improve efficiency…

DIY Super Simple Sensitive Metal Detector: Extremely simple Metal Detector whose making requires only one cheap integrated circuit TL084. It can detect metal coin at 15cm distance, and big plate at more than 50 cm.

IoT Raspberry Pi security camera running OpenCV for object detection. The camera will send an email with an image of any objects it detects.

Beach metal detecting tips, from tools planning and strategies I use for treasure hunting and how I found 34 rings in one month using these methods.

(eBay) GMJ3 Strahlungsmessgerät Dosimeter Nuklear Strahlenmessgerät Geigerzähler H2O8

There are plenty of ways to find these hidden cameras before people have the chance to spy on you. Understanding where people place hidden cameras and how to detect them gives you peace of mind and a little more control over your privacy. #HowTo #Security #Privacy #Spy #Surveillance #Protection

Simple Arduino Metal Detector: *** A new version has been posted that is even simpler: https://www.instructables.com/Minimal-Arduino-Metal-Detector/ *** Metal detection is a great past-time that gets you outdoors, discover new places and maybe find something interesting. Check yo…

Introduction The item is wireless curtain PIR sensor, it adopt advance digital analysis processing, with high detecting and anti-false alarm function. When people intrude into the detecting range and move, the detector will send signal to alarm panel. The product suit for house, residence, factory, store, office and so on. Parameter： * Ceiling/door/window/curtain PIR sensor Imported sensors, infrared processing chip * External adapter: USB adapter 110-220V * Internal battery: 2*DC 1.5V AAA…

ZigBee Human Presence Sensor mmWave Radar High Precision Sensing Human BodyT4 Function introduction: Real-time detection of whether someone exists, -motion detection (, breathing, etc.), motion detection Accurate detection of dynamic: This product uses advanced millimeter wave radar technology to accurately detect whether there are people in the area,whether they are moving or stationary. Accurate recognition and wide range perception subtle human or animal movements. Built in multiple…