The best sensor you can use to detect an intrusion is the Passive Infrared (PIR) Sensor. The PIR Sensor detects the motion of a human body by the change in surrounding ambient temperature when a human ...

Present consists of just a PIR sensor and Arduino in a 3D printed enclosure to snap ... an Arduino Nano, PIR sensors, an SG90 servo, ... Porting COBOL Code And The Trouble With Ditching Domain ...

Working from home with regular video meetings has its challenges, especially if you add kids to the mix. To help avoid embarrassing situations, [Charitha Jayaweera] created Present!, a USB device t… ...