Living objects with a body temperature above 0°C emit heat as infrared radiation, also known as thermal radiation, which is invisible to the human eye. PIR sensors, designed for this purpose, can ...

If you are thinking about building yourself a burglar alarm or you are thinking about Automating lights in your room, then you should definitely consider using an HC-SR501 Passive Infrared Sensor or ...

The PIR (Passive Infrared) motion sensor is used to detect motion within a certain range. This project utilizes the PIR motion sensor to detect movement and trigger an LED to turn on using a Raspberry ...

This task involves using two sensors—a PIR sensor and a light sensor—to control an LED based on specific conditions. The system performs the following actions: • Movement without Light: Turns on the ...

While there are loads of impressive and complex projects here on Hackaday, sometimes it’s the simple ones that really speak to us. In this case we were presented with [Isabell Park]’s easy-to-follow ...

Sometimes, projects start in somewhat unlikely places. This one began when [Istvan Raduly] scored a fake raven at a neighbor’s garage sale and decided to turn it into a thunder-and-lightning ...