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Criando um sistema de alertas utilizando um sensor PIR. Sensores de presença no formato PIR, são comumente utilizados em uma grande quantidade de projetos, tais como: automações residenciais e ...

The Qwiic Human Presence Sensor uses the AK975x digital PIR. This sensor uses four sensors with overlapping fields of view in order to detect both human presence and the associated movement of that ...

The need for home security alarm systems nowadays is a serious demand. As the number of crimes is increasing every day, there has to be something that will keep us safe. A motion sensor dog barking ...

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 ...

[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

Fascinated with electronic projects and want to build your own? Arduino boards can most definitely help with that. These microcontroller boards are designed to send and receive data to and from the ...