When there's no light but there's movement, the bulb opens When there's no light nor there's movement, the bulb is closed When there's a light but there's no movement, the bulb is closed 1- VCC pin on ...

There’s no shortage of ESP32 development boards out there, with many of them offering some “killer app” feature which may or may not align with whatever it is you’re trying to do. But if you’ve got a ...

The project aimed to create a cameratrap system. It uses a PIR motion sensor along with the ESP32-CAM microcontroller equipped with an OV2640 camera and a microSD card reader. The camera captures ...

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 ...