PIR brightness sensor with Bluetooth Internet of Things function

The utility model discloses a PIR brightness sensor with a Bluetooth internet of things function, which comprises a bottom plate, a sensor body is fixedly arranged at the top of the bottom plate, a protective glass frame is arranged at the top of the bottom plate, the protective glass frame is light-transmitting, L-shaped plates are fixedly arranged at four corners of the bottom of the protective glass frame respectively, and the L-shaped plates are fixedly connected with the sensor body. The bottom of the upper end of the L-shaped plate is fixedly provided with a plurality of telescopic rods, the bottoms of the telescopic rods are fixedly arranged on the bottom plate, the top of the bottom plate is fixedly provided with a threaded cylinder, the threaded cylinder is arranged below the L-shaped plate, the L-shaped plate is provided with a positioning screw rod, and the positioning screw rod is in threaded fit with the L-shaped plate. According to the utility model, the problems that most of PIR brightness sens