PIR Motion Sensor
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This sensor allows you to detect the movement of animals, usually the movement of humans within its detection range. Just connect it to the NyBoard and program it, and when anyone moves within its detection range, the sensor will output a high potential on its SIG pin.
Connecting to the NyBoard with wire as shown in the following picture:
For specific use, the end connected to the sensor can be fixed on the robot's head (included in Bittle's mouth or attached to the top of Nybble's head), of course, you can also use your creativity according to actual needs.
You can use the Arduino IDE to upload the demo code (test_Touch_Reflection_PIR.ino) or compile and upload your own code.
This demo sketch (test_Touch_Reflection_PIR.ino) implements real-time printing of sensor detection results in the serial monitor - when anyone moves within its detection range, print 1; otherwise, print 0.
The demo code is in the OpenCat code repository on GitHub (specific path: OpenCat/ModuleTests/test_Touch_Reflection_PIR). You can visit our GitHub code repository https://github.com/PetoiCamp/OpenCat to download the complete code, as shown in the following figure:
