Electronic brick - PIR motion sensor(digital)
This brick includes a PIR motion sensor module,Max sentry distance is 7 meters. If anyone moved in that range, Alarm pin will go high. The signal duration can be adjusted from 0.3s-18s by the yellow potienmeter.
Please visit Seeed Studio's wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.