Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest ... all I get is the image shown below which makes no sense. Although the data is somewhat readable, there is ...

SB0061 is a pyroelectric sensor module,developed for human body detection. A PIR detector combined ... is provided. Circuit diagram of the PIR Motion Sensor Light and Switch based on SB0061 shown here ...

As things get smaller, we can fit more processing ... As for sensors, it has a light sensor and an optional 9-axis motion sensor, allowing for gesture sensing, proximity detection, and motion ...