This motion detector alarm can detect a moving person from a distance of 1 meter. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor detects the reflected IR rays, alarm will sound ...

The motion-sensor module is an optical sensor that uses illuminating LEDs and focused detectors to sense moving objects. The module uses one bank of LEDs to illuminate a target and another bank of 32 ...

It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microco… ...

Reconstruction of a connectome within the fruitfly visual medulla, containing more than 300 neurons and over 8,000 chemical synapses, reveals a candidate motion detection circuit; such a circuit ...

Both use the C4001 24 GHz human presence detection sensor. ... Circuit-wise, there isn’t much going on since everything is on a module PCB.

Kangaroo’s new sensor is an enticing entry-level choice given its no-tools, no-hub setupd and $30 price tag. But sensors on their own can't provide a complete picture of what’s happening in ...