MB1414 USB-ProxSonar-EZ1

From the manufacturer

The USB-ProxSonar-EZ1 has a detection zone of ~5 feet and will allow for 8+ simultaneous sensors.

The USB-ProxSonar-EZ ultrasonic proximity sensors feature an easy to use USB interface that connects directly to a computer with a standard Micro-B USB cable. The USB-ProxSonar-EZ sensors detect objects in a calibrated detection zone and reports when an object enters the detection zone. The target is released after leaving the detection zone.

The USB-ProxSonar-EZ products are low cost ultrasonic proximity sensors that provide a component module solution that offers easy to use outputs, no sensor dead zone, calibrated beam patterns, stable range readings, low power demands, and a host of other features.

Automatic multi-sensor operation
Compatible with Windows, Mac, and Linux
People sensor
~5 foot detection zone
Run up to 8+ sensors in the same environment
42kHz Ultrasonic sensor measures distance to objects
RoHS Compliant
Virtually no sensor dead zone, objects closer than 6 inches range as 6 inches
Small, light weight module
Designed for easy integration into your project or product
~2.5 second target acquire time
~1.5 second target release time

Custom acquire and release times available from the manufacturer.