Ultrasonic Distance Sensor This item is discontinued.

The Robotica Ultrasonic Distance Sensor measures the distance or presence of a target object by sending a sound wave above the range of hearing at the object and then measuring the time it takes for the sound echo to return. This item is discontinued.

Infrared Proximity Sensor This item is discontinued.

Low cost infrared object detection sensor for robotics and general sensing applications. Supplied in circular and rectangular open pcb versions.