At the heart of every camera is a sensor, whether that sensor is a collection of light-detecting pixels or a strip of ...

The sensitivity of the proximity sensor circuit can be adjusted with P1 for the desired “distance”. One of its obvious uses is to open a door automatically. For this the sensor must be placed on the ...

A typical reflective object sensor consists of an infrared light emitter diode (IRED) and an NPN silicon phototransistor mounted side-by-side on parallel axes in a compact black plastic housing. The ...

Some robots can swim. Others can kick, fetch, jump or fly. But the latest development in the field of robotics lets machines carry out an activity that is somewhat less athletic: plugging in a USB ...