As we continue to break new ground in the field of cosmology, the importance of carefully categorizing the objects we see comes into focus. Part of this stems from the fact that, increasingly, we find ...
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 ...
When using a reflective objectsensor, counting and identifyingobjects is sometimes difficult in the presenceof electrical noise or bright ambientlight. The circuit in Figure 1 shows aninexpensive ...
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