The IR Eclipse Click Board™ from MikroE is a popular accessory board incorporating an EE-SX198 photo interrupter sensor, which consists of an infrared transmitter and receiver facing each other, separated by a 3mm-wide slit. When an object, say a piece of paper, is placed in the slit, the beam of infrared that travels from the transmitter to receiver is eclipsed, which in return, activates the sensor. The activated sensor status is indicated by the onboard INT LED.
The application of an IR Eclipse Click Board™ seen in everyday use would be a printer or copier machine, where the sensor detects whether the paper is in place. IR eclipse Click Board™ would be an ideal choice for your design wherever there