First sensor is mounted and working properly. But some calibration is needed. There is not any problem with the range (~30 cm using 12x12cm white paper) but 8th level is very narrow. Blue led is shining since the sensor senses an object. The sensor has a PIC12F683 microcontroller and measures the distance using IR signals. It sends distance information to the sensor card controller (PIC16F877A) upon the controller's request. Request is made using interrupt features. Blue led is controlled by the sensor card controller. Object information is also sent to the PC via serial connection at 115200 baud using the Kobot data cable for testing purposes.
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