Result And Analysis - Part 1-

GP2D12 Sensor (IR Sensor) as input for PIC Microcontroller

One I/O pin is needed for one IR Sensor as input for PIC microcontroller. The connection of the IR Sensor to the I/O pin is 5V. This sensor can measure object in the range 10cm-80cm. Figure 4.1 shows Input IR sensor interface with PIC microcontroller and Table 2 approximately voltage for distance object (letter).

                                       Voltage Calculation for distance object

DISTANCE OBJECT (LETTER)	APPROXIMATELY VOLTAGE
10cm	2.4V
20cm	1.93V
30cm	1.66V
40cm	1.47V
50cm	1V
60cm	0.52V
70cm	0.3V
80cm	0.16V