Led indicator circuit short-range radar sensor that is used gp2d120 sharp pic 18f452 microcontroller software in C language Hi-Tech c with LEDs 74HCT373 integrated infrared sensor with pic GP2D120 a good example to use ..
Sharp GP-2D120 features
• Analog output
• Effective range: 4 30 cm
• Typical response time: 39 MS
• Typical start up delay: 44 MS
• Average current consumption: 33 mA