GP2Y0A21YK0F Sharp 10-80cm Infrared distance sensor

Specification

• Operating voltage: 4.5 V to 5.5 V
• Average current consumption: 30 mA (typical)
• Distance measuring range: 10 cm to 80 cm (4" to 32")
• Output type: analog voltage
• Output voltage differential over distance range: 1.9 V (typical)
• Response time: 38 ± 10 ms
• Package size: 29.5×13.0×13.5 mm (1.16×0.5×0.53")
• Weight: 3.5 g (0.12 oz)

/* * * VCC -- VCC * GND -- GND * Signal -- Analog 0 */ #define pin A0 void setup () { Serial.begin (9600); pinMode (pin, INPUT); } void loop () { uint16_t value = analogRead (pin); uint16_t range = get_gp2d12 (value); Serial.print("Analog value:"); Serial.println (value); Serial.print ("Distance:"); Serial.print (range); Serial.println (" mm"); Serial.println (); delay (500); } uint16_t get_gp2d12 (uint16_t value) { if (value < 10) value = 10; return ((67870.0 / (value - 3.0)) - 40.0); }