Ultrasonic range sensor HRLV-MaxSonar-EZ1 [MB1013]

Output signal available as:
voltage
distance readings on UART
PWM
Technical specification:
Operating voltage: 2.5V - 5.5V
Sensor frequency: 42 kHz
Readings rate: 10 Hz
Operational Temperature: from -15˚C to +65˚C
Calibration: real-time automatic (voltage, humidity, ambient noise)
Dead zone: none, distance less than 30 cm is reported as 30 cm
Links:
MB1013 datasheet