URM37 - Ultrasons

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This sensor is perfect for any number of applications that require you to perform measurements between moving or stationary objects. Naturally, robotics applications are very popular but you'll also find this product to be useful in security systems or as an infrared replacement if so desired.sensor measures distance using sonar; an ultrasonic (well above human hearing) pulse is transmitted from the unit and distance-to-target is determined by measuring the time required for the echo return. 

The URM37 V3.2 Ultrasonic Sensor uses an industrial level AVR processor as the main processing unit. It comes with a temperature sensor which is unique in its class. The sensor has unique three output mode (PWM, RS232 or TTL) which let it easy to adapt to most devices and applications. The sensor provides one channel servo control output which can be used for sweep function. 

The URM V3.2 Rev2 has a jumper which allows user to select RS232 level output or TTL level output. 

 

Specification

• Power: +5V
• Current: <20mA
• Working temperature: -10 ~ +70 C
• Detecting range: 4cm-3m (3-5m is possible, but depending on situations)
• Resolution: 1cm
• Interface: PWM, RS232 or TTL (via Jumper)
• Servo control: One servo control output
• Operating Mode: Serial (PWM) passive control mode; Autonomous Mode; On/OFF Mode
• Temperature sensor: 12 bits reading from serial port
• Size: 22mm × 51 mm
• Weight: 30g

Optional Part

• Sensor Mounting bracket

Documents

• Manual
• Arduino Library (Only IDE V1.0 Compatible)
• Arduino Library  (IDE 0023 and below)
• Help Mate

Tutorial

• Arduino Library Tutorial 

Projects

• http://letsmakerobots.com/node/5629