Introduction

• An ultrasonic sensor measures distance by calculating the time difference between sending a signal and receiving an echo from an object. It uses echolocation to measure distances, just like a bat.
• The URM07 is an ultra-low-power sensor. The effective range is up to 7.5m, and it has a wide range of power supply of 3.0 – 5.5V. It is directly compatible with 3.3V or 5V devices such as Arduino, Raspberry Pi .etc. The average operating current is only 5mA and the standby current is only 14uA.
• According to the principle of ultrasound sensors, the accuracy of the distance value will be affected by the air temperature and wind direction, so using a DFRobot URM07 built-in temperature sensor, you can read the ambient temperature, and automatically calculate temperature compensation. The sensor uses an integrated ultrasonic probe with a detection angle of approximately 60° in a compact and lightweight unit. The unit uses a 2.54mm pitch 4Pin interface, using UART communication, compatible with most common microcontrollers.
• URM07 UART ultrasonic distance sensors have undertaken rigorous road testing and optimization. We guarantee that this sensor has first-class response speed, ultra-high stability, the highest sensitivity, and ultra-low power consumption. If you have harsh environmental requirements for your sensor performance in your design, the URM07 is definitely the best choice.

Specification

• Operating Voltage: 3.0 ~ 5.5V DC
• I/O Operating Mode: Open Drain (OD), integrated pull-up resistor
• Effective Range: 20 ~ 750 cm
• Direction Angle: 60 °
• Standby Current: <14>
• Peak Current: <9>
• Average Current: <5>
• Distance Resolution: 1cm
• Distance Error: 1%
• Operating Temperature Range: -10 ~ 70 ℃
• Temperature Error: ± 1 ℃
• Operating Humidity Range: RH <75>
• Acoustic Frequency: 38 ~ 42KHz
• Boot Start Time: <20ms>
• Measurement Period: <60ms>
• Dimension: 27 * 27 mm/ 1.06 * 1.06 inches