Description :

– DFRobot URM13 is an ultrasonic ranging sensor with open single-probe
– It supports TRIG Pulse-triggered ranging (SR04 compatible), UART, and I2C communication protocols
– Compatible with 3.3V or 5V mainboards like Arduino and Raspberry Pi
– Small and compact body, easy to use and integrate into various applications
– UART mode employs standard Modbus-RTU protocol and integrates receive/send control output
– Allows users to easily expand the RS485 interface using an external RS485 transceiver
– Professional and advanced ultrasonic sensor
– Precision circuit design and smart detection algorithms for a smaller and lighter sensor
– Automatically detects ambient and electrical noise
– Completes dynamic adjustment and calibration of sensor parameters in real-time
-Ensures stable performance in various complex application scenarios.

– Features:

•Small and compact body
•Excellent sensitivity
•Automatic noise detection and real-time calibration
•HC-SR04 compatible
•UART and I2C interface, support to expand RS485
– Specifications:
•Power Supply: 3.3~5.5V DC
•Max Instantaneous Work Current: 350mA
•Operating Temperature: -10℃～＋70℃
•Effective Measuring Range: 15cm～900cm
•Resolution: 1cm
•Accuracy: 1%
•Measuring Frequency: 10Hz Max
•Dimension: 22×20mm/0.87×0.79”