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DFRobot

DFRobot URM15 75kHz Ultrasonic Sensor 30–500cm RS485

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DF Robot Modules for premium buyers

The DFRobot URM15 75kHz Ultrasonic Sensor 30–500cm RS485 by DFRobot is a premium df robot modules designed for premium buyers. It features Shipping Weight: 0.254 kg and Shipping Dimensions: 20 × 14 × 5 cm.

₹12,337
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Total: ₹12,337
Buying tip: A top-tier option — the best features and quality available in this category.
Estimated delivery: 17 Aug31 Aug
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Quick Specs

Shipping Weight: 0.254 kg
Shipping Dimensions: 20 × 14 × 5 cm

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-1397844Category: DF Robot Modules

About This Product

The DFRobot URM15 75kHz Ultrasonic Sensor 30–500cm RS485 by DFRobot is a premium df robot modules designed for premium buyers. It delivers reliable performance at an accessible price.

Key Specifications

  • Shipping Weight: 0.254 kg
  • Shipping Dimensions: 20 × 14 × 5 cm

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

DFRobot URM15 is an ultrasonic ranging sensor with an IP65 waterproof probe that offers an effective measuring range of 30cm-500cm (test on flat wall). It uses the RS485 interface that follows the standard Modbus-RTU protocol for reliable data communication. The sensor supports revisable slave addresses and serial parameters, which can be conveniently used with all kinds of industrial controlling machines. In addition, the URM15 comes with a temperature compensation function. Users can select external or onboard temperature compensation to reduce the impact of ambient temperature on the measurement. The sensor adopts 75KHz ultrasonic transducer with diameter of 40mm, so it features a relatively small measuring angle and high sensitivity. Applications:

  1. Industrial controlling machines

Features:

  1. IP65 grade protection
  2. RS485 communication interface based on standard Modbus RTU protocol
  3. High sensitivity & small measuring angle

Packages Includes:

1 x DFRobot URM15 - 75KHZ Ultrasonic Sensor (30~500cm, RS485)

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.