--- product_id: 270871191 title: "LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04)" brand: "littco" price: "VT571" currency: VUV in_stock: false reviews_count: 1 url: https://www.desertcart.vu/products/270871191-littco-ultrasonic-module-distance-measurement-transducer-sensor-for-arduino-sr04 store_origin: VU region: Vanuatu --- # Accurate to 3mm Effective range up to 4m Low power consumption LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) **Brand:** littco **Price:** VT571 **Availability:** ❌ Out of Stock ## Summary > 🚀 Elevate Your Projects with Precision! ## Quick Answers - **What is this?** LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) by littco - **How much does it cost?** VT571 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/270871191-littco-ultrasonic-module-distance-measurement-transducer-sensor-for-arduino-sr04) ## Best For - littco enthusiasts ## Why This Product - Trusted littco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Range:** Effective distance measurement up to 4 meters, expanding your creative possibilities. - • **Energy Efficient:** Designed for low power consumption, keeping your projects sustainable. - • **Effortless Integration:** Seamlessly connects with Arduino for hassle-free setup. - • **Versatile Applications:** Ideal for robotics, automation, and DIY projects. - • **Precision at Your Fingertips:** Achieve measurements with an accuracy of 3mm, perfect for your next project. ## Overview The LITTCO Ultrasonic Module Distance Measurement Transducer Sensor (SR04) is a high-performance electronic accessory designed for seamless integration with Arduino. It offers precise distance measurements with an accuracy of 3mm and operates efficiently within a range of up to 4 meters, making it ideal for a variety of applications in robotics and automation. ## Description Module main technical parameters: 1. Working Voltage: 5V(DC)2. Static current: Less than 2mA. 3. Output signal: Electric frequency signal, high level 5V, low level 0V. 4. Sensor angle: Not more than 15 degrees. 5. Detection distance: 2cm-450cm. 6. High precision: Up to 0.3cm7. Input trigger signal: 10us TTL pulse 8. Echo signal: output TTL PWL signal Mode of connection: 1. VCC 2. trig(T) 3. echo(R) 4. GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not. The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules. Note: the module should be inserted in the circuit before been power, which avoid producing high level of misoperation; if not, then power again. Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal. 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal. 3. If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance = high level time x sound velocity (340M/S) / 2. Note: This module is not suitable to connect with electric power, if you need to connect this module with electronic power, then let the GND terminal of this module to be connected first, otherwise, it will affect the normal work of the moduleBrand: LITTCO Type: Electronic Accessories. ## Features - Brand: LITTCO - Type: Electronic Accessories - Model no: SR04 - Seamless functionality ## Images ![LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) - Image 1](https://m.media-amazon.com/images/I/71ZT8FkgUlL.jpg) ![LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) - Image 2](https://m.media-amazon.com/images/I/71Q6zdSuMtL.jpg) ![LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) - Image 3](https://m.media-amazon.com/images/I/7164BUCoUCL.jpg) ![LITTCO Ultrasonic Module Distance Measurement Transducer Sensor for Arduino (SR04) - Image 4](https://m.media-amazon.com/images/I/71+ee09QrAL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Good *by B***L on Reviewed in the United Arab Emirates on 20 November 2020* Nice --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/270871191-littco-ultrasonic-module-distance-measurement-transducer-sensor-for-arduino-sr04](https://www.desertcart.vu/products/270871191-littco-ultrasonic-module-distance-measurement-transducer-sensor-for-arduino-sr04) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-10*