--- product_id: 591527085 title: "DYP-A21 5M Tiny 2 Angle Smart Ultrasonic Sensor for Robot AGV Control Tank Water Level Distance Measure Parking (RS485 Output, 1)" brand: "generic" price: "NZ$107" currency: NZD in_stock: true category: "Generic" url: https://www.desertcart.nz/products/591527085-dyp-a21-5m-tiny-2-angle-smart-ultrasonic-sensor-robot store_origin: NZ region: New Zealand --- # Ultra-low 5μA sleep power IP67 waterproof rating 3cm-500cm range precision DYP-A21 5M Tiny 2 Angle Smart Ultrasonic Sensor for Robot AGV Control Tank Water Level Distance Measure Parking (RS485 Output, 1) **Brand:** generic **Price:** NZ$107 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your robotics with precision sensing that never sleeps! ## Quick Answers - **What is this?** DYP-A21 5M Tiny 2 Angle Smart Ultrasonic Sensor for Robot AGV Control Tank Water Level Distance Measure Parking (RS485 Output, 1) by generic - **How much does it cost?** NZ$107 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/591527085-dyp-a21-5m-tiny-2-angle-smart-ultrasonic-sensor-robot) ## Best For - generic enthusiasts ## Why This Product - Trusted generic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Future-Proof Firmware:** Remote upgrade capability keeps your sensor cutting-edge without the hassle of replacements. - • **Versatile Output Modes:** Supports RS485, UART, PWM, IIC, and more for seamless integration with your smart systems. - • **Smart Noise Suppression:** Advanced algorithms filter out interference, delivering crystal-clear distance readings every time. - • **Built to Brave the Elements:** IP67-rated waterproof PVC housing means reliable performance even in the harshest environments. - • **Pinpoint Accuracy in Every Scan:** Millimeter resolution with a minimal 3cm blind zone ensures your measurements never miss a beat. ## Overview The DYP-A21 is a compact, industrial-grade ultrasonic sensor offering millimeter-level accuracy across a 3cm to 5m range. Featuring IP67 waterproof protection, multiple output interfaces including RS485, and intelligent noise reduction, it’s engineered for reliable, real-time distance measurement in demanding environments. Its ultra-low power consumption and remote firmware upgrade capability make it ideal for advanced AGV, robotics, and water level monitoring applications. ## Description The A21-module is based on the use of a closed split waterproof probe. IP67 suitable for harsh environments.The 3cm small blind area is suitable for different detection conditions. It is a simple operation high-performance, high-reliability commercial-grade functional module. Product Specifications: wide voltage supply ，working voltage3.3～24V; blind area can up to 2.5cm minimum; The farthest range can be set, a total 5-level range of 50cm to 500cm can be set through instructions; A variety of output modes are available,UART auto / controlled, PWM controlled, switch volume TTL level(3.3V), RS485,IIC,etc. (UART controlled and PWM controlled power consumption can support ultra-low sleep power consumption≤5uA); The default baud rate is 115,200, Supports modification; Ms-level response time, data output time can up to 13ms fastest; Single and double angle can be selected, a total of four angle levels are supported for different application scenarios; Built-in noise reduction function which can support the 5-grade noise reduction level setting; Intelligent acoustic wave processing technology, built-in intelligent algorithm to filters interference sound waves, can identify the interference sound waves and automatically perform filtering； Waterproof structure design, waterproof grade IP67； Strong installation adaptability, installation method is simple, stable and reliable； Support remote firmware upgrade； ## Features - Features of the DYP-A21 module include millimeter resolution, 3cm to 500cm range, construction and severaloutput types: PWM pulse width output, UART controlled output, UART automatic output, switching output, RS485 output,ICC output,CAN output. - The sensor adopts a compact and sturdy PVC housing and meets the IP67 water intrusion standard. In addition, the A21 uses high output sound power, combined with continuously variable gain, real-time background automatic calibration and noise suppression algorithms to provide almost noise-free distance readings. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1G2R223 | | Brand | Generic | | Brand Name | Generic | | Included Components | Ultrasonic sensor | | Manufacturer | Nareg Int., Inc. | | Material | PVC | | Material Type | PVC | | Number of Items | 1 | | Part Number | DYP-A21 | | UPC | 689358224056 | ## Product Details - **Brand:** Generic - **Manufacturer:** Nareg Int., Inc. - **Material:** PVC - **UPC:** 689358224056 ## Images ![DYP-A21 5M Tiny 2 Angle Smart Ultrasonic Sensor for Robot AGV Control Tank Water Level Distance Measure Parking (RS485 Output, 1) - Image 1](https://m.media-amazon.com/images/I/41PMSIetbXL.jpg) ![DYP-A21 5M Tiny 2 Angle Smart Ultrasonic Sensor for Robot AGV Control Tank Water Level Distance Measure Parking (RS485 Output, 1) - Image 2](https://m.media-amazon.com/images/I/61XtzfxGpSL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. --- ## 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.nz/products/591527085-dyp-a21-5m-tiny-2-angle-smart-ultrasonic-sensor-robot](https://www.desertcart.nz/products/591527085-dyp-a21-5m-tiny-2-angle-smart-ultrasonic-sensor-robot) --- *Product available on Desertcart New Zealand* *Store origin: NZ* *Last updated: 2026-05-28*