--- product_id: 490274139 title: "5Pack TTL to RS485 Adapter Module, 485 to TTL 3.3V/5.0V Signals Serial Port Power Supply Converter with Indicator Lights" brand: "atnsinc" price: "€ 26.02" currency: EUR in_stock: true reviews_count: 2 category: "Atnsinc" url: https://www.desertcart.hr/products/490274139-5pack-ttl-to-rs485-adapter-module-485-to-ttl-3 store_origin: HR region: Croatia --- # 3.0V~30V wide voltage range Up to 256000bps baud rate -40°C to +85°C industrial temp 5Pack TTL to RS485 Adapter Module, 485 to TTL 3.3V/5.0V Signals Serial Port Power Supply Converter with Indicator Lights **Brand:** atnsinc **Price:** € 26.02 **Availability:** ✅ In Stock ## Summary > 🚀 Power your serial communication with precision and protection! ## Quick Answers - **What is this?** 5Pack TTL to RS485 Adapter Module, 485 to TTL 3.3V/5.0V Signals Serial Port Power Supply Converter with Indicator Lights by atnsinc - **How much does it cost?** € 26.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/490274139-5pack-ttl-to-rs485-adapter-module-485-to-ttl-3) ## Best For - atnsinc enthusiasts ## Why This Product - Trusted atnsinc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Convenience:** Includes 5 modules plus a 4-pin socket cable for quick deployment in any setup. - • **Real-Time Data Monitoring:** Built-in TXD & RXD indicator lights keep you instantly informed of data flow status. - • **Industrial-Grade Durability:** Operates flawlessly in extreme temperatures from -40°C to +85°C, perfect for demanding environments. - • **Universal Voltage Compatibility:** Seamlessly supports both 3.3V & 5.0V TTL signals for versatile integration. - • **Robust Long-Distance Transmission:** Reliable communication up to 800 meters with lightning protection and anti-interference tech. ## Overview The ATNSINC 5Pack TTL to RS485 Adapter Module converts TTL signals (3.3V/5.0V) to RS485 serial communication with a wide operating voltage (3-30V) and baud rates up to 256000bps. Featuring TXD/RXD indicator lights and robust lightning/EMI protection, it supports reliable data transmission up to 800 meters in harsh environments (-40°C to +85°C). Ideal for professionals needing durable, high-performance serial adapters in bulk. ## Description Buy ATNSINC 5Pack TTL to RS485 Adapter Module, 485 to TTL 3.3V/5.0V Signals Serial Port Power Supply Converter with Indicator Lights: Serial Adapters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: 2 died with in the first week - The title says it all Review: They work straight through so timing is important with your code. 50ms delay. - RS485 coms work with this. I like it because you do not need two extra wires for receive and send data. ## Features - Operating voltage range: DC 3.0V ~ 30V; Baud rate: 110 ~ 256000bps; Operating temperature range: -40 ℃ to +85 ℃. - Compatible with 3.3V and 5.0V signals; TXD & RXD Indicator: the TTL to RS485 Adapter is designed with Transmit Data indicator light and Receive Data indicator light, convenient for your monitoring. - The 485 bus is with lightning protection and anti-jamming function, with high EMC, EMI performance. When using for long-distance transmission in the field, the module EARTH side please connect to the ground, can achieve well anti-interference and lightning protection function; for indoor short-distance transmission, it cannot connect to ground. - Transmission Distance up to kilometers : with 850 meters of 2*1.5 cable to do the test, it is recommended to use within 800 meters, more than 800 meters plus repeaters. - Package Included:5x TTL to RS485 Signal Converter Module+ 1x 2.54 White Socket with 4P Lines ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B28LB3RK | | Best Sellers Rank | #529 in Serial Adapters | | Brand | ATNSINC | | Color | White | | Compatible Devices | Laptop, Microphone, Personal Computer, Smartphone | | Connector Type | TTL | | Current Rating | 256000 Milliamps | | Customer Reviews | 3.9 3.9 out of 5 stars (3) | | Input Voltage | 3 Volts | | Item Weight | 0.05 Kilograms | | Manufacturer | ATNSINC | | Model Number | 22b99946-5050-4ddd-87a9-e927685afbeb | | Number of Items | 5 | | Number of Ports | 1 | | Package Quantity | 1 | | Power Plug Type | No Plug | | UPC | 701715491083 | | Unit Count | 5.0 Count | | Warranty Description | NO WARRANTY | ## Product Details - **Brand:** ATNSINC - **Color:** White - **Compatible Devices:** Laptop, Microphone, Personal Computer, Smartphone - **Connector Type:** TTL - **Item Weight:** 0.05 Kilograms ## Images ![5Pack TTL to RS485 Adapter Module, 485 to TTL 3.3V/5.0V Signals Serial Port Power Supply Converter with Indicator Lights - Image 1](https://m.media-amazon.com/images/I/81hRiMuj04L.jpg) ## Questions & Answers **Q: Does the txd pin on your module connect to the rxd or txd pin on my microcontroller?** A: TxD works with 5V TX pin on Arduino (e.g. pin 18). Didn’t work with 3.3V pin on Raspberry Pi 4. Watch out for GND and VCC cables. Their colors are mixed up. ## Customer Reviews ### ⭐⭐ 2 died with in the first week *by V***A on September 28, 2024* The title says it all ### ⭐⭐⭐⭐⭐ They work straight through so timing is important with your code. 50ms delay. *by D***N on August 8, 2024* RS485 coms work with this. I like it because you do not need two extra wires for receive and send data. --- ## 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.hr/products/490274139-5pack-ttl-to-rs485-adapter-module-485-to-ttl-3](https://www.desertcart.hr/products/490274139-5pack-ttl-to-rs485-adapter-module-485-to-ttl-3) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-15*