--- product_id: 805908203 title: "– 2 pcs USB to TTL Serial Cable for Android Mobile phone serial cable Type-C to UART 340 Chip OTG Cable 5V Compatible with tablets and computers,for STC/for STM32" brand: "youmile" price: "₩60504" currency: KRW in_stock: true category: "Youmile" url: https://www.desertcart.kr/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile store_origin: KR region: South Korea --- # High-speed Type-C interface Supports 12 baud rates up to 921600 5V & 3.3V power output, no external supply – 2 pcs USB to TTL Serial Cable for Android Mobile phone serial cable Type-C to UART 340 Chip OTG Cable 5V Compatible with tablets and computers,for STC/for STM32 **Brand:** youmile **Price:** ₩60504 **Availability:** ✅ In Stock ## Summary > 🔌 Debug Like a Pro, Connect Like a Boss! ## Quick Answers - **What is this?** – 2 pcs USB to TTL Serial Cable for Android Mobile phone serial cable Type-C to UART 340 Chip OTG Cable 5V Compatible with tablets and computers,for STC/for STM32 by youmile - **How much does it cost?** ₩60504 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile) ## Best For - youmile enthusiasts ## Why This Product - Trusted youmile brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Your Projects:** Delivers stable 5V and 3.3V outputs directly from your device—no extra power needed. - • **Built to Last & Perform:** Premium materials and integrated 340 UART chip ensure rock-solid stability and longevity. - • **Plug & Debug in a Flash:** Seamlessly connect Android devices and computers with ultra-fast Type-C OTG compatibility. - • **Dual Cable Pack Advantage:** Two cables included for bridging or multitasking, perfect for complex debugging setups. - • **Versatile Baud Rate Mastery:** Supports 300 to 921600 baud rates for flawless communication across all your MCU projects. ## Overview This 2-pack USB to TTL serial cables feature high-speed Type-C OTG interfaces with integrated 340 UART chips, supporting multiple baud rates up to 921600. Designed for Android phones, tablets, and computers, they enable efficient serial port debugging and MCU communication without external power, delivering 5V and 3.3V outputs. Ideal for developers and engineers seeking reliable, versatile, and durable serial communication tools. ## Description This 0TG serial cable features a high-speed Type-C interface for direct connection to for Android phones, tablets, computers, and other devices for serial port debugging.Its high-quality integrated chip and exceptional performance make it ideal for demanding data communication applications, converting USB to UART serial ports.It can communicate with microcontrollers such as for STC/for STM32.Communication devices1. for Android phone-to-computer communication2. for Android phone-to-MCU communication3. for Android phone-to-for for Android phone communication(Two 0TG serial lines are required for bridging)Features:1. Supports multiple baud rates: 300/600/1200/2400/4800/9600/19200/38400/57600/115200/230400/460800/9216002. The 0TG serial line directly uses the 5V voltage of the mobile phone end, without the need for an external power supply, and can output 5V and 3.3V voltages to power external devices. (Current ≤ 500ma)3. Provide mobile for Android source code, using Android studio or Eclipse as the development environmentPackage Includeds:2 x 340 Type-C to TTL Serial Cable ## Features - What it does: This 0TG serial cable features a high-speed Type-C interface for direct connection to for Android phones, tablets, computers, and other devices for serial port debugging.Its high-quality integrated chip and exceptional performance make it ideal for demanding data communication applications - High Quality: This serial port adapter is made of high-quality materials, with high stability and high quality, and long service life - Development environment: You can use for Android Studio or Eclipse as the development environment - Supports multiple baud rates: 300/600/1200/2400/4800/9600/19200/38400/57600/115200/230400/460800/921600 - Cable sequence defined: Red +5V, black GND, green RX, blue TX, orange 3.3V.Application for laboratories, product testing and low cost MCU communications etc - Note: for Android phones, please make sure your phone supports OTG function - Package Includeds: 2 x 340 Type-C to TTL Serial Cable ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FYCKRHPY | | Batteries Required? | No | | Best Sellers Rank | 44,125 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 98 in Serial Cables | | Colour | 340-5V | | Date First Available | 30 Oct. 2025 | | Item Weight | 50 g | | Item model number | JK-YM-802A | | Manufacturer | Youmile | | Package Dimensions | 10 x 5 x 1 cm; 50 g | | Part number | JK-YM-802A | ## Product Details - **Brand:** Youmile - **Colour:** 340-5V - **Manufacturer:** Youmile - **Number of items:** 2 ## Images ![– 2 pcs USB to TTL Serial Cable for Android Mobile phone serial cable Type-C to UART 340 Chip OTG Cable 5V Compatible with tablets and computers,for STC/for STM32 - Image 1](https://m.media-amazon.com/images/I/51cyrdKnDXL.jpg) --- ## 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.kr/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile](https://www.desertcart.kr/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-25*