--- 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: "€ 28.21" currency: EUR in_stock: true category: "Youmile" url: https://www.desertcart.at/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile store_origin: AT region: Austria --- # High-speed Type-C interface Supports 12+ baud rates up to 921600 Dual 5V & 3.3V power output 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:** € 28.21 **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?** € 28.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/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:** Integrated 5V and 3.3V outputs power external MCUs and devices without extra adapters—up to 500mA. - • **Plug & Debug Instantly:** Seamlessly connect Android phones, tablets, and PCs with USB Type-C OTG for real-time serial port debugging. - • **Pro-Grade Build Quality:** Durable, high-stability materials ensure long-lasting performance in demanding lab and field environments. - • **Dual Cable Pack Advantage:** Two cables included for bridging or simultaneous multi-device debugging—double your productivity. - • **Versatile Baud Rate Support:** From 300 to blazing 921600 baud, tailor your data flow for any development or testing scenario. ## Overview This 2-pack USB Type-C to TTL serial cables feature the robust 340 UART chip, supporting a wide range of baud rates up to 921600 for ultra-fast data communication. Designed for Android OTG-compatible devices, tablets, and PCs, they provide stable 5V and 3.3V power outputs to drive external microcontrollers like STC and STM32. Built with premium materials for durability, these cables are perfect for developers and engineers seeking reliable, high-performance serial debugging 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 | | Best Sellers Rank | 95,415 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 249 in Serial Cables | | Brand | Youmile | | Brand Name | Youmile | | Colour | 340-5V | | Compatible Devices | Cellular Phones, PC, Tablet | | Compatible devices | Cellular Phones, PC, Tablet | | Connector Type | USB Type C | | Connector type | USB Type C | | Country of Origin | China | | Current Rating | 500 Milliamps | | Input Voltage | 5 Volts (DC) | | Input voltage | 5 Volts (DC) | | Manufacturer | Youmile | | Manufacturer Part Number | JK-YM-802A | | Model Number | JK-YM-802A | | Number of Items | 2 | | Smart Home Compatibility | Not Smart Home Compatible | | Specific Uses For Product | PC | | Specific uses for product | PC | | Unit Count | 2.0 count | ## 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) ![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 2](https://m.media-amazon.com/images/I/610fxA-O1iL.jpg) ![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 3](https://m.media-amazon.com/images/I/51QJhnueIzL.jpg) ![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 4](https://m.media-amazon.com/images/I/61THwM0ZAdL.jpg) ![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 5](https://m.media-amazon.com/images/I/61jQfO4xDnL.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.at/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile](https://www.desertcart.at/products/805908203-2-pcs-usb-to-ttl-serial-cable-for-android-mobile) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-23*