# DSD TECH SH-U09C5 USB to TTL UART Converter Cable with FTDI Chip Support 5V 3.3V 2.5V 1.8V TTL (1.5 inch length) **Brand:** DSD TECH **SKU:** pxc4689 **ASIN:** B07WX2DSVB **Canonical URL:** https://crowcrowcrow.com/p/dsd-tech-sh-u09c5-usb-ttl-uart-converter-cable-ftdi-chip-support-3-3v-2-5v-1-8v/pxc4689 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹2,042 **Discount:** 28% **Customer rating:** 4.80/5 from 900 ratings ## Description DSD TECH SH-U09C5 USB to TTL UART converter cable with FTDI FT232RL chip. Supports 1.8V-5V TTL levels, ideal for programmers and engineers. Features protective case and LED indicators. Imported from USA, duties included, arrives via ExpressBox tracked delivery within 13-15 days. ## Highlights - Multi-Level TTL Support — Handles 5V, 3.3V, 2.5V, and 1.8V TTL levels, offering broad compatibility for diverse electronic projects and microcontrollers. Ideal for interfacing with various voltage-sensitive components. - FTDI FT232RL Chipset — Built with an original FTDI FT232RNL chip for industrial-grade performance and reliability. Ensures stable data transfer and broad compatibility across Windows, Linux, and macOS systems. - Protective Case & LEDs — Features a transparent protective case to prevent static interference and short circuits, enhancing durability. LED indicators for power, RXD, and TXD provide clear operational feedback. - Comprehensive Pin Access — Provides access to essential UART pins including TX, RX, RTS, CTS, VCC, GND, DSR, RI, DCD, DTR, and RESET, offering full control for complex debugging and development tasks. ## Key features - Support 4 kinds of TTL levels:This is a versatile USB to TTL converter. It is powerful enough to handle almost all TTL level communications. It is compatible with 5V, 3.3V, 2.5V, 1.8V TTL levels. - FTDI FT232RNL Chip:Built-in original FTDI FT232RNL Chip.Industrial grade, Compatible with Windows 7, 8, 10, 11, Linux, MacOS - Protective case:Comes with a protective case, this transparent protective case can effectively prevent static interference from the hand and prevent accidental short circuit - It provides access not only to UART TX,RX, RTS, CTS, VCC and GND pins,but also provides access to DSR,RI,DCD,DTR,RESET pins - What You Get: SH-U09C5 USB to UART Adatper, 6PIN Cable ## Why choose this product **Precision Engineering for Developers** — The DSD TECH SH-U09C5 leverages the renowned FTDI FT232RL chipset, a standard for reliable USB to TTL communication. This ensures consistent performance and broad operating system support, crucial for hardware development and debugging. Unlike generic adapters, it offers multiple TTL voltage levels (1.8V to 5V) and a protective case, minimizing risks of static discharge or short circuits. This focus on durability and precision makes it a trusted tool for programmers and engineers working on embedded systems, microcontrollers, and legacy hardware interfaces. **Ideal for Indian Tech Enthusiasts** — This adapter is perfect for Indian programmers, hardware engineers, and DIY enthusiasts working with microcontrollers like Arduino or Raspberry Pi, or interfacing with older industrial equipment. It supports a wide range of TTL levels, ensuring compatibility with diverse projects. While local adapters might offer basic functionality, this FTDI-based unit provides superior stability and driver support across Windows, Linux, and macOS. It's recommended for anyone needing reliable serial communication for development, debugging, or connecting to POS systems and lab instruments. Skip if you only need basic USB-to-serial for simple tasks and don't require multi-voltage TTL support or robust protection. ## How to use 1. Plug the USB end of the DSD TECH SH-U09C5 adapter into an available USB port on your Windows, macOS, or Linux computer. Install the FTDI drivers if prompted or download them from the FTDI website. — Connect to Computer 2. Identify the required TTL logic level (1.8V, 2.5V, 3.3V, or 5V) for your target device. Adjust the VCC output setting on the adapter accordingly to match your project's voltage requirements. — Configure TTL Voltage 3. Using the included 6-pin DuPont cable, connect the adapter's pins (TX, RX, VCC, GND, etc.) to the corresponding TTL UART pins on your microcontroller or serial device. Ensure correct polarity and pin mapping. — Wire to Target Device 4. Open your serial terminal software (e.g., PuTTY, Arduino Serial Monitor) and configure it to match the target device's baud rate and serial settings. Monitor the RXD and TXD LEDs for data activity. — Establish Communication ## Product details | Field | Value | |---|---| | Main Chip | FTDI FT232RL | | Supported TTL Levels | 1.8V, 2.5V, 3.3V, 5V | | Supported Logic Levels | 1.8V, 2.5V, 3.3V, 5V | | Maximum Speed | 3 Mbps | | USB Interface | 2.0 | | Supported Operating Systems | Windows XP/7/8/10/11, Ubuntu 11.10, macOS 10.3+ | | Pin Definitions | CTS, RTS, RXD, TXD, GND, VCC, DSR, RI, DCD, DTR, RESET | | Output VCC | 1.8V / 2.5V / 3.3V / 5V | | LED Indicators | PWM (Power), RXD (Data Transfer), TXD (Data Reception) | | Power Source | USB Powered | | Warranty | 1 Year Limited Warranty | | Included Accessories | 1 x FTDI FT232RL SH-U09C5 USB TTL adapter, 1 x user manual, 1 x 4-pin DuPont cable | | Brand | DSD TECH | | Model Number | SH-U09C5 | | Color | Multi-Coloured | | Material | Plastic | | Item Weight | 0.2 ounces (5.67 g) | | Item Dimensions | 1.5 x 0.4 x 0.15 inches (3.81 x 1.02 x 0.38 cm) | | Number of Items | 1 | | Number of Packs | 1 | | Number of Ports | 1 | | Connector Type | USB | | Connector Gender | Male-to-Male | | Connectivity Technology | USB | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### Will this DSD TECH USB to TTL adapter work on my Windows or Mac laptop? Yes, this adapter is designed for broad compatibility. It works with Windows (XP, 7, 8, 10, 11), Ubuntu (11.10, Kernel 3.0.0-19), and macOS (10.3 and above). Drivers are available directly from the FTDI website for seamless integration with your operating system. ### What is the difference between straight-through and null modem serial adapters? A straight-through serial adapter connects pins directly, typically for linking a device to a computer. A null modem adapter crosses the transmit and receive lines, allowing two devices to communicate directly. This DSD TECH adapter is primarily for USB to TTL communication, not direct device-to-device serial linking. ### How do I connect this USB to TTL converter to my project? Connect the USB end to your computer. Use the included 6-pin DuPont cable to connect the adapter's TX, RX, VCC, GND, and other specified pins to your target device's TTL UART interface. Ensure the VCC voltage (1.8V-5V) matches your device's requirements. ### What does the FTDI FT232RL chip offer? The FTDI FT232RL chip is an industrial-grade component known for its stability and reliability in USB to TTL communication. It ensures efficient data transfer up to 3 Mbps and broad operating system compatibility, making it a preferred choice for developers and engineers. ### Can I use this adapter for 1.8V or 2.5V TTL devices? Yes, this adapter uniquely supports 1.8V and 2.5V TTL logic levels in addition to the standard 3.3V and 5V. This versatility is crucial for working with a wider range of microcontrollers and embedded systems that operate at lower voltages. ### What is the purpose of the LED indicators on the adapter? The adapter features LED indicators for power (PWM), data transfer (RXD), and data reception (TXD). These lights provide visual feedback on the adapter's status and data flow, helping you monitor communication and troubleshoot connections effectively. ### How does the protective case benefit the adapter? The included transparent protective case shields the adapter from static interference and accidental short circuits. This enhances its durability and reliability, especially important when working with sensitive electronic components or in environments prone to electrostatic discharge. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B07WX2DSVB-0.webp 2. https://images.crowcrowcrow.com/B07WX2DSVB-3.webp 3. https://images.crowcrowcrow.com/B07WX2DSVB-6.webp 4. https://images.crowcrowcrow.com/B07WX2DSVB-9.webp 5. https://images.crowcrowcrow.com/B07WX2DSVB-12.webp 6. https://images.crowcrowcrow.com/B07WX2DSVB-15.webp --- Source: https://crowcrowcrow.com/p/dsd-tech-sh-u09c5-usb-ttl-uart-converter-cable-ftdi-chip-support-3-3v-2-5v-1-8v/pxc4689 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-15 days. Prices are all-inclusive (duties + GST).