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  • $15.59
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  • Ships from China.
    Sold by NovaStar Tech

    Shipped by NovaStar Tech

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    5Pcs TTL to RS485 Converter Module, RS485 to UART Serial Communication Module

    • TTL to RS485 Converter Module: This module converts microcontroller TTL UART signals to RS485 differential communication signals, making it suitable for Arduino, STM32, industrial control, data acquisition, and serial bus communication projects.; Automatic Data Flow Control: Built with automatic transmit and receive control, the module does not require separate direction-control wiring for send/receive switching. It can be used much like a standard serial port, simplifying programming and wiring.; 3.3V and 5V Compatible Design: Compatible with both 3.3V and 5.0V power supplies and communication signals, this RS485-to-serial UART module works with a wide range of microcontrollers, development boards, and embedded systems.; Anti-Interference and Protection Features: Designed with RS485 bus anti-interference measures, enhanced lightning protection layout, extensive copper plating, and a ground terminal for outdoor long-distance transmission, helping improve communication reliability in industrial or harsh environments.; Long-Distance Multi-Device RS485 Bus: Supports baud rates from 110 to 256,000 bps, communication distances up to approximately 1 km, and multi-device RS485 bus applications with up to 128 connected devices. Onboard RXD and TXD LEDs provide convenient signal status monitoring.
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    This TTL-to-RS485 converter module is designed for converting microcontroller UART TTL serial signals into RS485 differential bus signals. It is suitable for MCU communication, embedded development, industrial control systems, long-distance data transmission, sensor networks, Modbus RTU projects, and multi-device RS485 bus applications.
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    Specifications

    Product Name: TTL-to-RS485
    Converter Module Module Type: UART to RS485 serial communication module
    Flow Control: Automatic data flow control
    Operating Voltage: Compatible with 3.3V and 5.0V
    Supported Baud Rate: 110256000 bps
    Operating Temperature: -40°C to +85°C
    Bus Type: RS485 half-duplex communication
    Termination Resistor: Built-in 120 matching resistor, enabled by shorting
    R0 Supported Bus Nodes: Up to 128 devices on the bus
    Pin Pitch: 2.54 mm
    Board Thickness: Approx.
    0.8 mm Indicator LEDs: RXD and TXD signal indicators
    Application: MCU communication, industrial control, Modbus RTU, long-distance serial communication, sensor networks

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