MAX485 RS-485 to TTL Converter Module (UART Serial Transceiver Board)

The MAX485 RS-485 to TTL Converter Module is a compact serial communication interface designed to connect TTL UART devices with RS-485 differential bus networks. Based on the MAX485 transceiver IC, it converts standard TTL serial signals into RS-485 differential signals and vice versa, enabling reliable long-distance communication with excellent noise immunity. Supporting half-duplex communication, this module is ideal for industrial automation, sensor networks, Modbus communication, and embedded systems using Arduino, ESP32, STM32, Raspberry Pi, PIC, AVR, and other microcontrollers.

Key Features -

• Based on the MAX485 RS-485 transceiver IC

• Converts TTL UART signals to RS-485 differential signals

• Supports half-duplex RS-485 communication

• High noise immunity for industrial environments

• Suitable for long-distance serial communication

• Low power consumption design

• Screw terminals and header pins for easy wiring

• Compatible with Arduino, ESP32, STM32, Raspberry Pi, PIC, and AVR

• Supports multi-node RS-485 networks

• Compact breakout module for embedded applications

Specifications -

• Product type - RS-485 to TTL Converter Module

• Main IC / Chipset - MAX485

• Operating voltage - 5V DC (Typical)

• Communication interface - RS-485 Differential and TTL UART

• Interface format - Half-Duplex

• Data rate - Supports Standard RS-485 Communication Speeds

• Direction control - DE/RE Control (Automatic or Manual, Model Dependent)

• Package / Mounting type - PCB Breakout Module

Applications -

• Industrial automation systems

• Modbus RTU communication networks

• PLC and industrial controller interfacing

• Long-distance UART communication

• Sensor and data acquisition networks

• Smart energy meter communication

• Building automation systems

• Arduino and embedded serial communication projects