Features: This ttls to RS485 converter module enables seamless 5V/3.3V to RS485 signals conversion with automatic direction control, supporting hot swap capability for uninterrupted industrial communication systems. Featuring multidevice networking compatibility, and extended -40°C to 85°C operational ranges, this compact PCB module ensures reliability data transmission in challenging environment. Ideal for embedded systems developers, automation engineers, and solution providers requiring stable serials communication interfaces for industrial control applications. Perfect for factory automation setups, building management systems, and remote sensors networks where RS485 protocols dominates long distance multi device communication. Its plug and play design with standard pinouts simplifies integration for Raspberry, while maintaining low standby power consumption for energy sensitive deployments. Specifications: Component:Plastic Size:Approx.53x21.7mm/2.08x0.85inch Suggested module voltages: 5V signals Control Voltages: 3.3 V and 5V Applicable scenario:Industrial automation; Option Type:1pc,3pcs; Package Includes: Package A 1pc RS485 to ttls Module Package B 3pc RS485 to ttls Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.