MAX485 TTL to RS-485 Module relay shield and cold-chain logging

and cold-chain logging

such as access control

75mm – Black Material ABS (Acrylonitrile Butadiene Styrene) Diameter 1

internal power supply of two types: AC100 ~ 265V / DC5V switching power supply

MAX485 TTL to RS-485 Module relay shield and cold-chain loggingThe MAX485 TTL to RS 485 Interface Module allows MCUs to use the RS 485 differential signaling for robust long distance serial communications. KEY FEATURES OF MAX485 TTL TO RS 485 INTERFACE MODULE: Use MAX485 Interface chip Uses differential signaling for noise immunity Distances up to 1200 meters Speeds up to 2. 5Mbit Sec Multi drop supports up to 32 devices on the same bus Red power LED 5V operation RS 485 provides for robust serial communications