DollaTek TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

Single chip microcomputer ,TTL turn RS485 module, 485 turn UART serial port, Level transfers, Hardware automatic flow control Only one in the whole network, 3.3V and 5.0V power supply, RS485 signal perfectly compatible with automatic flow control module. Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. Has RXD, TXD signal indicator light, monitor send and receive status Using the standard 2.54 pitch design, easy secondary development.