SPECIFICATIONS

One-way: That is, the communication can only be transmitted or received. But can switch direction by EN feet
Two-way: that is, there is no need to switch the communication direction manually, it is fully automatic to send and receive, and the direction cannot be switched through EN foot, otherwise the computer will be burned out.

Onboard 485 chip, the 1 low-power, slew-rate-limited transceiver for RS-485 communications
With TTL level to 485 signal function, or 485 to TTL signal. mutual rotation
Can be single-chip serial port, other TTL serial port signal into RS485 signal, in order to achieve networking or long-distance communication
Onboard connection 2.54mm pitch wiring pin
With serial port pin and direction control pin
Operating voltage: 3.0-3.6V (low power consumption type)(MAX485 power supply 5V)

Plate function:
This module can be used when the serial port is not enough. Combined with this module, multiple single-chip serial ports can be formed into a network, that is, serial ports can communicate in parallel and send and receive data according to different addresses. At the same time, the communication distance is greatly improved. In RS485 protocol, the maximum communication distance can reach 1000 meters according to the different wires. Therefore, after serial TTL level is converted to RS485 communication, most application requirements can be met in network and distance.