1.On-board MAX485 chip, A low power consumption for the RS-485 communication, slew-rate limited transceiver.
2. On board then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring.
3.All pins of chip have been lead to can be controlled through the microcontroller.
4. Working voltage: 5V.
5. Board size: 44 (mm) x14 (mm).