Description：
MAX485 chip on board, is a for the low power consumption, RS-485 communication slew rate limited transceiver
board 5.08 (mm) spacing of 2P terminal, convenient RS-485 communication terminal
all the pins have led chip, can be controlled by MCU operation
working voltage: 5V
the board size: 44 (mm) x14 (mm)
can be used to drive DMX lighting from arduino
can be used on a wide breadboard with a NANO ( nano and breadboard not included)