Ebyte E810-DTU - 2.3 Connection Method

Chengdu Ebyte Electronic Technology Co,.Ltd E810-DTU User Manual
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2.3 Connection method
2.3.1 RS232 connection
2.3.2 RS485 connection
In RS485 communication, it should be noted that A and B are matched first. If it is abnormal, 120R resistors should
be added between A and B lines.