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RS485 5V 12V 3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board

USD 3.32USD 8.30

RS485 5V 12V 3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board

Description
Specification
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