RS485 5V 12V 3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board
USD 2.55USD 6.89
RS485 5V 12V 3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board