31 Jul 3 Ch RS485 PWM Square Wave Pulse signal Generator UART RS232 RS485 Bus Modbus
Packname: 3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board 1 pcs 3 Ch RS485 PWM Square Wave Pulse signal Generator(Please choose the version you need) Features 1 Working voltage: 5V (5V version), 8-24V (12V version);...