Rs485 5v 12v 3ch 1hz-20khz duty cycle frequenz einstellbar pwm quadratische welle impuls generator uart rs232 rs485 bus modbus rtu board
USD 2.91USD 7.67
Rs485 5v 12v 3ch 1hz-20khz duty cycle frequenz einstellbar pwm quadratische welle impuls generator uart rs232 rs485 bus modbus rtu board