20X 3Ch RS485 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator Modbus RTU for LED dimming Motor speed

20X 3Ch RS485 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator Modbus RTU for LED dimming Motor speed
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sku: 1005006195277272
$61.09
Shipping from: China
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