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

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: 1005004086415376
$4.98
Shipping from: China
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