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NanoPi R4S NRF51822 Module Model 1203B PWM DC Module Model 1203B PWM DC Motor Speed Controller Input Voltage Range DC 6V 28V Maximum Output Current 3A (continuous) PWM Frequency ~20 kHz (inaudible range) Duty Cycle Range 0% 100% (full speed range) Speed Adjustment Onboard potentiometer knob (stepless) Control Method Pulse Width Modulation (PWM) Efficiency High (minimal heat generation) Board Dimensions Approx Get the best price on Aluminium Heat Block for E3D V6 J head 3D Printer with fast 1 5 day shipping from our Bengaluru warehouse
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