Water pump weight: 330GPump head: 8 metersPump voltage: 6V-12VPin Definitions:1, [12V cathode] Motor drive power, DC9V-12V can be used2, [power negative] DC12V power ground3, [emergency stop] brakes, low-level brake, high-level release4, [PWM speed] external PWM signal speed, the minimum frequency of 330HZ, 20-30KHZ recommended5, positive and negative】 【positive and negative control, high level" />
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