DC 12V small mini brushless water pump submersible impeller centrifugal pump large flow support PWM speed regulation

PumpsSpecification:1. The voltage should not exceed DC15V, it is best to use DC12V2. The power supply current should be greater than 3A. Too small a power supply will affect the use of the water pump.3. Please add a filter at the water inlet to prevent debris from entering the water pump, which may also damage the water pump.4. This water pump should be a high temperature resistant water pump that can pump hot water. However, if it is used as a feasible water pump, the external water temperature should not exceed 50 degrees and it cannot be directly introduced into boiling water.5. The water pump cannot be self-deprecating. Before pumping water, you should pay attention to emptying the air. Completely emptying the air will also affect the power.The lead wire of the brushless water pump is a Teflon high temperature resistant wire, the lead wire is of good quality and is 4P. The driver board has reverse connection protection. The positive and negative poles are connected to the water pump but it does not work, and the driver board will not burn. The driver board also has an output signal FG line (yellow line) and a speed control line blue line (5V PWM signal). The wiring method is as follows:Red wire: connected to the positive pole of the power supply (12V)Black wire: connects the negative pole of the power supply and the negative pole of the PWM signal (GND)Yellow line: output signal FG line (just leave it hanging)Blue line: 5V PWM signal (or 5V voltage)If you only need simple operation, connect the red wire to 12V, the blue wire to the red wire through a 10K resistor, and the black wire to the negative pole. The water pump runs at the highest speed. In this way, only one set of power supply can be used normally, which is very conservative.If you need PWM signal speed regulation, input 5V PWM signal on the blue line. Please note that the voltage of PWM signal is about 5V, because if the voltage exceeds

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