USB Motor Speed Controller for BambuLab 3D Printed Standard Part: 5W CNC Voltage Regulation Digital Display Timing Setting Soft-Start Function Screen 3D Printer Accessories

Plug the connector of the USB Speed Controller into a power-sourrce or fan USB interface (Ensure that the power of power port is greater than the powerr required by the USB Speed Controller). Then connect the motor with the female port of the speed controller. The speed controller defaults to output on.
Turn the thumbwheel counter-clockwise to increase voltage. Turn clockwise to decrease voltage. Click the thumbwheell once to turn output ON/OFF. Double-click the thumbwheel to turn off the LED display. Press any button to wake up the digital display
Long press the thumbwhel for 3 seconds to enter the time setting interface. The "---" display represents timer OFF, and number displayed represents timer ON. In the setting interface, turn the thumbwheel to the left side to increase the timer. Turn it to the right to decrease the timer
In the setting interface, click the thumb-wheel once to switch timer function ON/OFF. Long press the thumbwheel for 3 seconds to exit the interfac