Sell 6V 12V 24V 28V 3A PWM DC Motor Speed Variable Controller ule Switch Regulator & 3D Printer Kit with Mega 2560 Board best price

set2: 1 x RAMPS 1.4 Controller + 1 x DC Motor Speed Controller Input supply voltage: 6V-28VDC DC Motor Speed Controller Item size: 1.3 x 2 x 0.4 inches Duty Cycle adjustable: 0%-100%,without switch. The maximum output power: 80W The maximum continuous output current :3A colour: red/Black Material: plastic/metal + pc Operating instruction: Before you attempting to wire the controller, make sure power is off. WARNING: DO NOT REVERSE POSTIVE AND NEGATIVE POWER LOADS.THIS WILL DAMAGE THE CONTROLLER. TO CHANGE MOTOR DIRECTION, INTERCHANGE THE POSITIVE AND NEGATIVE WIRES OF MOTOR. 1. Connect wires refer to the "wiring diagram" . 2. Turn on the power, and adjust the potentiometer. 3. The LED indicates the power up and the speed of motor. size: 20 x 20 x 10cm Package Contents: 1 x RAMPS 1.4 Controller 1 x Mega2560 CH340 Board 1 x RAMPS LCD 12864 6 x Endstop Mechanical Limit Switch With Cable 5 x A4988 Stepper Motor Driver 5 x Heatsink 1 x USB Cable 1 x Ltype adapter plate 2 x FC cable 1 x DC Motor Speed ControllerOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.