Item Type: 3D Printer Heating Controller <br>Material: PCB, aluminium heat sink.<br>1、Smart Control: Can control the hearing of 3D printer extruder, hotbed, print head, etc. through 5?24V digital signal. <br>2、Reliable Work: The MOSFET ensures excellent working performance, meanwhile the firm connection promise stable output. <br>3、Good Matching: Able to proceed control by using the heated bed output signal of Ramp1.4 and series, quick and reliable. <br>4、Better Design: Equipped with large heat sink, the 3D printer heating controller enables a maximum current up to 30A. <br>5、Easy to Install: Comes with a light weight and a compact size as well, the simple installation can be quickly finished.1. When connecting the power supply, pay attention to the positive and negative poles. <br>2. When connecting the heated bed to the heating wire, pay attention to the positive and negative poles.&nbsp;1 x <br> <br>3D Printer Heating Controller