Arduino mega 3d printer ramps board pinout drivers#

Read more about stepper motors and how they are used in 3D Printers here: A closer look at Stepper Drivers Its important to work out these pairs as failing to correctly connect your motor can damage the drivers very quickly. Test against any combination of two wires until you get a beep or a resistance value similar to that of the data sheet for your motor – Hooray that’s one pair! Test the other two as well but you can also assume they are the other pair.

If you don’t know what your pairs are on the motor your using, grab a multi-meter and set it to continuity or a low resistance setting. The 3Dtek.xyz supplied motors use Black / Green as one pair and Blue / Red as the other. The most important part of using a stepper is finding out which are the two pairs in those 4 wires. If this interests you Google about micro stepping and its pros/cons. Most steppers (we use) have 200 steps per revolution – that is to say there is 200 detents or positions that the motor can with some accuracy move to or stop/hold at per revolution. However the depth of the motor is dependent on the Ounce inch holding torque rating and manufacturing. The NEMA 17 is a dimensional standard, so if you have one NEMA 17 motor it will usually bolt in place of another. 2m of wire (rather than the usual 15cm) so you don’t have to extend them. Those supplied by 3DTek.xyz also have approx.

The image below shows a fairly typical (yet maybe more powerful than usual for a 3d printer) NEMA17 stepper motor.ģDTek.xyz use a larger 1.7A, 62 Ounce Inch stepper as the Ordbot is much more rigid than most and can handle having the carriages thrown around at break neck speed. Reprap LCD Controller and associated paraphernalia.Starting from the basics, lets identify the electronics you will be configuring.