Wiring Diagram Ramps 1.4. The price marked is for the assembled ramps 14 board only stepper driver is not included. Each part should be set and linked to other parts in specific manner.
Ramps14 can run at 24v but long time large current working may cause overheat burn to fix it you can change the mosfet. The price marked is for the assembled ramps 14 board only stepper driver is not included. This diagram may help you out.
It can control up.
On the image the left pin is so make sure the red wire from the fan connects to that one. Getting to know ramps 14 ramps 14 is probably the most widely used electronics for reprap machines as of march 2014. This diagram may help you out. Reserved gci like i2c and rs232 3 mosfet 3 mosfet are applied to the heater fan and thermistor circuit.