RAMPS-FD Shield for DUE Board When you use Arduino Due as the controller of your 3D Printer, you may find the RAMPS1.4 is not compatible with DUE.As you know the Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3, the importance is the Atmel SAM3X8E chip used on the Due operates at 3.3V,worse applying 5V to the Due’s inputs will likely damage the chip.
The mechanical endstop uses a lever switch to detect when it is activated. The switch is wired up so that when activated, it pulls the signal to LOW. There is also an LED on the board that will light up when the switch is activated.It uses a standard 4 pin .100″” pitch header and accepts a standard, old-style CD-ROM audio connector cable. Brand new and high quality. The endstop is a reliable endstop / switch solution for any type of 3D printers and other CNC and/ or 3D tools.
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