Estlcam Mega Breakout Controller

• Cheap (<20€) and Easy to build ESTLCam controller based on Arduino Mega
• DC-isolation (incl separate ground) between PC/USB and Inputs/Spindle Control → prevents most of the USB problems with inverter spindles.
• 3 Axis Screw Terminals for Stepper Drivers
• Spindle Relais and 0-10V PWM output
• 3 additional Outputs via Screw Terminals
• 5 opto-isolated Inputs via Screw Terminals
• 4 additional Outputs on Header
• 6 additional Inputs on Header
• 12 pin header for Pendant / Handwheel

• PCB ~ 2€
• Arduino Mega Pro 7€
• China 5 Axis Mach3 Board 6€
• DB25 Female PCB connector 2.5€

Total: ~18€

• 4-Axis Joystick 11€
• Potentiometer 3€
• Push Button with LED black 12mm 1€ pcs
• 12pin ribbon cable ~1€
• HDMI Female Breakout 1.5€
• HDMI Cable 3m RED ;-) 3€

Total: ~22€

BTW, this is what the prototype looked like - works still fine as well.