Lindsay,
For most basic machines, we recommend our C11G – Multifunction CNC Board:
http://www.cnc4pc.com/Store/osc/product_info.php?cPath=33&products_id=46.
It will give the following features:
- It will buffer all the signals and provide solid +5vdc@24mA TTL signals.
- LEDs that show the status of all I/Os at all times.
- Built in Safety Charge Pump (a must if planning on wiring relays to start/stop stuff).
- Built in optoisolated analog output for spindle speed control.
- Has to built in relays, which could be used for spindle on/off, cw/ccw, or coolant pump or dust collector.
- Terminal to enable/disable your system at hardware level. We recommend wiring e-stop in parallel with this terminal, so when you press stop all functions will stop, and not having to wait for the control software to take the action and disable the system.
For more options, please check our website:
http://www.cnc4pc.com Arturo Duncan
http://cnc4pc.com