BOB_PASS $15.00

All signals go between both DB25 connectors (Male-Female)
Signals 1, 10, 11, 12, 13, 14, 15, 16, 17 as well as GND (18-25) are brought out the the screw terminal.

Signals 1, 14, 16 and 17 are generally outputs from the source, while
Signals 10, 11, 12, 13 and 15 are inputs. An example:
Outputs
1 - System Enable
14 - Spindle ON/OFF
15 - Spindle FWD/REV
17 - Coolant Pump ON/OFF
Inputs
10 - STOP input
11 - X axis Home Switch
12 - Y axis Home Switch
13 - Z axis Home Switch
15 - A axis Home Switch

This board allows easy access to the I/O. The BOB_PASS board will plug directly in to the BareBonesCNC board. Jack Screws can be removed and 4-40 screws will hold metal shell on for this configuration, or plug in a DB25 cable directly.