How to Build a Power Supply

Introduction to CNC Routers


Breakout Board Plus

Combo Board

Stepper Motors

Parallel Port Relay

Plasma Torch Height Control

MP2 CNC mini Pendant


Breakout Board Mach2 & Mach3 Files

Combo Board Mach Files

Technical Terms

Company Info

About Us

Contact Us

Payment Info


© 2005 Bob Campbell Designs
Design by Digital Platinum

Parallel Port Relay Board
for the Breakout Board Plus and Mach2

This a picture of the relay board which attaches to the Breakout Board Plus (for Mach2)

The relay board contains four relays which are in parallel to the four outputs on the breakout board.

The ratings marked on the relays are: 16 amps at 120 VAC, 8 amps at 230 VAC and 10 amps at 30 VDC

NOTE:  The screw terminals are rated at 10 amps.

The price of each relay board is $45.00 plus $8.50 for shipping.

To purchase on Paypal click on the Paypal icon below.


"Creative people inspire the rest"

© 2005 Bob Campbell Designs
Last updated on 5/5/05