Rick's Web Site: Shumatech DRO
Unofficial Shumatech Digital Read-Out Support
Shumatech DRO Jitter Conclusions, Version 2.
Shumatech DRO Scale Power Noise Injection, version 2. Note: the procedure described in this article has proven to work very well.
Repeatability and Accuracy of the Harbor Freight® Caliper; version 3.
Jitter Bug - Watching your Shumatech DRO display dance (and how to stop it) version 5.
Electrical Noise and the Chinese Scale/Shumatech DRO Interface.
Tune In for Better Electronic Edge Finder Accuracy.
Precision Z-axis Milling on a RF30 Mill./Drill
Precision Z-axis Milling on a RF30 Mill./Drill (in pdf)
Chasing accuracy on a RF30 mill/drill with Shumatech DRO.
Using a Harbor Freight Caliper to repair a DRO scale
Shumatech DRO Electronic Edge Finder Interface Circuit
One Way to Mount a Scale on a Mill
The Unauthorized ShumaTech DRO-350 (Mill) User's Guide, Version 4
Unofficial DPU-550 Hardware Installation Notes, Version 2.1
Unofficial Software Installation on the Shumatech DRO-550 Guide, Version 2.0
Unofficial Shumatech DRO-550 User's Guide for Software Release 1, Version 2.0
Unofficial Shumatech DRO-550 Application Notes for the Mill, Version 2.0
An Improved Infrared Tachometer Sensor
A Possible ShumaTech® 350 with 550 Daughterboard Power Up Fix