Shop DRO systems

Wireless digital readouts for manual mills, lathes, and other machine tools.

TouchDRO TDA-420 wireless DRO adapter for milling machines, shown with an Android tablet displaying the 4-axis position readout

DRO for Milling Machines

★★★★★ 5.0· 26 reviews

A 4-axis DRO interface box for manual mills, with RPM and touch probe inputs plus quill/knee readout summing. Reads modern and legacy optical, magnetic, and capacitive scales, and sends position data to the TouchDRO Android app.

$299.00 USD
$299.00 USD
TouchDRO TDA-410 wireless DRO adapter for metal lathes, shown with an Android tablet displaying the 2-axis position and RPM readout

DRO for Metal Lathes

★★★★★ 4.6· 8 reviews

A 4-axis DRO interface box with RPM input for connecting modern and legacy glass or magnetic scales to the TouchDRO app on an Android tablet. Designed for manual metal lathes with carriage, cross-slide, tailstock or compound readout, and spindle RPM.

$259.00 USD
$259.00 USD
4 Axis Do-it-Yourself DRO

4 Axis Do-it-Yourself DRO

★★★★★ 4.9· 18 reviews

Powerful, easy-to-build 4-axis DIY wireless DRO adapter (encoder interface box) kit (TouchDRO TDK-40) with tachometer input for upgrading milling machines and metal lathes. Compatible with most DRO scales, including glass, magnetic, iGaging, and Mitutoyo SPC. Includes TouchDRO Plus firmware.

From $99.00 USD
From $99.00 USD
TouchDRO adapter box mounted to the side of a Bridgeport mill's ram, with scale cables routed to the machine's axes

Designed, programmed & tested in Oregon

We program, test, and inspect every unit before shipping it to you. We stand behind our product. If you have questions or run into a problem, the same people who designed and built your DRO will help you resolve them — by phone or email.

Questions before you buy?

Call or text us: (971) 405-3186

Mon–Fri 9–6 PT · text is fastest · voicemail gets a real reply

Adapter Cables

Converter for iGaging DRO Scales

Converter for iGaging DRO Scales

Signal level converter for using iGaging Absolute DRO Plus and EZ-View DRO Plus scales as a quill scale with a TouchDRO TDA-410/420 adapter or DIY kit.

$49.00 USD
$49.00 USD
Converter for Mitutoyo SPC Scales

Converter for Mitutoyo SPC Scales

Signal level converter for connecting Mitutoyo Digimatic scales a TouchDRO TDA-400 or TDA-420 scale interface adapter.

$49.00 USD
$49.00 USD
Anilam Wizard 6-Pin to TouchDRO Scale Adapter Cable

Anilam Wizard 6-Pin to TouchDRO Scale Adapter Cable

Adapter cable for connecting Anilam Wizard DRO scales with 6-pin Bendix/Amphenol connector to a TouchDRO TDA-410/420 adapter or DIY kit.

From $59.00 USD
From $59.00 USD
Sargon DRO Scale Adapter for TouchDRO

Sargon DRO Scale Adapter for TouchDRO

Adapter cable for connecting Sargon DRO scales with DB-25 connector to a TouchDRO TDA-410/420 adapter or DIY kit.

From $39.00 USD
From $39.00 USD

Accessories

ESP32 Module for DIY DRO Kit (TDK-40)

ESP32 Module for DIY DRO Kit (TDK-40)
Pre-programmed ESP32 Controller

Pre-programmed ESP32 DevKitC controller module for the TouchDRO TDK-40 DIY DRO kit and custom 4-axis digital readout adapters.

$59.00 USD
$59.00 USD
Pin Mapping Board

Pin Mapping Board

Pin input mapping board can be used to re-configure TDA-400 or TDA-420 for use with different DRO scales.

From $6.00 USD
From $6.00 USD
TouchDRO V3 Firmware

TouchDRO V3 Firmware
Upgrade for V2 DRO Adapters

This is TouchDRO V3 Plus firmware upgrade for second generation of TouchDRO Adapter for Glass and Magnetic Scales.

$79.00 USD
$79.00 USD
Main Board for DIY DRO Kit

Main Board for DIY DRO Kit
4-Axis Interface for RS-422/TTL Glass and Magnetic Scales

TDK-40 main board for the TouchDRO DIY DRO kit or custom DIY DRO projects. Assembled, tested, ready for your ESP32 module and wiring.

$49.00 USD
$49.00 USD