Do-it-Yourself DRO Kit
4-Axis with RPM (Unassembled)

Name: Do-it-Yourself DRO Kit
Brand: TouchDRO
Price: 149.0 USD
Availability: InStock

Powerful, easy to build DIY wireless DRO kit with up to four scale inputs. Supports RS-422 and single-ended TTL glass and magnetic DRO scales, and RPM input.

Product variants

$149.00 USD

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TouchDRO TDK-40 is an easy to build 4-axis DRO adapter kit that supports RS-422 (differential) and TTL (single-ended) glass and magnetic DRO scales and other 5V quadrature encoders. It uses the same powerful 32-bit architecture and differential input circuits as the TDA-4xx adapters and offers the same speed and performance. Learn more

Note that the kit requires soldering and mechanical assembly. If you are looking for a fully assembled unit, please see the Adapter for Glass and Magnetic Scales.

Features

Please see TouchDRO Adapter Feature Comparison for more information.

TDK-40T

TDK-40T supports up to four RS-422 or TTL scale inputs and is designed to work with most modern optical and magnetic DRO scales. With this kit you will receive

Partially assembled TDK-40 main board
ESP-32 DevKitC module preprogrammed with TouchDRO V3 Lite firmware
Custom 3D printed enclosure kit
A set of DB9/D-Sub 9 female connectors with mounting hardware
4x2 pin headers and pre-crimped jumper wires for connector wiring
4-pin Mini-DIN PCB mounted female connector
4-pin Mini-DIN male plug

TDK-40T Plus

The "Plus" version includes the following additional features:

Access to TouchDRO Plus application
Support for Mitutoyo SPC and BIN6 data protocol (adapters sold separately)

Supported DRO Scales

The adapters support DRO scales and rotary encoders that output 5V quadrature signal. This includes:

Majority of modern optical, magnetic, and inductive scales. Learn more
[Plus] Mitutoyo DigiMatic scales with SPC output - requires a SIC-5V-MIT-A input converter (sold separately)
[Plus] iGaging Absolute DRO Plus scales - requires a SIC-3V3-IG-A input converter (sold separately)

DRO experience

Although I haven't completed the build yet, I know I will enjoy it. Having trouble with scale pinouts although no fault of the Kit, it is annoying and preventing me from getting to use it.
I must say that this DRO is amazing in what it can do.
Thanks two much
Ray

Very good, get the plus option!

Very good, but be sure to get the plus option, as that is hardware bound.

Excellent Kit

Kit arrived quickly and was surprisingly easy to assemble following the instructions on the website. Everything fits together perfectly. I am using generic Chinese scales, that work fine with the adapter and it connects easily to the TouchDRO app on my Huawei Media pad. This is solution is so much better than dedicated DRO displays. Was originally going to use this DIY kit on my mini mill, but have been so impressed with it that have now purchased a ready built adapter to be able to use a touch probe on the mill and will be using the DIY kit on my lathe. Congratulations on an altogether excellent product.

Great little kit

Very solid kit. The fit and finish of the 3D printed part is great. Easy kit to solder and assemble.

Thing worked great!

Easy peasey all the parts were included. Just add scales and plug 'em in and BOOM you have a DRO!

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Do-it-Yourself DRO Kit 4-Axis with RPM (Unassembled)