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

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

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.

Regular price $149.00 USD
Regular price Sale price $149.00 USD
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  • Free domestic shipping on orders over $200
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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)