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TouchDRO TDK-40 is a powerful, easy-to-build 4-axis DIY DRO adapter kit that supports RS-422 (differential) and TTL (single-ended) glass and magnetic scales, as well as other 5V quadrature encoders. It features the same high-performance 32-bit architecture and differential input circuitry as the TDA-4xx series, offering comparable speed and functionality. Learn more
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-40 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
- 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)