opentags

opentag U1

Bring localization to your robot.

opentag U1 is our UWB development platform for distance and indoor position. Start with a kit, calibrate your setup, and bring measurements into your robot through USB and ROS 2.

Preliminary static distance results are published. Full positioning and motion validation remain in progress.

Buy a kit See performance
Two opentag U1 devices
opentag U1
USB-C power + data ROS 2 driver included 6–24 V robot power CAN FD onboard

How it works · illustrative diagrams

Distance or location.

Distance Two tags measure the distance between them.
A B
Location Four fixed anchors locate one mobile tag.
A1 A2 A3 A4 T

Products

Choose your starting point.

Five-tag Location Kit
Location

U1 Location Kit

Position inside a space.

$499

Four anchors and one mobile tag for 2D or 3D positioning development. Anchor survey and calibration required; position benchmarking is still in progress.

Free U.S. shipping

Buy U1 Location Kit · $499

Hardware

Built to integrate.

UWB
Qorvo DWM3000
Processor
STM32G4, 170 MHz Cortex-M4F
Host
USB-C serial and DFU
Robot bus
CAN and CAN FD hardware; range bench image available, physical-bus validation pending
Power
USB-C or 6–24 V input
Debug
10-pin Cortex SWD
Firmware
Embassy / Rust
Software
ROS 2 driver and documented serial protocol

Mechanical

Ready for your robot.

PETG enclosure, clear acrylic lid, M3 board mounting, and access to USB-C, power, CAN, and debug connections. The enclosure footprint is approximately 186 × 132 mm from the released case CAD.

Drag to rotate · scroll to zoom

STEPAssemblyComplete mechanical reference STEPCasePrintable enclosure body STEPLidClear lid geometry
Open the mechanical project in Onshape →

Resources

From setup to integration.

Distance quickstartFlash two tags, connect, calibrate, and read your first measurement. Location quickstartSurvey anchors and configure the position system for your workspace. Measured performanceHistorical distance results, test conditions, and current validation status. CalibrationMeasure a known distance and adjust the setup before collecting data. Hardware referenceArchitecture, connectors, power, CAN, USB, and mechanical references. Serial protocolStable messages for distance, position, status, and configuration. ROS 2 driverLaunch files, topics, parameters, diagnostics, and installation. Source repositoryWebsite source and public documentation.

Mechanical CAD, host tools, and ROS 2 source are available today. Current schematics and PCB files are not yet published; firmware source access is available by request.