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May 15, 2026Open Access

Open-source ITS Remote-HMI Client for Smart Tachograph V2 in a Web Browser

Key Points

To develop and publish a browser-side implementation of the ITS Remote Human-Machine Interface client for Smart Tachograph version 2.
Utilized the Web Bluetooth API on Chrome for Android and Desktop to establish a BLE connection with the Continental DTCO 1381.
Performed LE Secure Numeric-Comparison pairing and drove the u-blox Low-Energy Serial-Port Service flow-control protocol.
Exchanged ISO 14229-1 (UDS) frames and completed the PairRHMIclient / OpenRHMIsession handshake.
Successfully queried the routine GetActiveVUWarningsOverview.
Published the source code under the GNU Affero General Public License v3.0-or-later.

Abstract

We describe and openly publish the first known browser-side implementation of the ITS Remote Human-Machine Interface (RHMI) client for European Smart Tachograph version 2 (Gen2 v2), conforming to EU Regulation 165/2014, EU 2016/799 Annex 1C Appendix 14 and the JRC specification "VU, Remote HMI specification & Transport protocol for ITS, version 1.0". Using only the Web Bluetooth API on Chrome Android/Desktop, we successfully establish a bonded BLE connection to a Continental DTCO 1381 unit, perform the LE Secure Numeric-Comparison pairing, drive the u-blox Low-Energy Serial-Port Service flow-control protocol, exchange ISO 14229-1 (UDS) frames, complete the PairRHMIclient / OpenRHMIsession handshake and successfully query the routine GetActiveVUWarningsOverview. The full source code is released under the GNU Affero General Public License v3.0-or-later.

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Yannick Cerutti (Wed,) studied this question.

synapsesocial.com/papers/6a06b95be7dec685947ac075 https://doi.org/https://doi.org/10.5281/zenodo.20163433

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