Feature request: OBD2 data logging + export (SQLite/CSV)
Submitted by João Bandeira • #192 • Jul 2, 2026 • updated Jul 3, 2026
Hi DMD team, I'm a DMD2 and DMD Hub annual license customer, using DMD2 with a Bluetooth OBD2 dongle on my motorcycle, mainly for off-road/rally sessions of 4-7h.
The real-time OBD widgets on the home dashboard are great, but I'd love to be able to log the values over time for post-ride analysis (engine mapping optimization with my ECU tuner).
Core suggested feature:
- an optional background logging service that records the active OBD widget values (or a user-selected list of PIDs) at a configurable interval (e.g. 1-5 Hz),
with local storage in SQLite (or any format) independent of whether the OBD screen is currently displayed, start/stop control ideally tied to trip start/stop like the existing GPX recorder, and export to CSV at the end of a session (same logic as your GPX export) including timestamp and all logged PID values.
It would also be great to have the option to log GPS position, speed, and altitude alongside OBD data for later correlation with the roadbook/track, which is very valuable for spotting throttle/mixture behavior on climbs vs. flat sections.
Since I'm already a DMD Hub subscriber, a few further ideas:
- support for uploading logged sessions to DMD Hub to explore the data afterward and share a session link with an ECU tuner or other DMD community members;
- support for the device's built-in accelerometer/IMU as a low-effort addition, logging chassis vibration/impact data alongside OBD/GPS as a useful proxy for terrain roughness without needing dedicated suspension sensor hardware;
- support for Garmin data integration, crossing rider biometrics like heart rate with GPX/GPS location and OBD data for a full picture of rider, machine, and terrain during an event.
Even just the core logging and export would already be a huge step forward. The rest are longer-term ideas if you're open to expanding DMD2/DMD Hub's scope beyond navigation into full ride telemetry.
Thanks for the great app and platform!
Ps : DMD2-next is booooomboclaaaaat ✊🏽🔥
Best
Yannick
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