[samfisher83]

You could just used a cheap cell phone and the speedometer app. It would have been a cheaper option.

[gleslie]

Yep. I already had the Pi and case sitting around.

[newsclues]

Esp32 based project would be more interesting

[willis936]

They make esp32 based obd loggers. I have one but I haven’t bothered getting it to work since the obdlink mx+ works well enough for my data logging desires.

https://freematics.com/pages/products/freematics-esprit-obd-...