comma two

comma two is no longer supported

The most recent software release for the comma two is 0.8.13.1. Hot fixes may be pushed to the commatwo_master branch, but no new features are expected to be released.

FAQ

Why won't my comma two turn on?

The comma two is designed to be setup in the car. The USB-C to USB-C cable will only work when attached to the car harness in the vehicle. If you wish to power on the device inside, you must use a USB-A to USB-C cable and a wall charger.

What is a Dongle ID?

The Dongle ID is what identifies your device. It can be used to look up drives, and troubleshoot.

Where can I find my Dongle ID?

The device Dongle ID is found in Settings -> Device -> Dongle ID. If your device is paired with comma connect, you can also log into useradmin.comma.ai and grab your Dongle ID from the main page under Devices.

How do I delete my drives?

Perform a factory reset to delete your drives fully (answer below this one). An uninstall / reinstall of openpilot will still keep the drives preserved on the device.

How can I reset the device?

Reset the comma two by pressing and holding Power and Volume Up -> Factory Reset -> Full Factory Reset

What is the comma two hardware?

LeEco LePro 3, Snapdragon 821. Battery and driver camera infrared filter are removed.

I can't see my screen while wearing polarized sunglasses

Try a matte screen protector film which can be trimmed with scissors to fix the screen, that will stop glare and enable you to see the screen with polarized lenses. This one from amazon has been used and recommended.

Will the comma two kill my car battery?

It shouldn't. The comma two is designed to turn off after 30 hours of inactivity, or after a shorter amount of time if it senses the car battery is running low.

My storage space is filling up, How long are drive segments kept on my device?

Videos are saved on your device until additional room is needed. When less than 5GB or 10% of the drive space remains, the oldest segments will be deleted to clear up room. On the comma two, this results storage for around 12 hours of segments. The oldest segments will be deleted to make room for new segments even if the old segments have not been uploaded.

What are the infrared emitter specifications, and are they safe?

The 950 nm IR LEDs are, combined, rated for 3 Watts continuous but limited to 1.5 W in software. Assuming a 75 degree spread at 70 cm distance, the intensity is 0.16 mW/cm^2. To avoid thermal injury, a recommended continuous exposure limit is < 10 mW/cm^2.