Search by Tags

Serial Number


Article updated at 01 Oct 2018
Compare with Revision

Subscribe for this article updates

Every Colibri module has an unique Serial Number.

This number is fix connected to the MAC Address of the module. For more information about the relationship see: MAC Address


You can find the Serial Number on the bar code sticker on the Colibri Module.

There are different version of this stickers some of them have a 1-D bar code and some have a 2-D bar code.

Additional Information

In addition to the Serial Number, you can also find information about the type of the processor, speed and HW version on the sticker.

Read Serial Number from a Program


It is possible to read the serial number from user space.

For all modules, the serial is available in /proc/cpuinfo:

cat /proc/cpuinfo | grep Serial
# or
cat /proc/cpuinfo | grep Serial | cut -d ':' -f2

For device-tree enabled modules, the serial number is available in /proc/device-tree/serial-number:

cat /proc/device-tree/serial-number


The SysinfoLib, which is part of our free Toradex CE Libraries contains functions to query the serial number.