HowTo find serialnumber of FTDI USB chip

Step-by-Step descriptions of how to do things.

HowTo find serialnumber of FTDI USB chip

Postby ^rooker » Tue Jan 29, 2019 1:38 am

When dealing with FTDI USB-to-UART devices, you might need to address them by their serial number.
Here's how you find that number:

1) Attach the device to your PC
Best to connect one at a time. Otherwise, how would you know which serial belongs to which adapter?

2) Approach A: Using "dmesg":
Code: Select all
$ dmesg | grep -B 2 "SerialNumber:"

This will return something like this (for each FTDI device connected):
[1176637.422076] usb 2-1.7: Product: FT232R USB UART
[1176637.422077] usb 2-1.7: Manufacturer: FTDI
[1176637.422079] usb 2-1.7: SerialNumber: A6028XXX

2) Approach B: Using "udevadm":
Code: Select all
$ udevadm info -a -n /dev/ttyUSB0 | grep -i serial

Will return something like this:

Have fun! :D
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Last edited by ^rooker on Wed Jan 30, 2019 1:01 am, edited 1 time in total.
Reason: CLI block was [quote] not [code]
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