ESP-C3-mini-1 QR code does not scan

rjustice
Posts: 16
Joined: Mon Sep 06, 2021 9:12 am

ESP-C3-mini-1 QR code does not scan

Postby rjustice » Fri Jun 09, 2023 8:27 am

Hi,

For the ESP-C3-mini-1 SOC we would like to scan the QR code in order to identify each chip.

When we try and scan it we do not have any success, can you recommend software that we should use to scan it?

Thanks

MicroController
Posts: 1696
Joined: Mon Oct 17, 2022 7:38 pm
Location: Europe, Germany

Re: ESP-C3-mini-1 QR code does not scan

Postby MicroController » Fri Jun 09, 2023 9:38 pm

Product photos on the internet show a DataMatrix code on the module, and it decodes as such when "inverted" so that the LASERed spots are dark and the bare metal is light.
No idea if this is specified anywhere by Espressif though.

ESP_Sprite
Posts: 9709
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP-C3-mini-1 QR code does not scan

Postby ESP_Sprite » Sun Jun 11, 2023 2:55 am

The contents are: https://www.espressif.com/sites/default ... ion_en.pdf. At least under Android, I can decode the DataMatrix code using the app Binary Eye (make sure to zoom in using the slider, though).

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