Someone asked for some IR pictures....

A project log for 192:LED redesign

Ultra tiny (15.8mm x 14.8mm) smart USB RGB LED display/matrix

AlexAlex 07/28/2019 at 01:420 Comments

You may already saw them on Twitter. Thanks to fablab Munich I could take some IR pictures of a running matrix.

Front at 15% brightness white:
ImageBack at 15% brightness white:

ImageFront at full brightness after ca. 5 sec. running... Than I unpluged it.

ImageSo it should not run a full brightness for a long time. I am thinking to use the SAMD21'S integrated Temperature Sensor to limit the Brightness to Maximum Board (/MCU) temperature - maybe to 70-80°C.