How to Add Degree Celsius Symbol °C about stm32-ssd1306 HOT 3 CLOSED

Small hint from me. You can use generate.py with --charset argument to introduce your own charset to generated font.

For example

charset.txt

 !"°C%&'()*+,-./0123456789:;<=>?

And run

./generate.py -f arial.ttf -s 18 --charset charset.txt

It replaces # with ° and $ with C.

Then just use this in code

sprintf(buf, "%u#$", temperature); // #$ means °C

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Thanks aton..!!

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