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Joined: Sat Dec 08, 2018 1:00 am
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SIM800L and thermal printer on pi zero w

Sat Dec 08, 2018 1:42 am


Am on a little project and am using the SIM800L core board and a TTL thermal printer from adafruit (
on the pi zero w, I was of the notion that I can get 2 uart on the pi but it turns out to be an issue; the printer is capable of RS232 but am reading the pi is incapable.

Has anyone attempted using 2 uart devices on the pi and how did you do it.

Thanks and warm regards.

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