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[AndyWo83]

Hello,

i would like use the Universal 4 with my Wemos D1 Mini to read my powermeters.
But in Arduino i have a error message.
How can I fix the error?

[gemu2015]

as i use atom to compile i have no idea why this happens.

if you are able to compile the standard tasmota source with arduino IDE you may simply take over sml95 and TasmotaSerial folder (in lib). no other changes necessary .

[AndyWo83]

Hmm, with the Tasmota 6.5.0.13, copy/paste the xsns_95 and your serial driver, everything is OK...