@key
glad that it works with you
I don’t have an answer for this but if PZEM can work on ESP-01 it should work on Wemos D1 mini.
unfortunately I don’t have Wemos D1 for testing now
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My first attempt was with “Node-Red” for S31
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Next week I can make a project about POW R2 (similar to PZEM)
all based on MQTT, you can find your answer in “How to use TASMOTA inside BLYNK” .