gerd.luthe
gerd.luthe
https://us.v-cdn.net/6034073/uploads/OJ8IDWBXR179/seplos-bms-communication-protocol-v2-0.pdf
Check your wemos, i'd used an wemos mini pro and the communication with my pylontech ended as yours in an ???? so i'd used an wemos mini d1, maybe a...
Give it a try, there's an max3232 onboard the aliexpress one's
i'd used an blank max3232 without any problems, you'd checked all the wiring stuff? wifi connection is good?
mine is the us2000c too. good luck
[Works](url) for me on an m2 pro with Ventura 13.3 great job dude !!!