esphome-seplos-bms
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Decode protocol version (`0x4F`) frame
Get protocol version ASCII
Request: ~2000464F0000FD9A\r
Response: ~260046000000FDAE\r
^^ protocol version 2.6
Request: ~2000464F0000FD9A\r
Response: ~200046000000FDB4\r
^^ protocol version 2.0
0x20 VER
0x00 ADR
0x46 CID1
0x00 CID2
0x0000 INFOLEN
0xFDB4 CRC