Remember my antenna is just an MLA-30 located inside house:
Found old used UPS case.
Not perfect but acceptable. Too much solder, it doesn’t look cool, but does not interfere with work 
Some videos.
Some photos of the assembling process.
IDK why I bought it, because it’s hard for now to find needed transformer and I totally don’t want to wind anything.
Читайте далее
Addinng BLE BMS.