Daniël, NO you can't!
summary
Build claim: a LoRaWAN edge device that reads a Vdirect serial port on Victor charge controllers, ships as 269 units in 90 days, and feeds an Influx time‑series backend (they report ~4 TB). Tools and choices: a Pike envelope I/O module, off‑the‑shelf case, cheap Chinese antenna that loses ~50% and feeds RF back, microPython firmware, battery power handling 8–70 V, sold ~€90 versus ~€50 parts cost. Hard lessons: heavy testing (~two months), avoid feature creep so no OTA updates and send one package hourly.
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