That's the idea behind two new Elektor Academy Pro courses developed by Clemens Valens: MicroPython for STM32 and Arduino for ...
BOM (short): 6–12 V solar panel; charge controller (optional, list model); Arduino Uno or Raspberry Pi; 2/4-ch relay module (≥250 VAC, ≥10 A contacts); LDR/voltage sensor; DC fan/LED bulbs; inline ...