OLED Display Heltec WiFi LoRa 32 V3 on PlatformIO

I’m sharing a practical example of how to control and efficiently use the OLED display on the Heltec WiFi LoRa 32 V3 using PlatformIO and the U8g2 library. The post covers power management via the Vext pin, code structure, and best practices for embedded projects. Feel free to ask questions or share feedback!