I use, as metioned, the Heltec WiFi LoRa 32 (V3) and vsc with the platformio plugin. My PlatformIO Configuration looks like this and can be found her. oled_scl: 18 oled_sda: 17 oled_rst: 21 // new ...

Heltec Wireless Stick V3 (ESP32-S3) SCD30 CO2 Sensor SSD1306 OLED Display (I2C) Battery (Li-ion recommended) Miscellaneous: wires, resistors, PCB, etc.