If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...
This is a working example of the ESP32-C6 with Arduino using PlatformIO. It shows an example using the Adafruit OLED FeatherWing and some debug scanning for I2C devices that I found on reddit.