Take the ESP32-CAM, a board that started ... that has to be wired to the GPIO pins of the camera board so that programs can be uploaded from the Arduino IDE when the reset button is pressed.

The brains of the build is an Arduino Nano ESP32. No, that’s not a typo. It’s basically an ESP32 in a Nano-like form factor. It relies on its in-built WiFi hardware to connect to the internet ...