FT232RL USB TTL Serial Port Adapter 3.3v - 5v (OT730-D72)

The most well-known and reliable USB to serial converter is this FT232RL USB TTL Serial Port Adapter! You need this to connect the Pro Mini to your computer, for example. Also suitable for the ESP32-CAM. NOTE does not contain an original FT232RL chip but a clone that has almost the same operation. Specifications: Converts TTL logic to computer RS232 3.3V or 5V TTL (adjustable with jumper) RX (3.3v or 5v) TX (3.3v or 5v) Mini-USB female connection Drivers for Windows, Linux and Mac OS can be found here.