So he tried his hand with some really small SMD parts by building this USB to serial Arduino programmer. The chip he went with isn’t the FTDI part we’re used to.

You’ll find an FTDI chip on Arduino boards that have a USB connector. It’s used to handle the USB communications on one side, and TTL serial communications on the other.

A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board. The Arduino Pro Mini is intended for semi-permanent installation in ...

ESP32 Qwiic Pro Mini is an ESP32 board in Arduino Pro Mini form factor SparkFun’s latest development board, the ESP32 Qwiic Pro Mini, puts the Espressif ESP32-PICO-MINI-02 on a compact Arduino Pro ...