Amazon.com: SparkFun FTDI Starter Kit - 5V - What You Need to get Started with FTDI FT232RL USB to Serial IC Compatible with Arduino or General Serial Applications USB Mini-B : Electronics
FTDI Basic Breakout 3.3V (Sparkfun DEV-09873) USB to serial
Breakout Board for FT232RL USB to Serial : Electronics - Amazon.com
SparkFun Serial Basic Breakout - CH340C and USB-C | DEV-15096 | Core Electronics Australia