Amazon.com: Usangreen FTDI Chip USB to 5v TTL UART Serial Cable, Wire end, 6ft, TTL-232R-5V-WE Compatible : Electronics
Using the USART of AVR Microcontrollers : Reading and Writing Data - eXtreme Electronics
8-Bit USART Serial Communication - Developer Help
Usart protocol pdf
What makes one bus protocol faster than another? (e.g. UART vs USB) : r/askscience
SparkFun USB to Serial UART Boards Hookup Guide - SparkFun Learn
USB UART 4 click - USB-to-UART interface module | MikroElektronika
USB - TTL Serial USART CP2102 Module - DIYElectronics
USB to UART circuit
Serial Communication Protocols and Standards: RS232/485, UART/USART, SPI, USB, INSTEON, Wi-Fi and WiMAX by Dawoud Shenouda Dawoud, Peter Dawoud, Hardcover | Barnes & Noble®
CP2102 UART TTL FT232 6Pin USART Adapter Micro USB Serial Converter Module | eBay