2 layers40 × 20 mm

B CY7C65213-BRK R1.0
Boardoza/Boardoza_CY7C65213_USB_to_UART_Breakout_Board
USB to UART breakout board based on the CY7C65213 for reliable serial communication over USB.
25 partsCC-BY-SA-4.0
KiCad boards from 2 GitHub repositories tagged “serial-adapter”, the most starred first; open any of them in PCBKit.

Boardoza/Boardoza_CY7C65213_USB_to_UART_Breakout_Board
USB to UART breakout board based on the CY7C65213 for reliable serial communication over USB.

easybe/ez-uart-adapter
An USB-UART adapter that can power-cycle your board