This tiny device contains both a 3.3v UART and an input level shifting circuit.
Uses the populat FT230X chip from FTDI, which is natively supported in Windows and requires no driver to be installed.
Wide range of input voltage (1.8 to 9.0 Vdc) outputs at 3.3Vdc
Mini USB B connector
USB - RS232 plus input level shifter
SKU: UARTPPS33
$35.00Price