A simple breakout board for the FTDI FT232RL USB-to-Serial UART interface chip. Ideal for interfacing with Arduino Pro, ESP32, ESP8266, or other microcontrollers that require a USB-to-Serial converter ...

There are adapters on the China market that looks like they have genuine FT232RL chip but that is just a FAKE copy of FTDI chip from China. That is not perfect copy and it doesn't work with STCGAL ...