“USB TTL is developed with the advanced CP2102 and CH340 chipsets, which are 2.0 compliant and come with standard USB type A male, Type C, Micro USB, and TTL 6pin connectors. 3.3V, VCC, RTS, TXD ...

Though [David] could have easily used USB OTG for this project, many microcontrollers don’t have the USB-to-TTL capabilities of his Arduino – so this wasn’t entirely in vain.

In a recent post we interfaced a small DMX RGB LED Par Light with an Arduino Uno through a MAX485 module. In this post we will learn how to work with a. Aspencore ... the FT232RL circuitry may be used ...

@osgeld, that’s cool. Good to know. @pc486, I wrote this article. I synthesized a few HOWTOs for adding a serial port to your router. Nowhere in the article do I say anything dumb like USB-to-FTDI.