A low-cost way to add USB capability to for Arduino or other microcontrollers.
Use this to give your own Breadboard for Arduino USB capability for bootloading or downloading sketches.

Future Technology Devices International, commonly known by its acronym FTDI, is a Scottish privately held semiconductor device company, specialising in Universal Serial Bus (USB) technology.

It develops, manufactures, and supports devices and their related software drivers for converting RS-232 or TTL serial transmissions to USB signals, in order to allow support for legacy devices with modern computers.

FTDI provides application-specific integrated circuit (ASIC) design services. They also provide consultancy services for product design, specifically in the realm of electronic devices

Standard interface, compatible with a variety of official Arduino and non-official controller

FT232 chip, stable performance

With power, sending, receiving indicator, working status

With 3.3V and 5V power supply options

Do ordinary USB to serial TTL module, download STC SCM

Specifications:
Size: approx. 35 x 17mm
Net Weight: 3g
Package includes:
1 x Basic Breakout Board