This is SparkFun Beefy 3 FTDI Basic Breakout for the FTDI FT231X USB
to serial IC.
The pinout of this board matches the FTDI cable to work with official
Arduino and cloned 3.3V Arduino boards. It can also be used for
general serial applications. Built upon the same foundation as our
3.3V SparkFun FTDI Basic Breakout, the Beefy 3 is equipped with an
AP2112K voltage regulator making this FTDI basic breakout board
capable of handling a current load of up to 600 mA! With the addition
of a more "Beefy" voltage regulator your will now be able to power a
3.3V project directly from the FTDI. The pinout of this board matches
the FTDI cable to work with official Arduino and cloned 3.3V Arduino
This board brings out the DTR pin as opposed to the RTS pin of the
FTDI cable. The DTR pin allows an Arduino target to auto-reset when a
new Sketch is downloaded. This is a really nice feature to have and
allows a sketch to be downloaded without having to hit the reset
button. This board will auto reset any Arduino board that has the
reset pin brought out to a 6-pin connector. The pins labeled BLK and
GRN correspond to the colored wires on the FTDI cable. The black wire
on the FTDI cable is GND, green is DTR. Use these BLK and GRN pins to
align the FTDI basic board with your Arduino target.
There are pros and cons to the FTDI Cable vs the FTDI Basic. This
board has TX and RX LEDs that allow you to actually see serial traffic
on the LEDs to verify if the board is working, however this board now
requires a Micro-B USB cable. The FTDI Cable is well protected against
the elements, but is large and cannot be embedded into a project as
easily. The FTDI Basic uses DTR to cause a hardware reset where the
FTDI cable uses the RTS signal.
This board was designed to decrease the cost of Arduino development
and increase ease of use (the auto-reset feature rocks!). Our Arduino
Pro and LilyPad boards use this type of connector.
* How to Install FTDI Drivers 
* FTDI Drivers 
* GitHub  (Design Files)
 https://github.com/sparkfun/Beefy_3 … more
|Product type||Electronics module|
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Warranty 24 month Bring-in
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