This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official for Arduino and cloned 5V for Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an for 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 for Arduino board that has the reset pin brought out to a 6-pin connector.It is designed to decrease the cost of for Arduino development and increase ease of use (the auto-reset feature rocks!).And it has TX and RX LEDs that make it a bit better to use over the FTDI cable. You can actually see serial traffic on the LEDs to verify if the board is working.
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 CTS. Use these BLK and GRN pins to align the FTDI basic board with your for Arduino target.
Features:

 100% Brand new and high quality
Use a  6-pin header on the bottom, which makes it smaller and more compact
Support 3.3V, 5V
Chipset FT232RL
USB power has over current protection, using 500MA self-restore fuse
RXD/TXD transceiver communication indicator
Pin definition: DTR,RTS,BLK,GRN,GND
Module size:Approx.3.1* 1.75cm/1.22 * 0.68inch
Interface: USB2.0

Weight50 g
Dimensions5 × 3 × 2 cm

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