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Introducing the SparkFun FT231X Breakout board, complete with the full UART hardware handshake feature! The pin-out of this board matches the FTDI cable to work with official Arduino and cloned Arduino boards. It can also be used for general serial applications.This board still 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.
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This board will auto-reset any Arduino board that has the reset pin brought out to a 6-pin connector.The coolest thing about the FT231X Breakout is that we have broken out ALL the pins for your use, making this board all the more hackable! It also uses a common microUSB jack.One of the features of this board is a jumper on the back, which allows the VCC output to be configured to either 3.3V or 5V. This board ships default to 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.
FT231X – Full Speed USB to Full UART. The baud rate is between 300 baud to 3 Mbaud and comes with a 512 byte receive buffer and 512 byte transmit buffer. The higher data throughput is facilitated by the buffer smoothing technology it uses. The IC has an integrated clock generator so no external clock is required.
It should be noted that the max input of the FT231X is only 3.3V, but it can operate down to 1.8V with external pull-ups and is also 5V tolerant. I first purchased a cheaper FTDI from another vendor and wasted a lot of time trying to make it work without success. I finally realized it was not the user but the hardware. I figured it out by reading other comments where many were found to be defective.
So, I went to SparkFun with confidence that the hardware would be fine. I'm not great at soldering but it was fairly easy on the SparkFun board and I used it right away to program an Arduino Pro Mini - worked great!
All the hardware I've purchased from SparkFun has worked fine. Thanks SparkFun!!! In 2003, CU student Nate Seidle fried a power supply in his dorm room and, in lieu of a way to order easy replacements, decided to start his own company. Since then, SparkFun has been committed to sustainably helping our world achieve electronics literacy from our headquarters in Boulder, Colorado.No matter your vision, SparkFun's products and resources are designed to make the world of electronics more accessible.
In addition to over 2,000 open source components and widgets, SparkFun offers curriculum, training and online tutorials designed to help demystify the wonderful world of embedded electronics. We're here to help you start something. SparkFun Electronics.