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CAT # ARD-76 3.5 out of 5 stars(3 Reviews) Write a Review

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Product Description
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 Arduino and cloned 5V 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 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 CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

This board 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.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). The Arduino Pro boards and LilyPads use this type of connector.

One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3.3V or 5V (both power output and IO level). This board ship default to 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.
Spec sheet available in PDF format.
WARNING: May cause cancer or reproductive harm.
California Prop. 65
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Customer Reviews 3.5 out of 5 stars(3 Reviews)

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Watch that connector 4 out of 5 stars

Reviewer: from Seattle, WA USA

There are a lot of images of the FTDI out there that show "chip up connector down" but look at the spec sheet. The view of the connector is from the side of that connector and it's easy to get this confused and plug it in upside down. The one I got does not have clearly labeled pins.

Once this was figured out it worked. Tested with a Win10 system using Arduino IDE and also tested with a PineBook Pine64-powered laptop also running Arduino IDE.

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Works great 5 out of 5 stars

Reviewer: from USA

I bought this to use this with my Trinket Pro and other home-built AVR projects. No complaints.

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Handle it gently, poor soldering 2 out of 5 stars

Reviewer: from Kelseyville, Calif

The board worked fine, and yes, you need to watch the orientation on connecting to the destination board. My problem is the USB connector peeled up and all the solder joints failed. Think maybe the reflow temp was to low or short. I would reinforce this connector with epoxy if you want to potentially prevent this failure mode. At $15, this is 2X the price of what is on Ebay, which is why I am only giving it 2 stars.

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