FT232 USB to TTL Adaptor 3.3/5 V - User Manual

Table Of Contents

VMA440

V. 01 – 25/06/2018 3 ©Velleman nv

5. Overview

VMA440

The VMA440 is a USB-to-serial UART/TTL interface based on the FT232RL chip. It offers an easy way to add

USB capability to microcontrollers, e.g. Arduino

or VMA439.

Use this to give your own breadboard Arduino

USB capability for bootloading or downloading sketches.

FTDI FT232RL USB to TTL serial converter adapter module 5 V and 3.3 V for Arduino

(5-3.3 V can be

selected by a switch on the board).

RXD/TXD and power LEDs are provided on the VMA440.

The board is over-current protected by a 500 mA self-restoring fuse.

The VMA440 includes a DTR pin needed to auto-reset Arduino

when downloading to your device.

colour: white

pitch of the pin header and ISP header: 2.54 mm

dimensions: 36 x 18 mm

USB power supply: 3.3 V or 5 V

interface: micro-USB

pins: DTR, RXD, TX, VCC, CTS, GND (also available on the ISP header)

included: VMA440 + 1 micro USB cable

6. Example

7. More Information

Please refer to the VMA439 product page on

www.velleman.eu for more information.

For more information on the FTDI FT232RL, please visit http://www.ftdichip.com/Products/ICs/FT232R.htm.

Use this device with original accessories only. Velleman nv cannot be held responsible in the event

of damage or injury resulting from (incorrect) use of this device. For more info concerning this

product and the latest version of this manual, please visit our website www.velleman.eu. The

information in this manual is subject to change without prior notice.

The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this

manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the