Mega Pro 3.3V

SKU: DEV-10744 Brand: Sparkfun

Retired Product

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This product has been retired. It is no longer available, but this page has been kept for reference.

It’s powerful, it’s portable, it’s Pro! We’re continuing our Pro series of Arduino-compatible micro-controllers with the addition of the Mega Pro. This is a 3.3V microcontroller running a version of the stk500v2 bootloader at 8MHz. Just like the other Pro-series boards this board is built with all SMD components and comes with no headers populated in order to minimize the cost and the board profile. Of course this board has the same pin-configuration as the Arduino Mega so it is dimensionally shield compatible (but do keep in mind that this is a 3.3V board unlike the Arduino Mega).

The Pro series is meant for users that understand the limitations of system voltage (3.3V), lack of connectors, and USB off board. This board connects directly to the FTDI Basic Breakout board and supports auto-reset and the DC power jack footprint is available, but not populated.

Note: If you are using Arduino, modifications were made to the bootloader to support the 3.3V system, you will need to download and install a new board definition so that the Mega Pro can be programmed in the Arduino environment. The .zip archive below contains all of the files that you’ll need including a “readme” file with simple instructions for how to install them. OR you can use Wiring and not worry about this since the board is officially supported. You will need to download the board definition files here.

Not sure which Arduino or Arduino-compatible board is right for you? Check out our Arduino Buying Guide!

Features:

ATmega2560 running at 8MHz external resonator
Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, Accelerometers, sensors, etc)
USB connection off board
3.3V regulator, 500mA max
Over current protected
Reverse polarity protected
DC input 3.3V up to 12V
Resettable fuse prevents damage to board in case of short
Power select switch acts as on/off switch

Documents:

Schematic
Eagle Files
Datasheet (ATMEGA2560V-8AU)
Board Definition Files (Wiring 1.0)
Board Definition Files (Arduino 1.0)
Board Definition Files (Arduino 0022)
GitHub (Design Files)

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Retired

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Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia

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