Mega644 board

[Razor Concepts]

The ATmega644 is the most powerful ATmega in DIP package, so I decided to make a little development board out of it.



The ft232 USB chip is also on a removable breakout board. So now if the two "big" chips ever fry I won't have to replace the entire board 

[ZRobot]

good idea! It's easier than making an arduino board?

[Admin]

This is my ATmega644 board, not sure if you've seen this vid yet or not. Its also the Axon alpha version.

Accelerometer Demo

[sonictj]

The ATmega1284 just came out and it has the exact same pin out.  In addition to that the chip has more flash and sram, and probably eeprom.  There is a neat pcb style board called the sanguino that also uses the ATmega644p (could use 1284).  The board is set up to use a usb ftdi cable instead of a usb B cable. 

http://sanguino.cc/

This is the board I used in my firefighting robot woody.

http://www.societyofrobots.com/robotforum/index.php?topic=7653.0

[chelmi]

The ATmega1284 just came out and it has the exact same pin out.  In addition to that the chip has more flash and sram, and probably eeprom.  There is a neat pcb style board called the sanguino that also uses the ATmega644p (could use 1284).  The board is set up to use a usb ftdi cable instead of a usb B cable. 

http://sanguino.cc/

This is the board I used in my firefighting robot woody.

http://www.societyofrobots.com/robotforum/index.php?topic=7653.0

According to DigiKey it won't be available until July. Do you know other places where it is already available?

[Admin]

mouser.com has them

[chelmi]

mouser.com has them

I made a mistake in my previous email, I actually meant Mouser instead of DigiKey.
Availability: on order, Estimated Ship Date 07/08/2009

On DigiKey the quantity available is 0.

[sonictj]

I made a mistake in my previous email, I actually meant Mouser instead of DigiKey.
Availability: on order, Estimated Ship Date 07/08/2009

My bad I hadn't tried to buy any but I thought they were already available.  Well at least any dev board you use with the 644 will be upgradable by a simple chip swap later on.

[Razor Concepts]

Forgot to post the finished version. The FT232 is surprisingly simple to wire up... the only downside is that it's only in SMD format. I bet it would be a hit if they released one in a DIP package.

[sonictj]

Another option to the ftdi chip is an ftdi usb cable.  Granted this does not look as cool, and the cable is more expensive, but the cable gives you a whole lot more space on your dev board.  In place of a usb port, the ftdi breakout ect. you have a simple 6 pin header.  take a look at my board here http://www.societyofrobots.com/robotforum/index.php?topic=8060.0

The 6 pin headers in the bottom right are the uart to ftdi cable headers.

**Also where is you 5v regulator?  I don't see it in your last picture?

[SmAsH]

there isn't one!
i think he may either get it from a regulated supply or from usb power?