Go Down

Topic: Seeeduino stalker (Read 2 times) previous topic - next topic

edwardhensel

the Seeeduino Stalker has got to be a perfect board but the only problem is that the I/O ports run on 3.3v  I need them to run on 5.5v.  Below you will find a link to the wiki on the Stalker, with schematics.  What can I remove on the board it self to make it run on 5v.  I see on the schematic that 5v is coming in but by the time it his the microprocessor it is 3.3v. 

http://www.seeedstudio.com/wiki/Seeeduino_Stalker_v2.2

Also does any one know of an arduino compatible board that has similar features that the Stalker has?

dpharris

I have not, yet, gone down this road.  However, a UNO compatible with these features would be nice.  Should be a little cheaper, too! 

David
Dr. David Harris
OpenLCB Dev Team

CrossRoads

What parts of it do you need?
A lot of the devices on the board are 3.3V only - the SD socket, the XBee socket, etc.
What portions do you need?
My Bobuino board has 5V IO, DS1307 battery backed clock, RS232, shield headers, extra IO, with seperate 3.3V regulator & level-translated signals for the an SD card.
But if you need the battery charger, it doesn't do that.
So what features do you need?
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

CrossRoads

So if the board was redesigned to boost the LiPo battery output to 5V so the uC could run at 5V that'd be what is needed?
And keep 3.3V for the Xbee socket and SD and uSD card socket?
Would you add USB interface too, vs pins only for an offboard USB/Serial adapter?
That wouldn't be that difficult to arrange.
I'd boost the processor to a '1284P too for its 16K SRAM.
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

edwardhensel

the arduino comparable sockets run on 3.3v and I need them to run on 5v.  That is the problem with this board.

Go Up