Society of Robots - Robot Forum
Electronics => Electronics => Topic started by: Asellith on February 05, 2008, 11:24:46 AM
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I came across a neat little module that has java embedded in it and is essentially a cell phone. But it has access to several external peripheral that would be nice for robotics. The module is a little picky about it's power and how stuff is connected to it. So my thought was to build a breakout board and a small robot controller for the module and produce some PCBs of it. The module has I/Os and ADC as well as UARTs and even USB. So my thought was a simple robot controller using java as a language and if need be you can drop a sim card in and have it report back to email/sms/tcp what ever your desire. I'm working on the power supply design now. What kind of power output would be good for a small 2 motor wheeled robot? Also what else would you all like to see on something like this?
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What kind of power output would be good for a small 2 motor wheeled robot?
Enough for at least 3 servos and sensors . . . I'd say 2A at 6V for 12W would give a nice comfortable margin.
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The module requires 2A for itself. Something about a burst transmission mode that draws 2 amps. So my first thought was to install some opto-isolators and pull all the digital signals out and run a separate 5 volt system for all external electronics because the cell module is picky about power and runs off a weird 4 - 3.3 volt system. Not sure how to do servo control yet. Might have to some controllers for that. I have enough DIOs to put some servo controls and maybe even a cheap H-bridge for some DC motors incase someone wants to do something with those. still working out the kinks in the design now and learning Eagle cad.