out the XBee boards. They are also essentially a wireless serial
connection, but about half or less the price of that package. Here in
the US you can get 1mW units for US$19 and 10mW ones for US$35 or so.
Depending upon the cost in the UK, they might be a better deal.
DLC
jasuk1970 wrote:
> After looking into this more, I'm thinking some kind of wireless link
> to my PC is a much better Idea.
>
> On top of that, it opens a whole new window of things to play with.
>
> Turning the ooPIC board into a controller board with some built in
> intelligence, which gets it's main commands from a PC. Then the PC can
> handle storing (And displaying) the map. It can also tell the robot
> where to go and how to get there.
>
> I need to save up my pennies, I've found this device which seems to
> make the RS232 connection wireless.
>
> http://www.active-robots.co.uk/mini-rf-telemetry-module-ukeu-400mhz-p-573.html
>
> I'm planning on writing the PC end in VB.NET and use the serial as a
> way of communicating. (I can add in the wireless but it later when the
> normal serial cable has proven the theory)
>
> Jas
>
> --- In oopic@yahoogroups.com, "red71956" <kdwyer@...> wrote:
>
>> You can make do with just one EEPROM quite nicely, just use a 256k
>> one (rather than the equipped 4k), available from (among others)
>> SuperDroidRobots. The 256k is, um, RATHER large for Oopic purposes.
>> This should have enough space for an Oopic-able mapping program. Pop
>> out the 4k, pop in the 256k, and map away. An 'S' board with TWO 256k
>> EEPROMs installed just about maxxes out an Oopic's onboard abilities.
>> If that don't do it, it is time to look at off-Oopic data storage.
>>
>> Just not sure an Oopic is the best choice for the problem.
>>
>>
>> --- In oopic@yahoogroups.com, "rtstofer" <rstofer@> wrote:
>>
>>> --- In oopic@yahoogroups.com, "jasuk1970" <mail@> wrote:
>>>
>>>> Hi,
>>>> On of the things I plan to do in the future is to try and get a
>>>> robot to try and keep a map of a room in memory on a kind of grid
>>>> system, and then do some kind of path finding to get from point A
>>>>
>> to
>>
>>>> point B. But to do this I will need to have more then 400 bytes of
>>>> memory. Could anyone recommend some kind of extended memory
>>>>
>> module I
>>
>>>> could use with the ooPIC? (I'm using the OOBoard)
>>>>
>>>> I am hoping to discover some kind of serial device where you pass
>>>>
>> a
>>
>>>> memory location and either set it to a byte or retrieve a byte
>>>>
>> from
>>
>>> it.
>>>
>>>> Does anyone have any idea if this kind of thing exists?
>>>>
>>>> Cheers,
>>>>
>>>> Jas
>>>>
>>> Sure, the oEEPROM object allows you to store data in the unused
>>> portion of the EEPROM above the program.
>>>
>>> If you have an S board, you can use a second EEPROM and stay
>>> completely away from the program.
>>>
>>> Of course, you can interface another EEPROM using the oI2C object
>>> completely separate from the program EEPROM.
>>>
>>> Richard
>>>
>>>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
--
------------------------------------------------------
Dennis Clark ooPIC Tech Support
www.oopic.com
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