[chbot] Small Micros with I2C bus
jimmy1248 at gmail.com
Sat Apr 23 14:43:11 BST 2011
I was planning on getting a few AVRs from overseas(enough to make
shipping worth while)
The ATtiny45 seems to have I2C.
So if you are interested just let me know.
On 4/22/11, Michael Pearce <mike at kiwacan.co.nz> wrote:
> If you want the smallest package then you might have to switch to a
> Microchip PIC the PIC12F1840 and PIC12F1822 are 8 pin devices with
> hardware I2C peripheral... about as small as you will get until they
> release a PIC10F (6 pin) with one.
> You can sample or buy from http://www.microchipdirect.com (Cheapest)
> Should also be available from Digikey, Farnell (Now Element14), RS, Mouser,
> SICOM might be able to order them in for you as well.. but will of
> coarse add their 100%+ margin.
> I am of course bias toward the PIC... especially since I now work for
> Microchip in Arizona.
> On Thu, Apr 21, 2011 at 8:08 AM, Paul Davey <plmdvy at gmail.com> wrote:
>> I have a group project at university involving microcontrollers. We
>> will be using an Atmel AT91SAM7S256 micro. The project involves
>> interfacing several external components. I thought it may be a good
>> time to experiment with I2C and offload some of the sensing and input
>> to a few smaller micros and have the main one query them over I2C for
>> the results. Since the project we are doing is a simplified model of
>> part of a home automation system it would make sense that not all of
>> the sensors are a reasonable distance from the main micro.
>> Now that I have rambled on, to the point! Does anyone know where I
>> could get a small volume of small micros (like the ATTiny series or
>> such) that preferably have I2C peripherals in them. Where do people
>> buy micros from in New Zealand :/
>> Sorry for the rambling.
>> Paul Davey
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