All ideas welcome.
For ideas of different sensors, there's lots of them over at Seeed Studio: http://www.seeedstudio.com/depot/sensors-c-144.html
On a more general note...
Are these your IO Nodules, as described on your web site?
So they will have an I2C interface?
I happened to stumble upon your web site yesterday, and this ION idea is very cool.
Basically a digital sensor, something I've been thinking about for a while.
Here are some other ideas I have:
- make the electrical interface more generic, supporting:
a) basic sensors, like above (polling using I2C) (good for bus network layout)
b) interrupt ability, avoids polling, sometimes helpful
c) full two way communication (using SPI) (good for point-to-point network layout)
the idea is to have the interface support simple devices (sensors)
and also complication devices (other processors, with a fast, 2-way interface)
- define the physical specs of the nodule, so there is a physical "plug-n-play"
- software library is designed such that talking to a rotary encoder (for example),
via a nodule is no different from talking to an encoder locally connected to a processor
(allows someone to prototype using these digital sensors, then move to using
the same types of sensors connected directly to the main processor (for production, to lower cost),
without having to re-write their code, just need to modify the configuration)
- have a generic way to define the messages passed between nodule and main processor
Makes for a powerful system:
- can support multiple languages to talk to the nodules using code generation techniques
- can query nodule about it's capabilities and then build an interface dynamically at run time
(imagine: web page that automatically updates, showing all nodules plugged in, and their current status)
- code to control and monitor, say a GPS unit from company X, is exactly the same as a GPS unit from company Y,
assuming they follow the same interface
Ok, there's enough ideas for now. :-)
I'm just throwing these out there... kinda brainstorming.
Microcontrollers have gotten so cheap ($0.50) that, to me, it makes
sense to make all these dumb devices a lot smarter, especially for
prototyping or one-off projects.