Re: gEDA-user: powermeter board, with less ground planes :-)

[DJ Delorie <dj@xxxxxxxxxxx>]

> Of course, the super deluxe solution would be PoE but that is a recipe 
> for project drag because now you'd have to add a litte switch-mode 
> converter.

I've looked at PoE before.  I need an AC reference signal anyway, I'll
just use that.  I mean... I'm inside the source of power for the
house, I shouldn't need to go elsewhere for power ;-)

> > Of course, with ethernet, I need a separate programming circuit.
> 
> If they all got a different IP address wouldn't it work with just 
> routers and hubs? The last 4:1 hub I bought was under $10, IIRC from 
> Walmart. Plus a bootloader in the uC in case you need to re-flash that.

The R8C has a built-in bootloader that uses a serial port and two
control pins (mode and reset).  I use an FTDI usb to serial chip to
interface to that.  If I use ethernet for communication, I still need
some connection to the serial port and control pins.


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