Hi Guys, A bunch of interesting ideas and thoughts being raised here...
I've spent a good few hours over the weekend looking at what is available in terms of Energy Meters with RS485 serial ports and there are a number on eBay that provide quite a bit of data. Search on eBay for "energy meter modbus" or "energy meter rs485" and you'll find them. The solution here would be to get one of the meters and extract the data via RS485 Modbus protocol and then convert that back into a form that is suitable for a 1-Wire slave device. That being said my 1-Wire solution to measuring my house electricity usage was to buy a Dual Counter from Hobby Boards: http://www.hobby-boards.com/store/products/Dual-Counter.html and add a couple of photo transistors to the inputs and simply use bluetak to stick them over the flashing LEDs on the local electricity supply authority power meters to count the sub kwh pulses and then bring those values into the 1-Wire system. I'm just logging those values to a CSV file via cron in the Linux box that I run owfs in, so not much post-sampling cleverness going on there but it is capturing pretty well. HTH Alex ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
