Re:Why we won't be selling Genuino or Arduino any more
by voidz on Thursday August 11, 2016 @11:49AM
(#12269203)
How does it read your electricity meter?
Re:Why we won't be selling Genuino or Arduino any more
by pjc50 on Thursday August 11, 2016 @12:06PM
(#12269366)
I implemented this project: https://github.com/pjc50/emon-server
The meter has a (standardised) red LED that flashes once for each watt-hour. The Pi has a phototransistor that turns flashes into a GPIO transition interrupt. I've put it on my solar panel generation meter, and plan to build another (slightly improved) unit to monitor the mains input meter.
Re:Why we won't be selling Genuino or Arduino any more
by exhilaration on Friday August 12, 2016 @12:31AM
(#12273405)
Very nice, I've got a modern electric meter but had no idea this was possible.
The toy projects are a journey, not a destination. Compare them to all those people typing in listings for Breakout games in the '80s computer magazines.
It's also a means of doing "IoT" home automation and monitoring without getting locked into someone else's surveillance ecosystem. I have a Raspberry Pi reading my electricity meter, for example.