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1  Topics / Home Automation and Networked Objects / Re: Home Automation Lighting on: November 15, 2012, 10:07:00 pm
For my set-up, I have an Arduino with Ethernet connected to another atmega chip w/ a HopeRF transceiver acting as a base station. The lights have a small custom board with an ATTiny84, transceiver and a latching relay. After the initial base station cost, it's about $10-15 per node. The latching relay is double pole, so I use that to determine the status. That's been the cheapest I can get it without running wires.

Could you share your schematic?
2  Using Arduino / LEDs and Multiplexing / Led for flash on: November 15, 2012, 09:28:05 pm
Where can I find leds as powerful as those used for flash in smartphones?
3  Topics / Home Automation and Networked Objects / Re: Power line communication on: November 13, 2012, 10:48:01 pm
I see, but I want something simpler. Perhaps a non-isolated circuit (no transformer).
4  Topics / Home Automation and Networked Objects / Power line communication on: November 13, 2012, 04:46:10 pm
Has anyone successfully interfaced Arduino with CY8CPLC10 chip or similar? It has an i2c interface. The problem, at least for me, is the coupling circuit. Does anyone have an schematic of it, like the one attached? Any breakout board?
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