Recent content by armand

I have some cheap remote control devices, like GE Smart Remote, but I want to detect activity with the Elk. To state the problem in a simple way: How could I detect a simple 120v circuit's state (open or closed) easily and cheaply? Would you just use a relay to close a low voltage (Elk) input?

It seems clear to me that wifi is the way to go. The only limitation is the Elk devices and there are plenty of ways to work around that. While I could install a wireless server + high-gain antenna in the shed by the gate, I might first experiment with direct wireless devices (ala Global...

Too bad. Does that also apply to the serial and relay expanders. I thought I could bridge the RS485 connection over the wireless using something like these: http://www.bb-elec.com/Subcategory.asp?SubCategoryId=26

I am starting to think WiFi is a feasible solution. I did some research and found many amplified and/or directional antennas that have a range of many miles and are only $50-$150 per point. Then could I use a pair of RS-232/422/485/Ethernet 802.11 servers to connect to the ELK keypad, etc...

Jon - thanks for the RS-485 idea. Using fiber would certainly give me more options and may ultimately be cheaper after all. I am leaning toward the copper approach rather than 100% fiber/ethernet because it seems perhaps more reliable and straight-forward. Not looking forward to pulling miles...

Hi. I am brainstorming ways to add some sensors and controls to the property entrance gate area of my mother's house. I am planning on installing some HA there later this summer but have a specific problem with distance. What I have: House 2200' away from the gate. Power at the gate and in a...