I have PC’s that are left on even though access to them is infrequent. (for example my HTPC, and another machine used primarily as a destination for backups). Wake-On-LAN is an option I keep meaning to explore further, but this requires a compatible NIC and the machine to be sleeping, not fully off. Today I came across the Insteon 2450, and realize that an interesting use of this would be to wire it to the PC’s power switch - with the switch to the 2450’s input (sensor) terminals, and the 2450’s output (relay) to the PC motherboard where the power switch normally connects. This would give local control and remote automation capability. Of course I’d need to get the Insteon interface for Vera too.
Most PC Bios’s usually also have the option to turn the PC on after a power outage to the PSU supply (wake after power fail or similar verbiage); you can turn this option on and then connect your PC to an appliance module and cycle the power to it, this will subsequently turn the PC on.
A pc in sleep mode uses ~1-2 watts and I assume any device you wire in there would use similar or more. I can’t see a reason not to use s3.
I run my htpc 24/7 and set to sleep after 30mins. It wakes up to record or update the guide, backups etc and also from the remote. I also recently installed a ups that turns off some of the outlets when the htpc goes to sleep, so I eliminate the phantom load from the tv and sound system at the same time.
I measure 1w in sleep mode across all the media gear in sleep mode and everything turns on in a matter of seconds.
Next I need to do something about my server!
I didn’t know WOL worked all the way down to S5. Cool. Also good to know there is a WOL plugin. However one of my machines is WiFi connected and does not support WoWLAN.
The reason I don’t go for the remote A/C switch is that it only works for full power-on/power-off. By automating the PC’s physical button it can be used to wake from sleep/hybernate as well.
Best Home Automation shopping experience. Shop at Ezlo!