Comment by baq
2 months ago
Assuming you’re ok with connecting your receiver to the network, you should be able to wake the receiver if you detect the tv is on without any cables at all - if your tv is also on the network (I’ve got a home assistant automation doing exactly that) or you can use a $10 smart plug with power metering.
That said props for actually using HDMI-CEC! And it’s cheaper than most smart plugs (and probably safer, too)
This was actually the first route I considered. Unfortunately the latency was too much.
> My first instinct was to lean on traditional automation stacks: HomeKit scenes to chain “TV on” into “receiver on” or wattage triggers via an Eve Energy plug. This kind of worked, but every extra layer added 30 seconds of lag or more.