Could I use a PIR sensor as a hands free on-off switch like in 1960s SciFi movies?
I like the idea of waving my hand over a little dome to turn on or turn off an a/c device. I know a PIR can be used to actuate a circuit for a time period, but don't want the thing to turn back off until I'm ready. I would like to use the PIR to toggle on or off switch for the circuit only when I wave my hand over the sensor bulb. I'm sure this can be done, but I am not skilled enough to figure it out without a little help. I want to turn on or turn off the light on my night stand next to my bed. I could build a battery powered LED night light, but I want to use the circuit to control the a/c powered lamp. I am guessing I'd need a solid state relay or something to handle the 110 volt a/c for the lamp. Any help?