I have seen a IMO cool gadget lately in a hotel. Instead of a mechanical wall switch, you basically found a metal plate of about 2 inch diameter. By touching this plate shortly with your bare finger, you switched on/off the room light. By touch and hold your finger on the plate, you started dimming the very same light up/down until you release the plate.
Question: I am looking for this kind of "touch switch". I don't need the dim function. It should work as normally open relay, so as long as I touch the metal surface, the relay is shut. Some Specs:
- Relay input: 120/230 V AC
- Switching current: No restrictions, can be anything AC or DC
Do you know a maker or have an idea how to design such a device ?
Thanks for any help