Does this exist? Kinetic-powered wireless doorbell button that triggers a relay

[someperson]

Wireless doorbell systems that have a kinetic-powered button (i.e. no battery) exist, e.g. https://www.amazon.com/gp/product/B0929729L1

Wireless relay receivers also exist, e.g. https://www.amazon.com/gp/product/B0B125VLNB

These products often use the 433 MHz band. Are there any that actually work together? If not, is there any relatively simple way to make something like this work? What I really want is a kinetic-powered doorbell button that triggers a relay instead of a chime box.

[Kim Christensen]

Buy the doorbell and modify it to trigger a relay instead of making a noise?
You might even be able to put the doorbell in "flash" or "light" only mode and have a circuit that detects the light and triggers your relay if you didn't want to modify the doorbell.

[BrokenYugo]

Try "self powered light switch", you'll get lots of stuff for switching mains, hack for low voltage use if needed.

I would not expect random 433Mhz stuff to work together, best bet is probably to start with a known working TX/RX pair.

[someperson]

Buy the doorbell and modify it to trigger a relay instead of making a noise?
You might even be able to put the doorbell in "flash" or "light" only mode and have a circuit that detects the light and triggers your relay if you didn't want to modify the doorbell.

Sounds possible, although I honestly have no idea how to go about this. The doorbell makes a noise and flashes a LED when activated. I'm not sure how to turn that into something that can be fed into a momentary relay.

Try "self powered light switch", you'll get lots of stuff for switching mains, hack for low voltage use if needed.

Here, the challenge would be that these light switches only output mains voltage and they also latch. Is there some way to adapt this to trigger a momentary relay when switching on or off?

[Zero999]

The problem is, the transmitter requires power to work, which is only generated when pushing the button. None will be generated whilst the button is being held down.

If should be easy to hack a doorbell to trigger a monostable 555 timer from the LED output, but it will always latch on for a predetermined time.

[someperson]

The problem is, the transmitter requires power to work, which is only generated when pushing the button. None will be generated whilst the button is being held down.

If should be easy to hack a doorbell to trigger a monostable 555 timer from the LED output, but it will always latch on for a predetermined time.

A short time is fine. I basically just want the push of the button to briefly trigger a relay.

[nali]

You can get momentary action switches e.g. https://www.tlc-direct.co.uk/Products/QUR3PM.html

The new Quinetic Momentary wireless controller only remain active as long as the paired switch is pressed. The power turns OFF once the user stops pressing the switch. The momentary controller works with Quinetic (QU WS range) switches only.

I guess they send an ON code followed by an OFF code. Not sure if that's what OP wants or if he wants a timed relay.

[someperson]

You can get momentary action switches e.g. https://www.tlc-direct.co.uk/Products/QUR3PM.html

The new Quinetic Momentary wireless controller only remain active as long as the paired switch is pressed. The power turns OFF once the user stops pressing the switch. The momentary controller works with Quinetic (QU WS range) switches only.

I guess they send an ON code followed by an OFF code. Not sure if that's what OP wants or if he wants a timed relay.

Hmm, I’m not a big fan of their giant square buttons, but, combined with some kind of relay that runs on line voltage, this looks like the kind of thing I need! Does anyone know if there’s a US supplier of this or something like it? Shipping from the UK isn’t cheap.

[alligatorblues]

I would convert the the 120VAC to 24V. It's  very commonly done, and the transformers are abundant.