I think we are going out of the topic and will make it complex to read as it should be a list of compatible devices
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I followed a tutorial and could successfully communicate between my Arduino +5100 shield. I don’t have ir transmitter nor receiver… But I receive ir signals. Is there a special setup without ir as the blog with my setup has been removed.
Would like using the old setup from @1technophile
4 euro … hard to beat price, if you compare to a 50 $ zwave sensor …
I wish I could fix my 433MHz receiver, still not working
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Both switches work
https://www.amazon.de/gp/product/B010DFEICC/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
I use them with a Superheterodyne 3400 Wireless Receiver connected directly on my Pi3B and the rpi_rf HA module.
I also use the well known Etekcity Radio Plug Sockets
https://www.amazon.de/gp/product/B016I3TZ58/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
One question:
Has anyone found a 433Mhz light switch that also sends a signal?
I would very much like to have the correct state in HA when the light switch is triggered manually.
@fbsdmon
thank you very much for sharing these products.
Answering your question: you can use this:
https://www.itead.cc/sonoff-touch.html is not 433 working with MQTT.
You can have more information here: Flashed Sonoff Touch with ESPEasy for control via MQTT and HA
now, please
Please do not answer here about this, because this is not a topic for doubts, just to share equipment
Well, I’ll be keeping an eye on your results too! I have exactly the same idea - slightly different sensor. Good luck!
I just wanted to share my ESP8266 MQTT transmitter 433Mhz setup, which is being overtaken with the newer WiFi RFLink setup which can also control my Ikea lights over 2.4Ghz.
Photo: (https://goo.gl/photos/Npyrs4bjzw7nMYyn8)
https://goo.gl/photos/Npyrs4bjzw7nMYyn8
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I add the Kerui P829 motion sensor to the list ($11,88):
In normal operation you can set it up to report movement repetitively every 5 seconds or 5 minutes (will report movement immediately, but then wait 5s or 5m until re-reporting movement).
it will blink red every 3s as soon as the power pass under 2.4V and send a low voltage signal.
It also send a signal when the battery cover is opened.
You can also deactivated the red led that illuminate the detector when movement is detected. It’s not so important for alarm but can be useful for home-automation (you can see that led ON on the first photo in the following album)
Keriu P829 user manual and photo
Another important precision: the sensor is pet immune.
The cheap remote control that can be found on Aliexpress for ~3$ also works great:
They are programmable, you can set the code transmitted by each button by making the remote learn an emitted code (I’ve used the gateway to send a code and teach it to the remote)
Here is a list of the compatible device up to now:
The list is editable if someone else want to add his own device.
Maybe to add a link to it in the first post would help to maintain visibility of the whole topic @Partybug
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i exaclt have thos remotes and only biutton a and b work 
how did u do exaclty?
I suppose that when you press C or D it doesn’t emitt light? If it’s the case they are not programmed yet. Mine came with only one or two button pre-programmed.
Here you go for some explanation:
How can i send a code from the bridge long enough to learn the code for the remote? It seems the code is sent very short
I’m not sure how I did it… maybe I just wrote a small Arduino code that keep sending an RF signal using RCSwitch library example.
And using the gateway should also work, with the default configuration, the gateway repeat each RF code it send, 20 times.
If you try a few time it should end up working 
Thanks. will try this
I have bought the same PIR as you and I’m thinking of buying more of the same kind. Do they all send the same code on motion or is there any way to distinguish them?
Some PIR sensor work, some other not (no coede received from a superetherodine receiver) Both 433MHz …
The one not working is inserted in the working list. How can I trouble shhot?
Does the led light on when making movement in front of it?
Yes it does. I try 2 of the same, and both are not recognised by my sniffer.
A third, other brand, works