Very cheap wireless Chinese door/motion sensor Plugin

Hi,
first thanks for the micasaverde community for the good help, It’s been a while that i use and arduino with a ethernet and 433Mhz receiver to detect movement in my house. It was okay but every time i want to add a sensor to it, it was a pain in the *** cause i needed to reprogram the arduino with the sensor code and create some scene for the trigger.

Hardware all ebay:
Arduino nano: 10$
Rf 433 Mhz kit: 5$
Motion sensor: 6$
Door sensor: 4$
There also some smoke detector for arround 15$ and some water float for also arround 15$.

The plugin have a parent device that monitor the input of the serial (vera USB) of the arduino. When sensor detect and send something, the code is displayed in the parent device and remember it in the last code variable. if you want to add this device, you just need to go in the configuration device and click add motion or door sensor, it will create a child device witch will be triggered when the right code is detected.

I also add a 1-wire temperature fonction, the arduino detect how much ds18b20 and tell it to the vera then the vera create the number of temperature device that it need (Max of 9 temperature sensor).

I also create a 433Mhz rfid reader for about 30$ for the plugin, let me know if you are interested in

I also add a fonction that will create switch and will send 433Mhz signal to control other relay or other thing.

Here in attachement the plugin and the arduino code if some of you is interested in.
I think it a very good and stable solution but a the vary cheap way since sensor is so cheap. Range is good cause the arduino is at the basement and i have some motion on the second floor that work like a charm.
I will pose some picture of the setup in a near future.

Thanks for sharing.

Have you seen this post?

http://forum.micasaverde.com/index.php/topic,16170.msg123378.html

And this?

http://code.mios.com/trac/mios_arduino-sensor

Yes i saw it, lot of good work, i dont use the same technologie as im so that why i go on my own way. And it so easy with the use of the 433mhz door/Motion sensor. Anyway, if it could help someone that good.
Thanks

Mic, I was thinking of doing exact same thing. But I wanted to use a ready 433MHz like this
[url=http://www.ebay.com/itm/RF-USB-wireless-transmitter-transceiver-module-SX1212-antenna-433MHz-500m-/111054708955?pt=Home_Automation_Controls_Touchscreens&hash=item19db6060db]http://www.ebay.com/itm/RF-USB-wireless-transmitter-transceiver-module-SX1212-antenna-433MHz-500m-/111054708955?pt=Home_Automation_Controls_Touchscreens&hash=item19db6060db[/url]

which Arduino 433MHz module and sensors did you use?

It is a good idea to use the so called Supervised sensors. These types of sensors send their status to the receiver even x minutes. This way, if they are jammed or broken the alarm system can react upon.

I do not see the file attachments?

[quote=“Mic, post:3, topic:177114”]Yes i saw it, lot of good work, i dont use the same technologie as im so that why i go on my own way. And it so easy with the use of the 433mhz door/Motion sensor. Anyway, if it could help someone that good.
Thanks[/quote]

Hi Mic,

I like your idea better. I prefer to use standard 433 devices and link them to Vera through Arduino, rather than having Arduino for every single node. Besides, off the shelf senors are available. Why bother remaking them?

I was thinking to do the same thing. I am happy you did.

If you could interface DSC alarm sensors, that would be a real breakthrough.

One problem with cheap 433MHz sensors is that you cannot pull them. Therefore, if they are disabled or malfunction, our system has no way to detect that. One way is to have the sensor periodically send signals, but that would decrease the battery life.

I’m afraid Mic is no longer around. Not sure though but his last post here is from almost a year ago and his last post ever was on May 15th.