RS-232 wireless repeaters

[edmidor]

I'm looking for a way to expand my primarily z-wave based HA system with some not supported sensors. The only problem is that most of devices I need are RS-232 controlled, and I need a way to hook them up, wireless, into my base controller.

Are there any affordable wireless RS-232 repeaters (WiFi or not) so I could "distribute" serial ports over the house?

 

[electron]

Hi edmidor, welcome to CT!

Wireless serial repeaters/bridges exist, but they are usually very expensive. What kind of serial devices are we talking about?

 

[TonyNo]

I have used the $70-100-ish Bluetooth adapters before.

 

[DeLicious]

would it be any cheaper to go from serial to ethernet, then use a wireless gaming bridge?

 

[edmidor]

Hi edmidor, welcome to CT!

Wireless serial repeaters/bridges exist, but they are usually very expensive. What kind of serial devices are we talking about?

Thanks!

I'm thinking about RFID readers, IO relay boards, even ultrasonic sensor - all with RS-232 output

would it be any cheaper to go from serial to ethernet, then use a wireless gaming bridge?

Sure, but how to go from serial to Ethernet?

 

[claymahaffey]

I was just searching out the same thing this morning, so I have a couple of bluetooth options:

Bluetooth Single
Bluetooth Pair

Both sites sell a Bluetooth V2.0 usb dongle that can communicate with one of the devices, but the first link has it for $15 instead of $20 on the second. If you use the dongle, then you only need one BT - RS232 converter for each device. But that's still a $70 investment per point.

I am also looking for a good Serial to 802.11 b/g/n adaptor, but all I can find is 802.11b, which is limited to WEP. Since I'd rather have the semblance of wifi security I'd rather not go that route. The first link (USConverters.com) will have a lot of conversion options that you can consider. Take a look at the RS232 to Ethernet converters. From there you can connect to a wireless gaming bridge as mentioned above.

 

[edmidor]

Thanks.
BT isn't good for me because I want to put things in larger area

On usconverters I see a couple of serial2ethernet for $70-$75...
Need to find out how to say my OpenWRT based HA server to communicate with RS232 over wifi... some kind of virtual port... not sure if it's even possible.

 

[electron]

Maybe in the future you could use the new wireless USB standard and a USB->Serial adapter? If you do find a good solution, please let us know, many of us would be interested.

 

[damage]

how about using an hp t5700 thin client with an edgeport usb-serial adapter. you can communicate between openwrt & devices on the edgeport using xPL or xAP. you may have to write your own code on both ends though.

 

[Rustytek]

If you don't mind a wiring your own you could use two XBee modules. You can use the serial interface out of the box with little configuration and few IC's/resistors. They are fairly cheap (~$25 per node) and are very easy to use.

How ironic would it be to connect to your Z-Wave Controller over Zigbee.

 

[edmidor]

If you don't mind a wiring your own you could use two XBee modules. You can use the serial interface out of the box with little configuration and few IC's/resistors. They are fairly cheap (~$25 per node) and are very easy to use.

How ironic would it be to connect to your Z-Wave Controller over Zigbee.

This sounds interesting... Something like this would do?
http://www.adafruit.com/index.php?main_pag...a88b9158519c10e