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433 Mhz driver ?

PostPosted: Wed Apr 15, 2015 4:31 am
by Bozz
Hello community.

I'm wondering if anyone looked into a way to drive RF hardware via the ESP.

- A 433MHz Transmitter module
- A 433MHz Receiver module

Like we have the RC-Switch library for the Arduino.
or the '433Utils' lib for the Raspberry.

Re: 433 Mhz driver ?

PostPosted: Wed Apr 15, 2015 5:40 pm
by mikewen
Bozz wrote:Hello community.

I'm wondering if anyone looked into a way to drive RF hardware via the ESP.

- A 433MHz Transmitter module
- A 433MHz Receiver module

Like we have the RC-Switch library for the Arduino.
or the '433Utils' lib for the Raspberry.


I wrote a 433MHz Transmitter module while working on NodeUSB project. I will clean up code and upload to github soon.

Re: 433 Mhz driver ?

PostPosted: Thu Apr 16, 2015 8:33 am
by gerardwr
There's a report that RCSwitch is working on the ESP, here:
http://www.esp8266.com/viewtopic.php?f=27&t=2156&p=13487&hilit=rc+switch#p13468
I can confirm it compiles OK, but have not tested it myself.

I have code working on my ESP to simulate a 433Mhz RF remote (from the Dutch Blokker store) based on an often used 2262 encoder chip. I am using the cheapest transmitter modules ( < $1 on Ebay).

Image

Code is attached for your reference.

sendblokker.txt

Re: 433 Mhz driver ?

PostPosted: Thu Apr 16, 2015 2:59 pm
by Bozz
Tx. I'll check these out.
Nice to see others are using this combo too.
extending the range of the std 433 devices.
could be cheap partial replacement for the rfxcom.