Take a look at these guys....just found them a few minutes ago... = http://www.integration.com = = Looks interesting. Single chip...fsk...add a 10MHz xtal and antenna. Ca= n run from a micro or EEPROM and has wake on change switch inputs. = No idea on costs tho Marcel Duchamp wrote: Alexandre Guimar=E3es wrote: > Hi, > = > I have a new project where I will need to make a wireless link between a = > few devices around a 20 meters perimeter. The protocol can be a simple = > master/slave protocol and should not be a problem to code. The hard time = I = > am having is selecting a wireless chip that I can make to work with littl= e = > RF knowledge and that I can buy easily in small quantities. Data speed is = > also not a big problem as I can live quite well with 19200 bps troughput. > = > So far the best option I have found is the Nordic NrF240L01.. Can you = > guys point me to some other inexpensive and easy to interface parts ? > = > Best regards, > Alexandre Guimaraes > = I did a one-way link with stuff from: http://www.radiotronix.com/ Mouser carries it. xmitter: RCT-433-UTR about US$3.23 rx: RCR-433-RPR, US$3.07 I think these only do up to 4800 but they have others... -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist = --------------------------------- Luggage? GPS? Comic books? = Check out fitting gifts for grads at Yahoo! Search. -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist