XBee querues.

hello fren,
ho do we control multiple relays using XBee, for remote control applications.
Can we do this with out the interface of external microcontroller?
how?

As the XBees - except the new programmable ones - have no logic, you need at least an input (PC, µC or else) to tell the radio modules how/ when to act. XBees have both digital and analog inputs as well as digital outputs (no PWM yet).
For example you can interact with Processing and a connected XBee to your PC and a whole network of other XBees which are standalone.

You can learn a lot in the new book "Building Wireless Sensor Networks" by Robert Faludi.

markbee

using X-CTU software for Xbee programming can we built a remote control (relay control).
withot using external microcontroller.

help
??

using X-CTU software for Xbee programming can we built a remote control (relay control).
withot using external microcontroller.

How does this question differ from the one you asked in your initial post?

No was the answer you got to that question. It's the same answer to this question. The XBee is a radio. It can collect data from a digital pin (that something external sets HIGH or LOW) and send that data. It can set a digital pin HIGH or LOW to match the value it receives.

But, somewhere there must be something that causes some XBee to send some data in the first place.