Is there any way to make the pins return low upon loss of communication with the base and remote?

XBee & XBee Gateway XBee - 802.15.4
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1

Hi,
I have two Xbee series 1 (XB24-AWI-001). I am using digital pins 0-4 defaulting low (‘4’) on my base/receiver and defaulting low (‘3’) on the remote.
The problem I am having is that when the remote goes out of range during transmission the pin stays high on the base as if I were still pressing the button. This is bad as the for buttons/pins control a 30 foot aerial auger in left, right, up, and down. Once I move the remote back in range and reestablish communication the pin returns low. I have added pull-down resistors and still have the same problem.

Is there any way to make the pins return low upon loss of communication with the base and remote?

Thanks, if anyone needs more information on my setup let me know. I can link or upload my xml files from XCTU and I also have a Fritzing diagram of my setups.

2

You can try setting the TO commands for the associated DIO lines but that is about it.

3

You may even want to try using a sample rate instead of the change detect with the TO function.

4

Thanks guys, I’ll try those suggestions and post back.