Hello All, For a hobby, my father, friend, and I are building a radio controlled tank. Without getting into to much ancillory info, the problem we are facing appears to be radio frequency interference. Using a radio control transmitter, we are sending a signal to the receiver. That receiver in turn sends information to a switch (specifically a BattleSwitch http://www.dimensionengineering.com/BattleSwitch.htm). That switch completes a circuit to a BBQ pit electric ignitor. We have zero problem with this setup up to this point. The problem occurs after the ignitor starts firing. When that occurs, the other battle switches that we have also connected to the receiver start switching, even though we sent no signal to them from the radio transmitter. When these other switches start operating on their own, we obvious have problems with our system. To attempt to counteract this interferrence, we've tried wrapping the ignitor in aluminum foil as well as thin copper to shield the switches from what we think is causing the source of the stray RF. This has not fixed the problem. My latest theory is that the RF is somehow travelling down the control wire from the ignitor back to the battleswitch, back to the receiver, and then over to the other switches. I'm not the greatest with electricity and RF, but am stuck at this point. Please feel free to speculate or offer any solutions, we're up for trying anything at this point. Also if more info is needed, ask away as this might not be completely clear. From a fun perspective, we've recently taking some video of our "little" contraption and will soon be posting to youtube. It's pretty cool. Anyways, thanks in advance for any help/assistance.