1/10 Caterpillar D8T Build (3D Printed)

[Orange RC Works]

Originally Posted by ddmckee54

Have you checked the Arduino forums? Odds are good that somebody has already posted a How-to on how to do it.

I did, but unfortunately, i got confused even more, i guess electronics is not really my thing lol.... but i was able to do it, using a servo plugged in to the throttle channel with a wye harness, then a cam disc pushing a limit switch to turn on and off a piezo intermittent alarm powered thru a spare channel of the receiver.