I came across this and on paper looks like a good idea. I was wondering if it would damage my receiver when plugged into an auxiliary port. Has anyone used one of these? Is it worth plugging in?
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As long as you're using a 4.8V battery pack then it would be fine. Its not going to be accurate for a 6V pack though which is what most of us use for RX pcks.
They are a accurate on 6v aslong as you set the switch to 6v