7mm scale GWR Tubular Signal

Working lights - smd warm white led (warm white leds show a green light through a blue lens as per prototype.

Powered by Tower Pro 9g servo motors controlled via a MERG Servo4 board running a modified Chris White sema4f firmware. The original sema4f has bounce as an option in both directions. I did not feel this to be prototypical and preferred the action of either the Megapoints or GF Controls board.

However by a simple alteration of the firmware, I was able to have the arm bounce on return to Danger and hesitate slightly on moving to Clear in a similar way to the commercial offerings. In fact I prefer it .

Setup was implemented by using Chris Whites utility program which again, is MERG members only.

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