gate mod board for phonic taxidermist from circuitbenders
follow instructions for main board build from circuitbendersUK. use a 9v regulator or wirejumper for the optional reg. the mainboard LED and LED resistor are not needed--the mod board LED will replace it.
then install components on mod board before wiring.
refer to wiring diagram PNG
lower=1 low=2 high=3 higher=4