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I've re drawn the circuit to make it clearer.
Please check this re drawn circuit with Dave Johnson's one shot circuit. I have gone over it a few times, but I can make mistakes. I recomend you redraw it on squared paper to familiarise your self with the circuit If you want the copper side layout just reverse it in the computer.
Note the slide switch and the change over switch diagrams must not be read as being on vero board. The components and required wiring is soldered to the switch. M and M2 represent the motor conections and the led is optional to show the power is on. I recomend a 2 amp fuse be fitted to the one of the motor leads. I prefer to use a short external fuse holder with the screw top. These are fitted to both Focus and platform control
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