Friday 8 April 2011

Drilling holes

Dismantled the lunch box, in preparation for the cooling hole I need to drill, as well as the hole for the power switch. Here are the dowel supports that were epoxy'ed and are still rock solid in the base.


On another note, I have tested all the voltages for the power switch LED idea, and revised my circuit diagram accordingly.

So note the protection diodes to stop the 12v overloading other lines (in case my electronics is not up to scratch). Also, added resistance to the first transistor of the darlington pair to try step down the voltage as to not over power the signal to the base. I will add more if 2K is not enough.

Now I just need the time to solder it all together.

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