Inspired by a project featured here on Hack-a-Day, [arthurb] bought himself a PIC 24F and started experimenting once he learned the ins and outs of programming the chip. Using a breadboard and a ne… ...

Most of the PIC family require a 12V programming level, and this setup makes that possible. The sets of NPN transistors shown in the schematic fragment above are arranged in darlington pairs.

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