[OZAPRS] GPSiiLCD DC Power Supply

[Richter, Mike W]

The easy way to build a switching regulator is to buy Mobile Phone
Cigarettelighter Charger for $5.

They all contain an MC34063 switching regulator circuit ready built that
can usually feed up to 500mA. Change one resistor so you get the output
voltage you want.

Mike VK2BMM
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