EEVblog #483 - Microcontroller Voltage Inverter Tutorial

How a diode voltage inverter circuit works.
Turns any PWM or clock signal into a low power negative voltage rail.
This can be clocked from a microcontroller, existing DC-DC converter, 555 timer etc.

Voltage Doubler Video: http://www.youtube.com/watch?v=I4ED_8cuVTU

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