The following figure shows a schematic diagram of DC-AC Inverter that Converts 12V DC Voltage to 110/220V AC Voltage. It produces square wave. Though it is a simple one, it is sufficient to power many devices :

DC-AC Inverter, Convert 12V Circuit Diagram to 110 220 AC voltage circuit diagram

DC-AC Inverter, Convert 12V Circuit Diagram to 110 220 AC voltage circuit diagram

The current will flow alternatively in through the primary windings of the transformer since the MOSFET is configured as bridge. The transformer have to be able to handle high current up to 10 A. This make the transformer as the most expensive part of this circuit. This 12V inverter circuit has abilities to power any device up to 120 Watts.

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