Circuit Project Electronic

This is circuit 300W Inverter power,so input battery 24V to Output 220Vac 50Hz 300W.
I used main Component IC CD4027 , NE555,CA3130 and LM7805. The transistor power MJ15003 driver transformer 24V 10A min. View Circuit
The VR1 - 100K is control Frequency output at 50Hz 50Hz or 60Hz at Square wave signal.
The VR2 - 50K [...]

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