This circuit is an Unusual Inverter with Staistep output waveform that convert 12V or 24V DC into 220V AC. Maximum output power is less than 240W.
Sinewave after using low pass LC filter:
Parts list:
IC NE555
IC CD4017(2pcs)
IC 7812
Optocoupler PC817 (6pcs)
MOSFET IRFZ44n (6pcs)
Diode 10A10 (4pcs)
Diode 1N4148 (8pcs)
Capacitor 2200uF 10V (4pcs)
Capacitor 680uF 16V
Capacitor 100nF (4pcs)
Capacitor 100nF 400V (2pcs)
Capacitor 1uF 400V
Inductor 100uH
Resistor 10K (8pcs)
Resistor 1K (6pcs)
Resistor 100 ohm (6pcs)
Resistor 10 ohm (2pcs)
Switch
IC Socket 8dip
IC Socket 16dip (2pcs)
Center taped transformer (for 4 x 6v batteries use 18-0-18 and for 4 x 3.7v batteries use 9-0-9)
Battery Cable
Circuit:
You can order this PCB from PCBWay:
https://www.pcbway.com/project/shareproject/12V_to_220V_Inverter_7ebb6e48.html
Video:
