A 1000 watt on grid inverter is a reliable and efficient option for small-scale solar power generation. Check each product page for other buying options. Build a low cost 12V to 220V (DC-AC) Pure Sine Wave Inverter from scratch! The project is based on the low cost EGS002 SPWM driver board module. 1000W Voltage Converter Transformer: This step up down transformer features 4 AC plugs, including 2 US NEMA 5-15R 3-Pin output sockets, 2 European Shucko output sockets, 1 5V USB port, and 1 Type-C jack. It is built with 2 LED displays showing the current output voltage in real-time to avoid.