5V single supply 4 pin set pure sine wave output frequency: 50Hz or 60Hz fixed frequency Pure sine wave output with frequency adjustable from 0-100Hz and 0-400Hz options Unipolar and bipolar modulation with dead time settings: 300nS, 500nS, 1.0uS, 1.5uS Supports external 12MHz crystal oscillator PWM frequency up to 23.4kHz Real-time processing of temperature, voltage, and current feedback Integrated protection functions: overvoltage, undervoltage, overcurrent, and overheating Soft start response time: 1 second Serial communication interface for output voltage and frequency parameter settings Compatible with external serial port 128x32 liquid crystal display module to show inverter voltage, frequency, temperature, and current LCD options: Standard 128x32 LCD or specialized LCD (sold separately) Driver board variants: - With undervoltage protection + Standard 128x32 LCD - With undervoltage protection + Specialized LCD - Without undervoltage protection + Standard 128x32 LCD - Without undervoltage protection + Specialized LCD Features EG8010 pure sine wave inverter chip Designed for single-phase pure sine wave inverter applications Applications: - Photovoltaic inverters - Wind power inverters - Uninterruptible power supply (UPS) systems - Digital generator systems - Single-phase motor speed controllers - Sine wave light dimmers - Sine wave voltage regulators - Sine wave generators Color: Blue Material: Plastic Package Contents: 2 x Pure Sine Wave Driver Board Note: Other items not included. Lighting and display differences may cause slight color variations. Measurement tolerance: +/- 1-3cm.