Note: This product does not provide source program, schematic diagram and related documents. 1. Product model: YF-6 2: Frequency range: 1HZ~100KHZ adjustable by potentiometer knob 3: duty cycle range: 0-100% adjustable by potentiometer knob 4: Power supply: DC 3.3V~20V universal 5:PWM Amplitude = Input Voltage 6: Output PWM Driving Capability: Output Triode S8050 Driver 7: No decimal point; HZ as a unit; KHZ as a unit when there are decimal points; automatic conversion; no need for human adjustment