Wide Voltage Signal Generator 1Hz-150KHz Pulse Frequency 0-100% Duty Cycle Adjustable Module PWM DUTY Variable Signal Generator

Features:
5-bit high brightness digital tube display, you can see the working frequency and duty clearly.
Equipped with input anti-reverse connection protections function, safety to use.
Rotation knob design, smooth and comfortable, easy to adjust the working frequency and duty.
Frequency adjustable design, with 1Hz-150KHz frequency adjustable ranges.
Duty cycle adjustable design, 0-100% adjustable ranges, 0.1% adjustable within 15KHz frequency; 1% adjustable above 15KHz frequency.
Support serial communication (serial board is required you need prepare it by yourself, serial communication protocol is provided).