Features： 1、Automation: The frequency value of the signal generator is divided into 4 ranges, automatic switching, high accuracy, and all parameters will be automatically saved after setting, so it will not be lost when power is off. 2、Prevent Misoperation: The signal generator has a locking function to prevent misoperation and ensure that the value you set will not be easily changed. 3、LCD Display Screen: The signal generator has an LCD display, which shows the frequency and duty cycle value, and the reading is very convenient. 4、Strong Function: The signal generator has a PWM output function, the frequency and duty cycle can be set separately through buttons, and supports serial communication. 5、Wide Application: The signal generator can be used as a square wave signal generator for experimental development and motor driver, and can also be used as an adjustable pulse generator for MCU, control related circuits. Specification： Item Type: Signal Generator Material: ABS Working Environment Temperature: -20-70℃ Working Voltage Range: DC 3.3V-30V Frequency Range: 1Hz-150kHz Output Current: 5-30mA Duty Cycle Range: 0-100% Package List： 1 x Signal Generator