1.With outer casing 2.LCD high definition display 3.Support UART 4.Support frequency adjustment 5.Support duty cycle adjustment 6.High precision detection 7.Support power-down memory function 8.1-Channel PWM output 9.Dual Work Mode 10.Knob supports lock function to avoid misoperation 11.Support enable output Parameters: 1.Product name: XY-KPWM PWM Signal Generator; 2.Model: XY-KPWM; 3.Work Voltage:DC 3.3V-30V; 4.Frequency range(Normal mode):1Hz~150KHz; 5.Frequency range(Precise mode):1Hz~15KHz; 6.Frequency accuracy:2%; 7.Duty cycle accuracy:1% at Normal mode; 8.Duty cycle accuracy:0.1% at Precise mode; 9.Duty cycle range:0.00%-100%; 10.Output Current:About 5-30mA; 11.Output amplitude:Same to input voltage; 12.Work Temperature:-40 Celsius~85 Celsius 13.Work Humidity:0%~95%RH; Application: 1.Square wave signal generator, generating square wave signal for experimental development; 2.Used to generate a square wave signal that controls the motor driver; 3.Generate adjustable pulses for use by the MCU; 4.Dimmer; 5.Speed governor; colour:black Material:plastic size:71 x 39mm Package Contents: 3 x Signal generator Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Use steps:1.Connect to power supply;2.Press rotary switch for 10second to switch Normal mode and Precise mode;3.Short press rotary switch to set frequency and change value by rotating switch;4.Press rotary switch for 2second to set duty cycle; 5.Keep press for 5second to lock set parameters; 6.Test;7.Press button 'ON/OFF' to turn on or off PWM output; 8.Remove power and connect load to use module. XY-KPWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels.It is used as a signal source or excitation source for testing.Widely used in production practice and technology.