Description:OOTDTY Signal generator is a device that provides electrical signals of different frequencies, square wave and output levels. It is used as a signal source or excitation source for testing. Widely used in manufacturing practice and technology. Features:With external housingHigh-resolution LCD displaySupport UART supportSupport frequency regulationSupport duty cycle adjustmentHigh-precision detectionSupport memory shutdown function1-channel PWM outputFrequency set range:Enter the setting interface after short pressing any FREQ+ or FREQ-button in normal working state to select the frequency range. Automatically switch frequency range. Note the position where the decimal point moves when the button is pressed. View XXX. Without the decimal point, the minimum frequency is 1Hz. The frequency range is 1Hz - 999Hz.Display x. XX. The decimal point is the penultimate one, the minimum frequency is 0.01KHz. The frequency range is 1.00KHz - 9.99KHz.Display XX.X. the decimal point is the third last, the minimum frequency is 0.1KHz. The frequency range is 10.0KHz - 99.9KHz. Display x. x. x. the decimal point is fully lit, the minimum frequency is 1KHz. The frequency range is 1KHz - 150KHz.Na example:100 display means the PWM output frequency is 100Hz; The display 1.01 means the PWM output frequency is 1.01KHz; 54.1 display means 54.1KHz PWM output frequency; 1.2.4 display means 124KHz PWM output frequency; Duty cycle setting range: Enter the setting interface after short pressing any DUTY+ or DUTY-in normal working state to select the duty cycle. Automatically switch frequency range. The duty cycle range is 0.00%-. Use Steps:Connect to power; Short or long FREQ+ or FREQ-to set the frequency; Short or long napa DUTY+ or DUTY- to set the duty cycleConnect to the load. UART Communication and Parameter Settings: The system supports UART data transfer and parameter setting (TTL level) functions; UART: 9600, 8, 11. Set PWM Frequency:F101: the set frequency is 101Hz.101 can replace 001 - 999; F1.05: the set frequency is 1.05KHz.1.05 can replace 1.00 - 9.99; F10.5: the set frequency is 10.5KHz.10.5 can replace 10.0 - 99.9; F1.0.5: the set frequency is 105KHz.1.0.5 can replace 1.0.0 - 1.5.0;2. Set PWM duty cycle:DXXX: the duty cycle set is XXX. XXX can be 000-100.Na example: D051 means the PWN duty cycle is set to 51%.3. Read set parameter:Send read and then get parameter.4. Value :P Pivot Down: Set success. Return drop: set the error. 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 controller;3. Generate adjustable pulses for use by MCU;4. Dimmer;5. Speed controller; Note: This is a 1-channel PWM output signals are the same. Cannot be adjusted independently. Specification:Product Name: PWM Signal Generator Working Voltage: DC 3.3V-30V Frequency Range: 1Hz - 150KHz Frequency Accuracy: 2% Duty Cycle Range: 0.00%- Output Current: About 5-30mAAoutput Temperature: Same as Input Voltage Working Temperature: -20°C - 70°C Material: Plastic Color: Black Size: Application. 78x26x42mm / 3.07x1.02 x 1.65inQuantity: 1pcNote:Transition: 1cm=10mm=0.39inchNo retail package. Please allow 1-2cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 x PWM Signal Generator (Other accessories demo in the picture are not included.)