2-Channel 5V PWM Pulse / Square Wave Generator Module 1Hz-150KHz Frequency

This economical 2-channel PWM pulse / square wave generator provides two pulse / square wave outputs with independent control over each channel's duty cycle and frequency using the straightforward LED display and set/up/down buttons. It can also be programmed through its serial RS-232 interface. Applications include: A square wave generator to generate square wave signals for experimentation and control Driving stepper motors Generating adjustable pulses for microcontroller use Generating adjustable pulses for PWM control of lighting and LEDs Features and Specifications: Operating Voltage: 5-30V, supports MicroUSB 5V input power Frequency Range: 1Hz - 150KHz Frequency Precision: 2% Output Signal Capacity: Up to 30mA output current Output Voltage: Default 5V P-P, can be varied with an external power supply input Ambient Operating Temperature: -30℃ to 70℃ Operating Parameter Settings: The module has 3 control buttons: Set, Up, and Down Short pressing the SET key will step the display