Square Wave Frequency PWM Generator 1Hz-150kHz

Product Description:

A versatile, panel-mountable Frequency PWM Generator module designed for applications requiring precise control over pulse frequency and duty cycle. Operating within a voltage range of 3.3V to 30V DC, it delivers a square wave output with frequencies ranging from 1Hz to 150kHz and a duty cycle adjustable from 0% to 100%. The module features a clear LCD display and user-friendly interface, making it ideal for various electronics projects, motor control, and signal testing.

Key Features:

• Output Frequency Range: 1Hz to 150kHz
• Duty Cycle Range: 0% to 100%
• Operating Voltage: 3.3V to 30V DC
• Output Amplitude: Equal to input voltage
• Output Current: 5mA to 30mA
• Display: LCD screen showing frequency and duty cycle
• Control Interface: Four push-buttons for frequency and duty cycle adjustments
• Serial Communication: TTL interface supporting UART commands
• Memory Function: Retains settings after power-off
• Operating Temperature: -20°C to +70°C
• Dimensions: 79mm × 43mm × 37mm
• Panel Cutout Size: 76mm × 40mm

Control Modes:

• Normal Mode: Frequency adjustable from 1Hz to 150kHz with 1% duty cycle steps
• Precise Mode: Frequency adjustable from 1Hz to 15kHz with 0.1% duty cycle steps

Applications:

• Motor speed control
• LED dimming
• Signal generation for microcontroller testing
• Servo control
• Laboratory experiments

Usage Notes:

• The module's output is a square wave PWM signal with amplitude equal to the input voltage.
• Ensure the connected load does not exceed the maximum output current of 30mA.
• For higher current applications, use the PWM signal to drive an external transistor or MOSFET.